a |
Internally Trimmed |
Precision IC Multiplier |
FEATURES
Pretrimmed to 60.25% max 4-Quadrant Error (AD534L)
All Inputs (X, Y and Z) Differential, High Impedance for [(X1 – X2) (Y1 – Y2)/10 V] + Z2 Transfer Function
Scale-Factor Adjustable to Provide up to X100 Gain Low Noise Design: 90 mV rms, 10 Hz–10 kHz
Low Cost, Monolithic Construction Excellent Long Term Stability
APPLICATIONS
High Quality Analog Signal Processing Differential Ratio and Percentage Computations Algebraic and Trigonometric Function Synthesis Wideband, High-Crest rms-to-dc Conversion
Accurate Voltage Controlled Oscillators and Filters Available in Chip Form
PRODUCT DESCRIPTION
The AD534 is a monolithic laser trimmed four-quadrant multiplier divider having accuracy specifications previously found only in expensive hybrid or modular products. A maximum multiplication error of ±0.25% is guaranteed for the AD534L without any external trimming. Excellent supply rejection, low temperature coefficients and long term stability of the on-chip thin film resistors and buried Zener reference preserve accuracy even under adverse conditions of use. It is the first multiplier to offer fully differential, high impedance operation on all inputs, including the Z-input, a feature which greatly increases its flexibility and ease of use. The scale factor is pretrimmed to the standard value of 10.00 V; by means of an external resistor, this can be reduced to values as low as 3 V.
The wide spectrum of applications and the availability of several grades commend this multiplier as the first choice for all new designs. The AD534J (±1% max error), AD534K (±0.5% max) and AD534L (±0.25% max) are specified for operation over the 0°C to +70°C temperature range. The AD534S (±1% max) and AD534T (±0.5% max) are specified over the extended temperature range, –55°C to +125°C. All grades are available in hermetically sealed TO-100 metal cans and TO-116 ceramic DIP packages. AD534J, K, S and T chips are also available.
PROVIDES GAIN WITH LOW NOISE
The AD534 is the first general purpose multiplier capable of providing gains up to X100, frequently eliminating the need for separate instrumentation amplifiers to precondition the inputs. The AD534 can be very effectively employed as a variable gain differential input amplifier with high common-mode rejection. The gain option is available in all modes, and will be found to simplify the implementation of many function-fitting algorithms
REV. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
AD534
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PIN CONFIGURATIONS |
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TO-100 (H-10A) |
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TO-116 (D-14) |
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Package |
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Package |
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X1 |
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X1 |
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+VS |
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X2 |
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+VS |
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1 |
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14 |
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X2 |
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NC |
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2 |
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13 |
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NC |
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OUT |
SF |
AD534 |
OUT |
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3 |
AD534 |
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SF |
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Z1 |
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TOP VIEW |
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4 |
TOP VIEW |
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(Not To Scale) |
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NC |
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(Not to Scale) |
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Y1 |
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Z1 |
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Y1 |
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NC |
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6 |
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Y2 |
Z2 |
Y2 |
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–V |
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–V |
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S |
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S |
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NC = NO CONNECT |
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LCC (E-20A)
Package
X2 |
X1 |
NC |
S |
NC |
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+V |
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3 |
2 |
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20 |
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NC 4 |
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18 |
OUT |
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NC 5 |
AD534 |
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NC |
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SF 6 |
TOP VIEW |
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Z1 |
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(Not To Scale) |
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NC 7 |
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15 |
NC |
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NC 8 |
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14 |
Z2 |
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9 |
10 |
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Y1 |
Y2 |
NC |
–V |
NC |
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S |
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NC = NO CONNECT
such as those used to generate sine and tangent. The utility of this feature is enhanced by the inherent low noise of the AD534: 90 V, rms (depending on the gain), a factor of 10 lower than previous monolithic multipliers. Drift and feedthrough are also substantially reduced over earlier designs.
UNPRECEDENTED FLEXIBILITY
The precise calibration and differential Z-input provide a degree of flexibility found in no other currently available multiplier. Standard MDSSR functions (multiplication, division, squaring, square-rooting) are easily implemented while the restriction to particular input/output polarities imposed by earlier designs has been eliminated. Signals may be summed into the output, with or without gain and with either a positive or negative sense. Many new modes based on implicit-function synthesis have been made possible, usually requiring only external passive components. The output can be in the form of a current, if desired, facilitating such operations as integration.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 |
World Wide Web Site: http://www.analog.com |
Fax: 781/326-8703 |
© Analog Devices, Inc., 1999 |
AD534–SPECIFICATIONS(@ TA = + 258C, 6VS = 15 V, R ≥ 2 kV)
Model |
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AD534J |
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AD534K |
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AD534L |
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Min |
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Typ |
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Max |
Min |
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Typ |
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Max |
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Typ |
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Max |
Units |
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MULTIPLIER PERFORMANCE |
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( X1 – X2 )(Y1 – Y2 ) |
+ Z2 |
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( X1 – X2 )(Y1 – Y2 ) |
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( X1 – X2 )(Y1 – Y2 ) |
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Transfer Function |
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10 V |
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10 V |
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10 V |
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Total Error1 (–10 V ≤ X, Y ≤ +10 V) |
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±1.5 |
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61.0 |
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± 1.0 |
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60.5 |
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± 0.5 |
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60.25 |
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TA = min to max |
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% |
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Total Error vs. Temperature |
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±0.022 |
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± 0.015 |
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± 0.008 |
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%/°C |
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Scale Factor Error |
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±0.25 |
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± 0.1 |
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± 0.1 |
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(SF = 10.000 V Nominal)2 |
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% |
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Temperature-Coefficient of |
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±0.02 |
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± 0.01 |
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± 0.005 |
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%/°C |
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Scaling Voltage |
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Supply Rejection (± 15 V ± 1 V) |
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±0.01 |
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± 0.01 |
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± 0.01 |
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% |
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Nonlinearity, X (X = 20 V p-p, Y = 10 V) |
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±0.4 |
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± 0.2 |
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60.3 |
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± 0.10 |
60.12 |
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Nonlinearity, Y (Y = 20 V p-p, X = 10 V) |
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±0.2 |
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± 0.1 |
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60.1 |
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± 0.005 |
60.1 |
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Feedthrough3, X (Y Nulled, |
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±0.3 |
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± 0.15 |
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60.3 |
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± 0.05 |
60.12 |
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X = 20 V p-p 50 Hz) |
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% |
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Feedthrough3, Y (X Nulled, |
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±0.01 |
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± 0.01 |
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60.1 |
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± 0.003 |
60.1 |
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Y = 20 V p-p 50 Hz) |
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% |
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Output Offset Voltage |
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±5 |
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630 |
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± 2 |
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615 |
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± 2 |
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610 |
mV |
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Output Offset Voltage Drift |
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200 |
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100 |
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100 |
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µV/°C |
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DYNAMICS |
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Small Signal BW (VOUT = 0.1 rms) |
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1 |
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1 |
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1 |
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MHz |
1% Amplitude Error (CLOAD = 1000 pF) |
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50 |
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50 |
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50 |
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kHz |
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Slew Rate (VOUT 20 p-p) |
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20 |
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20 |
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20 |
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V/µs |
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Settling Time (to 1%, VOUT = 20 V) |
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2 |
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2 |
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2 |
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µs |
NOISE |
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µV/√Hz |
Noise Spectral-Density SF = 10 V |
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0.8 |
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0.8 |
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0.8 |
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SF = 3 V4 |
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0.4 |
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0.4 |
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0.4 |
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µV/√Hz |
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Wideband Noise f = 10 Hz to 5 MHz |
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1 |
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1 |
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1 |
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mV/rms |
f = 10 Hz to 10 kHz |
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90 |
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90 |
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90 |
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µV/rms |
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OUTPUT |
611 |
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611 |
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611 |
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Output Voltage Swing |
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V |
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Output Impedance (f ≤ 1 kHz) |
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0.1 |
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0.1 |
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0.1 |
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Ω |
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Output Short Circuit Current |
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(RL = 0, TA = min to max) |
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30 |
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30 |
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30 |
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mA |
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Amplifier Open Loop Gain (f = 50 Hz) |
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70 |
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70 |
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70 |
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dB |
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INPUT AMPLIFIERS (X, Y and Z)5 |
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±10 |
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± 10 |
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± 10 |
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Signal Voltage Range (Diff. or CM |
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V |
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Operating Diff.) |
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±12 |
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± 12 |
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± 12 |
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V |
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Offset Voltage X, Y |
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±5 |
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620 |
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± 2 |
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610 |
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± 2 |
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610 |
mV |
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Offset Voltage Drift X, Y |
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100 |
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50 |
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50 |
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±10 |
µV/°C |
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Offset Voltage Z |
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±5 |
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630 |
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± 2 |
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615 |
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± 2 |
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mV |
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Offset Voltage Drift Z |
60 |
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200 |
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70 |
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100 |
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70 |
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100 |
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µV/°C |
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CMRR |
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80 |
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90 |
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90 |
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dB |
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Bias Current |
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0.8 |
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2.0 |
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0.8 |
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2.0 |
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0.8 |
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2.0 |
µA |
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Offset Current |
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0.1 |
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0.1 |
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0.05 |
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0.2 |
µA |
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Differential Resistance |
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10 |
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10 |
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10 |
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MΩ |
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DIVIDER PERFORMANCE |
10 V |
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( Z2 − Z1 ) |
+ Y |
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10 V |
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( Z2 − Z1 ) |
+ Y |
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10 V |
( Z2 − Z1 ) |
+ Y |
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Transfer Function (X1 > X2) |
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( X1 − X2 ) |
1 |
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( X1 − X2 ) |
1 |
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( X1 − X2 ) |
1 |
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Total Error1 (X = 10 V, –10 V ≤ Z ≤ +10 V) |
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±0.75 |
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± 0.35 |
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± 0.2 |
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% |
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(X = 1 V, –1 V ≤ Z ≤ +1 V) |
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±2.0 |
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± 1.0 |
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± 0.8 |
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% |
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(0.1 V ≤ X ≤ 10 V, –10 V ≤ Z ≤ 10 V) |
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±2.5 |
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± 1.0 |
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± 0.8 |
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% |
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SQUARE PERFORMANCE |
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( X |
− X |
2 |
)2 |
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( X |
− X |
2 |
)2 |
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( X |
− X |
2 |
)2 |
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Transfer Function |
1 |
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+ Z2 |
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1 |
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+ Z2 |
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1 |
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+ Z2 |
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10 V |
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10 V |
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10 V |
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Total Error (–10 V ≤ X ≤ 10 V) |
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±0.6 |
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± 0.3 |
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± 0.2 |
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% |
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SQUARE-ROOTER PERFORMANCE |
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Transfer Function (Z1 ≤ Z2) |
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10 V ( Z2 − Z1 ) + X2 |
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10 V ( Z2 − Z1 ) + X2 |
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10 V ( Z2 − Z1 ) + X2 |
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Total Error1 (1 V ≤ Z ≤ 10 V) |
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±1.0 |
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± 0.5 |
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± 0.25 |
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% |
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POWER SUPPLY SPECIFICATIONS |
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Supply Voltage |
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±15 |
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± 15 |
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± 15 |
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Rated Performance |
±8 |
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618 |
± 8 |
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618 |
± 8 |
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618 |
V |
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Operating |
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V |
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Supply Current |
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6 |
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6 |
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6 |
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Quiescent |
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4 |
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4 |
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4 |
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mA |
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PACKAGE OPTIONS |
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TO-100 (H-10A) |
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AD534JH |
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AD534KH |
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AD534LH |
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TO-116 (D-14) |
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AD534JD |
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AD534KD |
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AD534LD |
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Chips |
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AD534K Chips |
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NOTES |
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Specifications shown in boldface are tested on all production units at final electrical |
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1Figures given are percent of full scale, ± 10 V (i.e., 0.01% = 1 mV). |
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test. Results from those tests are used to calculate outgoing quality levels. All min and |
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2May be reduced down to 3 V using external resistor between –VS and SF. |
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max specifications are guaranteed, although only those shown in boldface are tested |
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3Irreducible component due to nonlinearity: excludes effect of offsets. |
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on all production units. |
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4Using external resistor adjusted to give SF = 3 V.
5See Functional Block Diagram for definition of sections. Specifications subject to change without notice.
–2– |
REV. B |
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AD534 |
Model |
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AD534S |
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AD534T |
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Min |
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Typ |
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Max |
Min |
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Typ |
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Max |
Units |
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MULTIPLIER PERFORMANCE |
|
( X1 – X2 )(Y1 – Y2 ) |
+ Z2 |
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( X1 – X2 )(Y1 – Y2 ) |
+ Z2 |
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Transfer Function |
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10 V |
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10 V |
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Total Error1 (–10 V ≤ X, Y ≤ +10 V) |
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61.0 |
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±1.0 |
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60.5 |
% |
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TA = min to max |
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62.0 |
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% |
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Total Error vs. Temperature |
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60.02 |
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60.01 |
%/°C |
Scale Factor Error |
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±0.25 |
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±0.1 |
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(SF = 10.000 V Nominal)2 |
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% |
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Temperature-Coefficient of |
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±0.02 |
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60.005 |
%/°C |
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Scaling Voltage |
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Supply Rejection (±15 V ± 1 V) |
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±0.01 |
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±0.01 |
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% |
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Nonlinearity, X (X = 20 V p-p, Y = 10 V) |
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±0.4 |
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±0.2 |
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60.3 |
% |
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Nonlinearity, Y (Y = 20 V p-p, X = 10 V) |
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±0.2 |
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±0.1 |
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60.1 |
% |
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Feedthrough3, X (Y Nulled, |
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±0.3 |
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±0.15 |
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60.3 |
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X = 20 V p-p 50 Hz) |
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% |
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Feedthrough3, Y (X Nulled, |
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±0.01 |
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±0.01 |
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60.1 |
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||||
Y = 20 V p-p 50 Hz) |
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±30 |
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% |
|||||||
Output Offset Voltage |
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±5 |
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±2 |
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615 |
mV |
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Output Offset Voltage Drift |
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500 |
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300 |
µV/°C |
DYNAMICS |
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Small Signal BW (VOUT = 0.1 rms) |
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1 |
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1 |
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MHz |
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1% Amplitude Error (CLOAD = 1000 pF) |
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50 |
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50 |
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kHz |
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Slew Rate (VOUT 20 p-p) |
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20 |
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20 |
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V/µs |
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Settling Time (to 1%, VOUT = 20 V) |
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2 |
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2 |
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µs |
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NOISE |
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µV/√Hz |
Noise Spectral-Density SF = 10 V |
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0.8 |
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0.8 |
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SF = 3 V4 |
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0.4 |
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0.4 |
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µV/√Hz |
||
Wideband Noise f = 10 Hz to 5 MHz |
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1.0 |
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1.0 |
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mV/rms |
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f = 10 Hz to 10 kHz |
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90 |
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90 |
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µV/rms |
||
OUTPUT |
±11 |
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±11 |
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Output Voltage Swing |
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V |
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Output Impedance (f ≤ 1 kHz) |
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0.1 |
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0.1 |
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Ω |
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Output Short Circuit Current |
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(RL = 0, TA = min to max) |
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30 |
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30 |
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mA |
||
Amplifier Open Loop Gain (f = 50 Hz) |
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70 |
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70 |
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dB |
||
INPUT AMPLIFIERS (X, Y and Z)5 |
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±10 |
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±10 |
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Signal Voltage Range (Diff. or CM |
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V |
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Operating Diff.) |
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±12 |
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±12 |
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V |
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Offset Voltage X, Y |
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±5 |
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620 |
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±2 |
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610 |
mV |
||
Offset Voltage Drift X, Y |
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100 |
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150 |
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µV/°C |
||
Offset Voltage Z |
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±5 |
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630 |
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±2 |
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615 |
mV |
||
Offset Voltage Drift Z |
60 |
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500 |
70 |
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300 |
µV/°C |
||
CMRR |
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80 |
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90 |
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dB |
||||||
Bias Current |
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0.8 |
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2.0 |
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0.8 |
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2.0 |
µA |
||
Offset Current |
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0.1 |
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0.1 |
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µA |
||
Differential Resistance |
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10 |
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10 |
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MΩ |
||
DIVIDER PERFORMANCE |
10 V |
|
( Z2 − Z1 ) |
+ Y |
|
10 V |
|
( Z2 − Z1 ) |
+ Y |
|
|
||||||||||||
Transfer Function (X1 > X2) |
|
|
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( X1 − X2 ) |
1 |
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( X1 − X2 ) |
1 |
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||||||||||
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||||||||||
Total Error1 (X = 10 V, –10 V ≤ Z ≤ +10 V) |
|
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±0.75 |
|
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±0.35 |
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% |
||||
(X = 1 V, –1 V ≤ Z ≤ +1 V) |
|
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±2.0 |
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±1.0 |
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% |
||||
(0.1 V ≤ X ≤ 10 V, –10 V ≤ Z ≤ 10 V) |
|
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±2.5 |
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±1.0 |
|
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|
% |
||||
SQUARE PERFORMANCE |
|
( X |
− X |
2 |
)2 |
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( X |
− X |
2 |
)2 |
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||
Transfer Function |
1 |
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+ Z2 |
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1 |
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+ Z2 |
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||||||
|
10 V |
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10 V |
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|||||||||
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||||||
Total Error (–10 V ≤ X ≤ 10 V) |
|
|
|
|
|
±0.6 |
|
|
|
|
|
|
|
|
±0.3 |
|
|
|
% |
||||
SQUARE-ROOTER PERFORMANCE |
|
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Transfer Function (Z1 ≤ Z2) |
|
10 V ( Z2 − Z1 ) + X2 |
|
|
10 V ( Z2 − Z1 ) + X2 |
|
|
||||||||||||||||
Total Error1 (1 V ≤ Z ≤ 10 V) |
|
|
|
|
|
±1.0 |
|
|
|
|
|
|
|
|
±0.5 |
|
|
|
% |
||||
POWER SUPPLY SPECIFICATIONS |
|
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Supply Voltage |
|
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|
±15 |
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|
|
±15 |
|
|
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|
||
Rated Performance |
±8 |
|
|
|
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|
|
622 |
±8 |
|
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|
622 |
V |
||||||
Operating |
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|
V |
||||||
Supply Current |
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6 |
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6 |
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Quiescent |
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4 |
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4 |
|
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|
mA |
||||
PACKAGE OPTIONS |
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|
TO-100 (H-10A) |
|
AD534SH |
|
|
|
|
AD534TH |
|
|
|
|
||||||||||||
TO-116 (D-14) |
|
AD534SD |
|
|
|
|
AD534TD |
|
|
|
|
||||||||||||
E-20A |
|
AD534SE |
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|
||||||
Chips |
|
AD534S Chips |
|
|
AD534T Chips |
|
|
NOTES
1Figures given are percent of full scale, ± 10 V (i.e., 0.01% = 1 mV). 2May be reduced down to 3 V using external resistor between –VS and SF. 3Irreducible component due to nonlinearity: excludes effect of offsets. 4Using external resistor adjusted to give SF = 3 V.
5See Functional Block Diagram for definition of sections.
Specifications subject to change without notice.
Specifications shown in boldface are tested on all production units at final electrical test. Results from those tests are used to calculate outgoing quality levels. All min and max specifications are guaranteed, although only those shown in boldface are tested on all production units.
REV. B |
–3– |
AD534
CHIP DIMENSIONS AND BONDING DIAGRAM
Dimensions shown in inches and (mm). Contact factory for latest dimensions.
|
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|
|
X1 |
+VS |
OUT |
|||||||||
X2 |
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||||
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||||
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0.076 |
|||||
SF |
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|
(1.93) |
||||||||
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||||||||
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Z 1 |
|||
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Y1
Y2 |
–V |
Z 2 |
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S |
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0.100 (2.54) THE AD534 IS AVAILABLE IN LASER - TRIMMED CHIP FORM
Thermal Characteristics
Thermal Resistance θJC = 25°C/W for H-10A
θJA = 150°C/W for H-10A
θJC = 25°C/W for D-14 or E-20A θJA = 95°C/W for D-14 or E-20A
ABSOLUTE MAXIMUM RATINGS
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AD534J, K, L |
AD534S, T |
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Supply Voltage |
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±18 V |
±22 V |
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Internal Power Dissipation |
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500 mW |
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Output Short-Circuit to Ground |
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Indefinite |
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Input Voltages, X1 X2 Y1 Y2 Z1 Z2 |
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±VS |
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Rated Operating Temperature Range |
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0°C to +70°C |
–55°C to |
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–65°C to +150°C |
+125°C |
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Storage Temperature Range |
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Lead Temperature Range, 60 s Soldering |
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+300°C |
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*Same as AD534J Specs. |
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+VS |
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50kV |
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470kV |
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TO APPROPRIATE |
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INPUT TERMINAL |
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1kV |
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–V |
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S |
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Figure 1. Optional Trimming Configuration
ORDERING GUIDE
Model |
Temperature Range |
Package Description |
Package Option |
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AD534JD |
0°C to +70°C |
Side Brazed DIP |
D-14 |
AD534KD |
0°C to +70°C |
Side Brazed DIP |
D-14 |
AD534LD |
0°C to +70°C |
Side Brazed DIP |
D-14 |
AD534JH |
0°C to +70°C |
Header |
H-10A |
AD534JH/+ |
0°C to +70°C |
Header |
H-10A |
AD534KH |
0°C to +70°C |
Header |
H-10A |
AD534KH/+ |
0°C to +70°C |
Header |
H-10A |
AD534LH |
0°C to +70°C |
Header |
H-10A |
AD534K Chip |
0°C to +70°C |
Chip |
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AD534SD |
–55°C to +125°C |
Side Brazed DIP |
D-14 |
AD534SD/883B |
–55°C to +125°C |
Side Brazed DIP |
D-14 |
AD534TD |
–55°C to +125°C |
Side Brazed DIP |
D-14 |
AD534TD/883B |
–55°C to +125°C |
Side Brazed DIP |
D-14 |
JM38510/13902BCA |
–55°C to +125°C |
Side Brazed DIP |
D-14 |
JM38510/13901BCA |
–55°C to +125°C |
Side Brazed DIP |
D-14 |
AD534SE |
–55°C to +125°C |
LCC |
E-20A |
AD534SE/883B |
–55°C to +125°C |
LCC |
E-20A |
AD534TE/883B |
–55°C to +125°C |
LCC |
E-20A |
AD534SH |
–55°C to +125°C |
Header |
H-10A |
AD534SH/883B |
–55°C to +125°C |
Header |
H-10A |
AD534TH |
–55°C to +125°C |
Header |
H-10A |
AD534TH/883B |
–55°C to +125°C |
Header |
H-10A |
JM38510/13902BIA |
–55°C to +125°C |
Header |
H-10A |
JM38510/13901BIA |
–55°C to +125°C |
Header |
H-10A |
AD534S Chip |
–55°C to +125°C |
Chip |
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AD534T Chip |
–55°C to +125°C |
Chip |
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CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD534 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality.
WARNING! |
ESD SENSITIVE DEVICE |
–4– |
REV. B |