TLV5604 2.7-V TO 5.5-V 10-BIT 3-μS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS
WITH POWER DOWN
SLAS176A ± DECEMBER 1997 ± REVISED SEPTEMBER 1998
DFour 10-Bit D/A Converters
DProgrammable Settling Time of 3 ms or 9 ms Typ
DTMS320, (Q)SPI, and Microwire Compatible Serial Interface
DInternal Power-On Reset
DLow Power Consumption:
5.5 mW, Slow Mode ± 5-V Supply
3.3 mW, Slow Mode ± 3-V Supply
DReference Input Buffers
DVoltage Output Range . . . 2 × the Reference
Input Voltage
DMonotonic Over Temperature
DDual 2.7-V to 5.5-V Supply (Separate Digital and Analog Supplies)
description
The TLV5604 is a quadruple 10-bit voltage output digital-to-analog converter (DAC) with a flexible 4-wire serial interface. The 4-wire serial interface allows glueless interface to TMS320, SPI, QSPI, and Microwire serial ports. The TLV5604 is programmed with a 16-bit serial word comprised of a DAC address, individual DAC control bits, and a 10-bit DAC value.
DHardware Power Down (10 nA)
DSoftware Power Down (10 nA)
DSimultaneous Update
applications
DBattery Powered Test Instruments
DDigital Offset and Gain Adjustment
DIndustrial Process Controls
DMachine and Motion Control Devices
DCommunications
DArbitrary Waveform Generation
D OR PW PACKAGE
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DVDD |
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AVDD |
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PD |
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REFINAB |
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LDAC |
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OUTA |
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DIN |
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OUTB |
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SCLK |
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OUTC |
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CS |
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OUTD |
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FS |
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REFINCD |
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DGND |
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AGND |
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The device has provision for two supplies: one digital supply for the serial interface (via pins DVDD and DGND), and one for the DACs, reference buffers and output buffers (via pins AVDD and AGND). Each supply is independent of the other, and can be any value between 2.7 V and 5.5 V. The dual supplies allow a typical application where the DAC will be controlled via a microprocessor operating on a 3-V supply (also used on pins DVDD and DGND), with the DACs operating on a 5-V supply. Of course, the digital and analog supplies can be tied together.
The resistor string output voltage is buffered by a x2 gain rail-to-rail output buffer. The buffer features a Class AB output stage to improve stability and reduce settling time. A rail-to-rail output stage and a power-down mode makes it ideal for single voltage, battery based applications. The settling time of the DAC is programmable to allow the designer to optimize speed versus power dissipation. The settling time is chosen by the control bits within the 16-bit serial input string. A high-impedance buffer is integrated on the REFINAB and REFINCD terminals to reduce the need for a low source impedance drive to the terminal. REFINAB and REFINCD allow DACs A and B to have a different reference voltage then DACs C and D.
The device, implemented with a CMOS process, is available in 16-terminal SOIC and TSSOP packages. The TLV5604C is characterized for operation from 0°C to 70°C. The TLV5604I is characterized for operation from ±40°C to 85°C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
Copyright 1998, Texas Instruments Incorporated
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
1 |
TLV5604
2.7-V TO 5.5-V 10-BIT 3-μS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS
WITH POWER DOWN
SLAS176A ± DECEMBER 1997 ± REVISED SEPTEMBER 1998
AVAILABLE OPTIONS
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PACKAGE |
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TA |
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SOIC |
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TSSOP |
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(D) |
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(PW) |
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0°C to 70°C |
TLV5604CD |
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TLV5604CPW |
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± 40°C to 85°C |
TLV5604ID |
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TLV5604IPW |
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functional block diagram |
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AVDD |
DVDD |
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15 |
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1 |
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REFINAB |
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DAC A |
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+ |
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Power-On |
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x2 |
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Reset |
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OUTA |
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10 |
10-Bit |
10 |
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DAC |
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Serial |
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14-Bit |
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Latch |
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DIN |
Input |
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Data |
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Control |
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2-Bit |
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Register |
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Control |
2 |
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Data |
Power Down/ |
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7 |
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Latch |
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FS |
DAC |
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Speed Control |
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SCLK |
Select/ |
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Control |
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CS |
Logic |
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DAC B |
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OUTB |
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DAC C |
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OUTC |
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REFINCD |
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DAC D |
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OUTD |
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3 |
2 |
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AGND |
DGND |
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LDAC |
PD |
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2 |
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
TLV5604 2.7-V TO 5.5-V 10-BIT 3-μS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS
WITH POWER DOWN
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SLAS176A ± DECEMBER 1997 ± REVISED SEPTEMBER 1998 |
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Terminal Functions |
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TERMINAL |
I/O |
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DESCRIPTION |
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NAME |
NO. |
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AGND |
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Analog ground |
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AVDD |
16 |
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Analog supply |
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I |
Chip select. This terminal is active low. |
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CS |
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DGND |
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Digital ground |
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DIN |
4 |
I |
Serial data input |
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DVDD |
1 |
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Digital supply |
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FS |
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I |
Frame sync input. The falling edge of the frame sync pulse indicates the start of a serial data frame shifted out |
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to the TLV5604. |
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2 |
I |
Power-down pin. Powers down all DACs (overriding their individual power down settings), and all output stages. |
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PD |
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This terminal is active low. |
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3 |
I |
Load DAC. When the |
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signal is high, no DAC output updates occur when the input digital data is read into |
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LDAC |
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LDAC |
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the serial interface. The DAC outputs are only updated when LDAC is low. |
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REFINAB |
15 |
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Voltage reference input for DACs A and B. |
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REFINCD |
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Voltage reference input for DACs C and D. |
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SCLK |
5 |
I |
Serial Clock input |
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OUTA |
14 |
O |
DAC A output |
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OUTB |
13 |
O |
DAC B output |
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OUTC |
12 |
O |
DAC C output |
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OUTD |
11 |
O |
DAC D output |
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absolute maximum ratings over operating free-air temperature range (unless otherwise noted)²
Supply voltage, (DVDD, AVDD to GND) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . . . . . . . . . . . 7 |
V |
Supply voltage difference, (AVDD to DVDD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . ±2.8 V to 2.8 |
V |
Digital input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
±0.3 V to DVDD + 0.3 |
V |
Reference input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
±0.3 V to AVDD + 0.3 |
V |
Operating free-air temperature range, TA: TLV5604C . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . . . 0°C to 70°C |
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TLV5604I . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . ±40°C to 85°C |
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Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . ±65°C to 150°C |
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Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . |
. . . . . . . . . . . . . . 260°C |
²Stresses beyond those listed under ªabsolute maximum ratingsº may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under ªrecommended operating conditionsº is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
3 |
TLV5604
2.7-V TO 5.5-V 10-BIT 3-μS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS
WITH POWER DOWN
SLAS176A ± DECEMBER 1997 ± REVISED SEPTEMBER 1998
recommended operating conditions
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NOM |
MAX |
UNIT |
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Supply voltage, AVDD, DVDD |
5-V supply |
4.5 |
5 |
5.5 |
V |
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3-V supply |
2.7 |
3 |
3.3 |
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High-level digital input, VIH |
DVDD = 2.7 V to 5.5 V |
2 |
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V |
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Low-level digital input, VIL |
DVDD = 2.7 V to 5.5 V |
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0.8 |
V |
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Reference voltage, Vref to REFINAB, REFINCD terminal |
5-V supply (see Note 1) |
0 |
2.048 |
AVDD±1.5 |
V |
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3-V supply (see Note 1) |
0 |
1.024 |
AVDD±1.5 |
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Load resistance, RL |
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10 |
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kW |
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Load capacitance, CL |
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Serial clock rate, SCLK |
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MHz |
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Operating free-air temperature |
TLV5604C |
0 |
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°C |
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TLV5604I |
±40 |
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NOTE 1: Voltages greater than AVDD/2 will cause output saturation for large DAC codes.
electrical characteristics over recommended operating free-air temperature range (unless otherwise noted)
static DAC specifications
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PARAMETER |
TEST CONDITIONS |
MIN TYP |
MAX |
UNIT |
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Resolution |
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10 |
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Integral nonlinearity (INL), end point adjusted |
See Note 2 |
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LSB |
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Differential nonlinearity (DNL) |
See Note 3 |
±0.1 |
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LSB |
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EZS |
Zero scale error (offset error at zero scale) |
See Note 4 |
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mV |
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Zero scale error temperature coefficient |
See Note 5 |
10 |
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ppm/°C |
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EG |
Gain error |
See Note 6 |
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%of FS |
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Gain error temperature coefficient |
See Note 7 |
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ppm/°C |
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PSRR |
Power supply rejection ratio |
Zero scale gain |
See Notes 8 and 9 |
± 80 |
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Gain |
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NOTES: 2. The relative accuracy or integral nonlinearity (INL) sometimes referred to as linearity error, is the maximum deviation of the output from the line between zero and full scale excluding the effects of zero code and full-scale errors.
3.The differential nonlinearity (DNL) sometimes referred to as differential error, is the difference between the measured and ideal
1 LSB amplitude change of any two adjacent codes. Monotonic means the output voltage changes in the same direction (or remains constant) as a change in the digital input code.
4.Zero-scale error is the deviation from zero voltage output when the digital input code is zero.
5.Zero-scale-error temperature coefficient is given by: EZS TC = [EZS (Tmax) ± EZS (Tmin)]/Vref × 106/(Tmax ± Tmin).
6.Gain error is the deviation from the ideal output (2Vref ± 1 LSB) with an output load of 10 kW excluding the effects of the zero-error.
7.Gain temperature coefficient is given by: EG TC = [EG(Tmax) ± EG (Tmin)]/Vref × 106/(Tmax ± Tmin).
8.Zero-scale-error rejection ratio (EZS±RR) is measured by varying the AVDD from 5 ±0.5 V and 3 ±0.5 V dc, and measuring the proportion of this signal imposed on the zero-code output voltage.
9.Gain-error rejection ratio (EG-RR) is measured by varying the AVDD from 5 ±0.5 V and 3 ±0.5 V dc and measuring the proportion of this signal imposed on the full-scale output voltage after subtracting the zero scale change.
4 |
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
TLV5604 2.7-V TO 5.5-V 10-BIT 3-μS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS
WITH POWER DOWN
SLAS176A ± DECEMBER 1997 ± REVISED SEPTEMBER 1998
electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (continued)
individual DAC output specifications
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PARAMETER |
TEST CONDITIONS |
MIN |
TYP |
MAX |
UNIT |
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VO |
Voltage output |
RL = 10 kΩ |
0 |
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AVDD±0.1 |
V |
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Output load regulation accuracy |
RL = 2 kΩ vs 10 kΩ |
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0.25 |
% of FS |
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reference input (REFINAB, REFINCD)
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PARAMETER |
TEST CONDITIONS |
MIN TYP |
MAX |
UNIT |
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VI |
Input voltage range |
See Note 10 |
0 |
AVDD±1.5 |
V |
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RI |
Input resistance |
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CI |
Input capacitance |
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pF |
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Reference feed through |
REFIN = 1 Vpp at 1 kHz + 1.024 V dc |
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Reference input bandwidth |
REFIN = 0.2 Vpp + 1.024 V dc |
Slow |
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NOTES: 10. Reference input voltages greater than VDD/2 will cause output saturation for large DAC codes.
11.Reference feedthrough is measured at the DAC output with an input code = 000 hex and a Vref(REFINAB or REFINCD) input = 1.024 Vdc + 1 Vpp at 1 kHz.
digital inputs (D0±D11, CS, WEB, LDAC, PD)
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PARAMETER |
TEST CONDITIONS |
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MAX |
UNIT |
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IIH |
High-level digital input current |
VI = DVDD |
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μA |
IIL |
Low-level digital input current |
VI = 0 V |
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μA |
CI |
Input capacitance |
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pF |
power supply
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PARAMETER |
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TEST CONDITIONS |
MIN TYP |
MAX |
UNIT |
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5-V supply, |
No load, Clock running |
Slow |
1.4 |
2.2 |
mA |
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IDD |
Power supply current |
Fast |
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3-V supply, |
No load, Clock running |
Slow |
1 |
1.5 |
mA |
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Fast |
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Power down supply current, |
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10 |
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nA |
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See Figure 12 |
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POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
5 |
TLV5604
2.7-V TO 5.5-V 10-BIT 3-μS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS
WITH POWER DOWN
SLAS176A ± DECEMBER 1997 ± REVISED SEPTEMBER 1998
electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (continued)
analog output dynamic performance
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PARAMETER |
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TEST CONDITIONS |
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MIN TYP |
MAX |
UNIT |
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SR |
Output slew rate |
CL = 100 pF, |
RL = 10 kΩ, |
Fast |
5 |
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VO = 10% to 90%, |
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Slow |
1 |
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Vref = 2.048 V, 1024 V |
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Output settling time |
To ± 0.5 LSB, |
CL = 100 pF, |
Fast |
2.5 |
4 |
μs |
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RL = 10 kΩ, |
See Notes 12 and 14 |
Slow |
8.5 |
18 |
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ts(c) |
Output settling time, code to code |
To ± 0.5 LSB, |
CL = 100 pF, |
Fast |
1 |
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μs |
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RL = 10 kΩ, |
See Note 13 |
Slow |
2 |
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Glitch energy |
Code transition from 7FF to 800 |
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10 |
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SNR |
Signal-to-noise ratio |
Sinewave generated by DAC, |
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68 |
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Reference voltage = 1.024 at 3 V and 2.048 at 5 V, |
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S/(N+D) |
Signal to noise + distortion |
65 |
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fs = 400 KSPS, |
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dB |
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THD |
Total harmonic Distortion |
fOUT = 1.1 kHz sinewave, |
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±68 |
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CL = 100 pF, |
RL = 10 kΩ, |
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SFDR |
Spurious free dynamic range |
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70 |
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BW = 20 kHz |
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NOTES: 12. Settling time is the time for the output signal to remain within ± 0.5LSB of the final measured value for a digital input code change of 020 hex to 3FF hex or 3FF hex to 020 hex.
13.Settling time is the time for the output signal to remain within ± 0.5LSB of the final measured value for a digital input code change of one count, 1FF hex to 200 hex.
14.Limits are ensured by design and characterization, but are not production tested.
6 |
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
TLV5604 2.7-V TO 5.5-V 10-BIT 3-μS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS
WITH POWER DOWN
SLAS176A ± DECEMBER 1997 ± REVISED SEPTEMBER 1998
electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (continued)
digital input timing requirements
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MIN NOM MAX |
UNIT |
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tsu(CS±FS) |
Setup time, |
CS |
low before FS↓ |
10 |
ns |
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tsu(FS±CK) |
Setup time, FS low before first negative SCLK edge |
8 |
ns |
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tsu(C16±FS) |
Setup time, sixteenth negative edge after FS low on which bit D0 is sampled before rising |
10 |
ns |
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edge of FS |
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Setup time, sixteenth positive SCLK edge (first positive after D0 is sampled) before |
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CS |
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tsu(C16±CS) |
edge. If FS is used instead of the sixteenth positive edge to update the DAC, then the setup |
10 |
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time is between the FS rising edge and CS rising edge. |
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twH |
Pulse duration, SCLK high |
25 |
ns |
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twL |
Pulse duration, SCLK low |
25 |
ns |
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tsu(D) |
Setup time, data ready before SCLK falling edge |
8 |
ns |
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th(D) |
Hold time, data held valid after SCLK falling edge |
5 |
ns |
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twH(FS) |
Pulse duration, FS high |
20 |
ns |
PARAMETER MEASUREMENT INFORMATION
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twL |
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twH |
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SCLK |
1 |
2 |
3 |
4 |
5 |
15 |
16 |
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tsu(D) |
th(D) |
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DIN |
D15 |
D14 |
D13 |
D12 |
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D1 |
D0 |
tsu(FS-CK)
tsu(C16-CS)
tsu(CS-FS)
CS
twH(FS) |
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tsu(C16-FS) |
|
FS
Figure 1. Timing Diagram
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
7 |
TLV5604
2.7-V TO 5.5-V 10-BIT 3-μS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS
WITH POWER DOWN
SLAS176A ± DECEMBER 1997 ± REVISED SEPTEMBER 1998
TYPICAL CHARACTERISTICS
LOAD REGULATION
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0.35 |
VDD = 5 V, |
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0.30 |
VREF = 2 V, |
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VO = Full Scale |
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V |
0.25 |
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± |
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5 V Slow Mode, Sink |
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Voltage |
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0.20 |
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5 V Fast Mode, Sink |
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± Output |
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0.15 |
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O |
0.10 |
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V |
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0.05 |
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0 |
0 |
0.02 |
0.04 |
0.1 |
0.2 |
0.4 |
1 |
2 |
4 |
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Load Current ± mA |
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Figure 2
LOAD REGULATION
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4.002 |
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4.00 |
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3.998 |
5 V Slow Mode, Source |
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± V |
3.996 |
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Voltage |
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3.994 |
5 V Fast Mode, Source |
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± Output |
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3.992 |
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3.99 |
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O |
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V |
3.988 |
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VDD = 5 V, |
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3.986 |
VREF = 2 V, |
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VO = Full Scale |
3.984
0 |
0.02 |
0.04 |
0.1 |
0.2 |
0.4 |
1 |
2 |
4 |
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Load Current ± mA |
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Figure 4
LOAD REGULATION
|
0.20 |
VDD = 3 V, |
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0.18 |
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VREF = 1 V, |
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0.16 |
VO = Full Scale |
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V |
0.14 |
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± |
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3 V Slow Mode, Sink |
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Voltage |
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0.12 |
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0.10 |
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± Output |
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3 V Fast Mode, Sink |
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0.08 |
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0.06 |
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O |
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V |
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0.04 |
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0.02 |
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0 |
0 |
0.01 |
0.02 |
0.05 |
0.1 |
0.2 |
0.5 |
1 |
2 |
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Load Current ± mA
Figure 3
LOAD REGULATION
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2.003 |
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2.002 |
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2.002 |
3 V Fast Mode, Source |
± V |
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Voltage |
2.001 |
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2.001 |
3 V Slow Mode, Source |
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Output |
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2 |
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± |
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O |
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V |
2 |
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VDD = 3 V, |
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1.999 |
VREF = 1 V, |
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VO = Full Scale |
1.999
0 |
0.01 |
0.02 |
0.05 |
0.1 |
0.2 |
0.5 |
1 |
2 |
Load Current ± mA
Figure 5
8 |
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
TLV5604 2.7-V TO 5.5-V 10-BIT 3-μS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS
WITH POWER DOWN
SLAS176A ± DECEMBER 1997 ± REVISED SEPTEMBER 1998
TYPICAL CHARACTERISTICS
SUPPLY CURRENT
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vs |
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TEMPERATURE |
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4 |
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VDD = 3 V, |
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3.5 |
VREF = 1.024 V, |
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VO = Full Scale |
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Fast Mode |
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mA |
3 |
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± |
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Current |
2.5 |
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± Supply |
2 |
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1.5 |
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DD |
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I |
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Slow Mode |
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1 |
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0.5 |
±55 |
±40 |
±25 |
0 |
25 |
40 |
70 |
85 |
125 |
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T ± Temperature ± °C |
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SUPPLY CURRENT
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vs |
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TEMPERATURE |
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4 |
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3.5 |
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Fast Mode |
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mA |
3 |
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± |
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Current |
2.5 |
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± Supply |
2 |
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1.5 |
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Slow Mode |
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DD |
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I |
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1 |
VDD = 5 V, |
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VREF = 1.024 V, |
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VO = Full Scale |
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0.5 |
±55 |
±40 |
±25 |
0 |
25 |
40 |
70 |
85 |
125 |
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T ± Temperature ± °C |
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Figure 6 |
Figure 7 |
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TOTAL HARMONIC DISTORTION |
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TOTAL HARMONIC DISTORTION |
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vs |
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vs |
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FREQUENCY |
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FREQUENCY |
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0 |
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0 |
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±10 |
Vref = 1 V dc + 1 V p/p Sinewave, |
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Vref = 1 V dc + 1 V p/p Sinewave, |
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HarmonicTotal±THD Distortion ± dB |
Output Full Scale |
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HarmonicTotal±THD Distortion ± dB |
±10 |
Output Full Scale |
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±70 |
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±20 |
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±20 |
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±30 |
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±30 |
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±±40 |
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±±40 |
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±50 |
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±50 |
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±60 |
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Fast Mode |
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±60 |
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Slow Mode |
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±70 |
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±80 |
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±80 |
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0 |
5 |
10 |
20 |
30 |
50 |
100 |
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0 |
5 |
10 |
20 |
30 |
50 |
100 |
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f ± Frequency ± kHz |
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f ± Frequency ± kHz |
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Figure 8 |
Figure 9 |
POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 |
9 |