Wide Bandwidth: 3.4 MHz
Low Offset Voltage: 100 V
Very Low Drift: 0.2 V/C
Unity Gain Stable
No Phase Reversal
APPLICATIONS
Digital Scales
Multimedia
Strain Gages
Battery-Powered Instrumentation
Temperature Transducer Amplifier
GENERAL DESCRIPTION
The OP113 family of single supply operational amplifiers
features both low noise and drift. It has been designed for
systems with internal calibration. Often these processor-based
systems are capable of calibrating corrections for offset and gain,
but they cannot correct for temperature drifts and noise. Optimized for these parameters, the OP113 family can be used to
take advantage of superior analog performance combined with
digital correction. Many systems using internal calibration operate from unipolar supplies, usually either 5 V or 12 V. The
OP113 family is designed to operate from single supplies from 4 V
to 36 V, and to maintain its low noise and precision performance.
The OP113 family is unity gain stable and has a typical gain
bandwidth product of 3.4 MHz. Slew rate is in excess of 1 V/µs.
Noise density is a very low 4.7 nV/√Hz, and noise in the 0.1 Hz to
10 Hz band is 120 nV p-p. Input offset voltage is guaranteed
and offset drift is guaranteed to be less than 0.8 µV/°C. Input
common-mode range includes the negative supply and to within
1 V of the positive supply over the full supply range. Phase reversal
protection is designed into the OP113 family for cases where
input voltage range is exceeded. Output voltage swings also include
the negative supply and go to within 1 V of the positive rail. The
output is capable of sinking and sourcing current throughout
its range and is specified with 600 Ω loads.
Digital scales and other strain gage applications benefit from the
very low noise and low drift of the OP113 family. Other applications include use as a buffer or amplifier for both A/D and D/A
sigma-delta converters. Often these converters have high resolutions requiring the lowest noise amplifier to utilize their full
potential. Many of these converters operate in either single supply
or low supply voltage systems, and attaining the greater signal
swing possible increases system performance.
OP113/OP213/OP413
PIN CONNECTIONS
8-Lead Narrow-Body SO8-Lead Plastic DIP
NULL
NULL
–IN A
+IN A
1
OP113
V–
4
NC = NO CONNECT
NC
8
V+
OUT A
NULL
5
8-Lead Narrow-Body SO
OUT A
–IN A
+IN A
1
8
V+
OP213
V–
4
OUT B
–IN B
5
+IN B
14-Lead Plastic DIP
1
OUT A
2
–IN A
+IN A
3
V+V–
+IN B
–IN B
OUT B
OP413
4
5
6
7
14
13
12
11
10
9
8
OUT D
–IN D
+IN D
+IN C
–IN C
OUT C
1
–IN A
2
+IN A
3
V–
4
OP113
NC = NO CONNECT
8-Lead Plastic DIP
OUT A
1
–IN A
2
+IN A
3
V–
4
OP213
16-Lead Wide-Body SO
OUT A
–IN A
+IN A
+IN B
–IN B
OUT B
116
V+
NC
OP413
89
NC = NO CONNECT
The OP113 family is specified for single 5 V and dual ±15 V
operation over the XIND—extended industrial (–40°C to +85°C)
temperature range. They are available in plastic and SOIC
surface mount packages.
8
7
6
5
5
8
7
6
NC
V+
OUT A
NULL
V+
OUT B
–IN B
+IN B
OUT D
–IN D
+IN D
V–
+IN C
–IN C
OUT C
NC
REV. D
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 that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
OP113ES–40°C to +85°C8-Lead SOICSO-8
OP113FP* –40°C to +85°C8-Lead Plastic DIPN-8
OP113FS–40°C to +85°C8-Lead SOICSO-8
OP213EP* –40°C to +85°C8-Lead Plastic DIPN-8
OP213ES–40°C to +85°C8-Lead SOICSO-8
OP213FP–40°C to +85°C8-Lead Plastic DIPN-8
OP213FS–40°C to +85°C8-Lead SOICSO-8
OP413ES–40°C to +85°C16-Lead Wide SOIC R-16
OP413FP* –40°C to +85°C14-Lead Plastic DIP N-14
OP413FS–40°C to +85°C16-Lead Wide SOIC R-16
Absolute maximum ratings apply to both DICE and packaged parts, unless
otherwise noted.
2
θJA is specified for the worst-case conditions, i.e., θJA is specified for device in
socket for cerdip, P-DIP, and LCC packages; θJA is specified for device soldered in circuit board for SOIC package.
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 OP113/OP213/OP413 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.
–4–
REV. D
Typical Performance Characteristics–
TCVOS – V
UNITS
600
0
1.0
300
100
0.1
200
0
500
400
0.90.70.60.50.80.40.30.2
VS = 15V
–40
C T
A
+85C
1220 OP AMPS
PLASTIC PKG
OP113/OP213/OP413
100
VS = 15V
= 25C
T
A
80
400 OP AMPS
PLASTIC PKG
60
UNITS
40
20
0
–40
–50
INPUT OFFSET VOLTAGE, V
– V
OS
403020100–10–20–30
TPC 1a. OP113 Input Offset (VOS) Distribution
±
15 V
@
500
VS = 15V
= 25C
T
400
300
A
896 (PLASTIC) OP AMPS
150
VS = 15V
–40
120
90
UNITS
60
C TA +85C
400 OP AMPS
PLASTIC PKG
30
50
0
0.1
0
TCVOS – V
1.0
0.90.80.70.60.50.40.30.2
TPC 2a. OP113 Temperature Drift (TCVOS)
Distribution @
500
400
300
±
15 V
VS = 15V
–40
C TA +85C
896 (PLASTIC) OP AMPS
UNITS
200
100
0
–80
–100
INPUT OFFSET VOLTAGE, VOS – V
806040200–20–40–60
TPC 1b. OP213 Input Offset (VOS) Distribution
@
±
15 V
500
VS = 15V
= 25C
T
A
400
1220 OP AMPS
PLASTIC PKG
300
UNITS
200
100
0
–60
–40
INPUT OFFSET VOLTAGE, VOS – V
120100806040200–20
100
140
UNITS
200
100
0
0.1
0
TCVOS – V
TPC 2b. OP213 Temperature Drift (TCVOS)
±
Distribution @
15 V
1.0
0.90.80.70.60.50.40.30.2
TPC 1c. OP413 Input Offset (VOS) Distribution
@
±
15 V
REV. D
–5–
TPC 2c. OP413 Temperature Drift (TCVOS)
±
Distribution @
15 V
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