Precision, Micropower
Operational Amplifiers
Data Sheet
OP193/OP293
FEATURES
Operates from +1.7 V to ±18 V
Low supply current: 15 µA/amplifier
Low offset voltage: 100 µV maximum
Outputs sink and source: ±8 mA
No phase reversal
Single- or dual-supply operation
High open-loop gain: 600 V/mV
Unity-gain stable
APPLICATIONS
Digital scales
Strain gages
Portable medical equipment
Battery-powered instrumentation
Temperature transducer amplifier
GENERAL DESCRIPTION
The OP193/OP293 are single-supply operational amplifiers that
feature a combination of high precision, low supply current, and
the ability to operate at low voltages. For high performance in
single-supply systems, the input and output ranges include
ground, and the outputs swing from the negative rail to within
600 mV of the positive supply. For low voltage operation, the
OP193/OP293 can operate down to +1.7 V or ±0.85 V.
The combination of high accuracy and low power operation
make the OP193/OP293 useful for battery-powered equipment.
The part’s low current drain and low voltage operation allow it
to continue performing long after other amplifiers have ceased
functioning either because of battery drain or headroom.
The OP193/OP293 are specified for single +2 V through dual
±15 V operation over the extended (−40°C to +125°C) temperature
range. They are available in SOIC surface-mount packages.
PIN CONFIGURATIONS
NULL
1
–IN A
2
+IN A
3
V–
4
NC
8
V+
7
OUT A
6
NULL
5
NC = NO CONNECT
OP193
TOP VIEW
(Not to Scale)
00295-001
Figure 1. 8-Lead SOIC_N
(S Suffix)
OUT A
1
–IN A
2
+IN A
3
V–
4
V+
8
OUT B
7
–IN B
6
+IN B
5
OP293
TOP VIEW
(Not to Scale)
00295-002
Figure 2. 8-Lead SOIC_N
(S Suffix)
Rev. D
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OP193/OP293 Data Sheet
Rev. D | Page 2 of 20
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Pin Configurations ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Electrical Specifications ............................................................... 3
Absolute Maximum Ratings ............................................................ 8
Thermal Resistance ...................................................................... 8
ESD Caution .................................................................................. 8
Typical Performance Characteristics ............................................. 9
Functional Description .................................................................. 13
Driving Capacitive Loads .......................................................... 13
Input Overvoltage Protection ................................................... 14
Output Phase Reversal—OP193 ............................................... 14
Output Phase Reversal—OP293 ............................................... 14
Battery-Powered Applications .................................................. 14
A Micropower False-Ground Generator ................................. 15
A Battery-Powered Voltage Reference ..................................... 15
A Single-Supply Current Monitor ............................................ 15
A Single-Supply Instrumentation Amplifier .......................... 16
A Low Power, Temperature to 4 mA to 20 mA Transmitter ... 16
A Micropower Voltage Controlled Oscillator ........................ 17
Outline Dimensions ....................................................................... 18
Ordering Guide .......................................................................... 18
REVISION HISTORY
1/15—Rev. C to Rev. D
Changed Minimum Output Voltage Swing High Parameter
from 4.0 V to 3.9 V; Table 2 ............................................................. 4
Changes to Ordering Guide .......................................................... 18
9/09—Rev. B to Rev. C
Updated Format .................................................................. Universal
Deleted OP493 .................................................................... Universal
Changes to Features and General Description Sections .............. 1
Deleted 8-Lead Epoxy DIP Pin Configurations for OP193 and
OP293, and 14-Lead Epoxy DIP and 16-Lead Wide Body SOL
Pin Configurations for OP493 ........................................................ 1
Changes to Offset Voltage Parameter and Large Signal Voltage
Gain, R
L
= 100 kΩ, −10 V ≤ V
OUT
≤ +10 V Parameter, and
Power Supply Rejection Ratio Parameter, Table 1 ........................ 3
Changes to Offset Voltage Parameter and Power Supply
Rejection Ratio Parameter, Table 2 ................................................ 4
Changes to Offset Voltage Parameter and Power Supply
Rejection Ratio Parameter, Table 3 ................................................ 6
Changes to Offset Voltage Parameter and Power Supply
Rejection Ratio Parameter, Table 4 ................................................ 7
Changes to Table 5 and Table 6 ....................................................... 8
Changes to Figure 3 to Figure 6 ....................................................... 9
Changes to Figure 10 and Figure 12............................................. 10
Changes to Functional Description Section and Figure 26 ...... 13
Deleted A Micropower, Single-Supply Quad Voltage Output
8-Bit DAC Section .......................................................................... 13
Deleted Figure 13; Renumbered Sequentially ............................ 14
Deleted A Single-Supply Micropower Quad Programmable-
Gain Amplifier Section .................................................................. 14
Changes to Output Phase Reversal—OP293 Section, Battery-
Powered Applications Section, and Figure 27 ............................ 14
Deleted Figure 14 ............................................................................ 15
Changes to Figure 31, A Single-Supply Current Monitor
Section, and Figure 32 .................................................................... 15
Changes to A Low Power, Temperature to 4 mA to 20 mA
Transmitter Section and Figure 35 ............................................... 16
Updated Outline Dimensions ....................................................... 18
Changes to Ordering Guide .......................................................... 18
1/02—Rev. A to Rev. B
Deletion of Wafer Test Limits Table ................................................ 5
Deletion of Dice Characteristics Images ........................................ 6
Edits to Ordering Guide ................................................................... 6
Data Sheet OP193/OP293
SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
V
S
= ±15.0 V, T
A
= 25°C, unless otherwise noted.
Table 1.
E Grade F Grade
Parameter
Symbol
Conditions
Min
Max
Min
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
OP193 150 μV
OP193, 40°C ≤ T
A
≤ +125°C 250 μV
OP293 100 250 μV
OP293, 40°C ≤ T
A
≤ +125°C 200 350 μV
Input Bias Current I
B
V
CM
= 0 V, −40°C ≤ T
A
≤ +125°C 15 20 nA
Input Offset Current I
OS
V
CM
= 0 V, −40°C ≤ T
A
≤ +125°C 2 4 nA
Input Voltage Range
V
CM
−14.9
+13.5
−14.9
+13.5
V
Common-Mode Rejection CMRR −14.9 V ≤ V
CM
+14 V 100 116 97 116 dB
−14.9 V ≤ V
CM
+14 V,
−40°C ≤ T
A
≤ +125°C
97 94 dB
Large Signal Voltage Gain A
VO
R
L
= 100 kΩ,
−10 V ≤ V
OUT
+10 V 500 600 500 600 V/mV
−40°C ≤ T
A
≤ +85°C 300 300 V/mV
−40°C ≤ T
A
≤ +125°C 300 300 V/mV
Large Signal Voltage Gain A
VO
R
L
= 10 kΩ,
−10 V ≤ V
OUT
+10 V 350 350 V/mV
−40°C ≤ T
A
≤ +85°C 200 200 V/mV
−40°C ≤ T
A
≤ +125°C
V/mV
Large Signal Voltage Gain A
VO
R
L
= 2 kΩ,
−10 V ≤ V
OUT
+10 V 200 200 V/mV
−40°C ≤ T
A
≤ +85°C 125 125 V/mV
−40°C ≤ T
A
≤ +125°C 100 100 V/mV
Long-Term Offset Voltage
1
V
OS
150 300 μV
Offset Voltage Drift
2
ΔV
OS
/ΔT 0.2 1.75 μV/°C
OUTPUT CHARACTERISTICS
Output Voltage Swing High V
OH
I
L
= 1 mA 14.1 14.2 14.1 14.2 V
I
L
= 1 mA, −40°C ≤ T
A
≤ +125°C 14.0 14.0 V
I
L
= 5 mA 13.9 14.1 13.9 14.1 V
Output Voltage Swing Low V
OL
I
L
= −1 mA −14.7 14.6 −14.7 −14.6 V
I
L
= −1 mA,
−40°C ≤ T
A
≤ +125°C
14.4 14.4 V
I
L
= −5 mA +14.2 14.1 +14.2 −14.1 V
Short-Circuit Current I
SC
±25 ±25 mA
POWER SUPPLY
Power Supply Rejection Ratio PSRR V
S
= ±1.5 V to ±18 V 100 120 97 120 dB
−40°C ≤ T
A
≤ +125°C 97 94 dB
Supply Current per Amplifier I
SY
V
OUT
= 0 V, V
S
= ±18 V,
−40°C ≤ T
A
≤ +125°C, R
L
= ∞
30 30 μA
NOISE PERFORMANCE
Voltage Noise Density e
n
f = 1 kHz 65 65 nV/√Hz
Current Noise Density i
n
f = 1 kHz 0.05 0.05 pA/√Hz
Voltage Noise e
n
p-p 0.1 Hz to 10 Hz 3 3 μV p-p
Rev. D | Page 3 of 20

OP193FS-REEL

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Analog Devices Inc.
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Precision Amplifiers Prec Micropower SGL 1.7-18V
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