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Precision, Micropower
Operational Amplifiers
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
PIN CONFIGURATIONS
NULL
1
–IN A
2
+IN A
3
8
NC
V+
OUT A
00295-001
OP193
7
6
5
TOP VIEW
V–
4
(Not to Scale)
NULL
NC = NO CONNECT
Figure 1. 8-Lead SOIC_N
(S Suffix)
APPLICATIONS
Digital scales
Strain gages
Portable medical equipment
Battery-powered instrumentation
Temperature transducer amplifier
OUT A
1
–IN A
2
+IN A
3
8
V+
OUT B
00295-002
OP293
7
6
5
TOP VIEW
V–
4
(Not to Scale)
–IN B
+IN B
Figure 2. 8-Lead SOIC_N
(S Suffix)
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.
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. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
Rev. C
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©1995–2009 Analog Devices, Inc. All rights reserved.
OP193/OP293
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
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
Rev. C | Page 2 of 20
OP193/OP293
SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
V
S
= ±15.0 V, T
A
= 25°C, unless otherwise noted.
Table 1.
Parameter
INPUT CHARACTERISTICS
Offset Voltage
Symbol
V
OS
Conditions
OP193
OP193, −40°C ≤ T
A
≤ +125°C
OP293
OP293, −40°C ≤ T
A
≤ +125°C
V
CM
= 0 V, −40°C ≤ T
A
≤ +125°C
V
CM
= 0 V, −40°C ≤ T
A
≤ +125°C
−14.9 V ≤ V
CM
≤ +14 V
−14.9 V ≤ V
CM
≤ +14 V,
−40°C ≤ T
A
≤ +125°C
R
L
= 100 kΩ,
−10 V ≤ V
OUT
≤ +10 V
−40°C ≤ T
A
≤ +85°C
−40°C ≤ T
A
≤ +125°C
R
L
= 10 kΩ,
−10 V ≤ V
OUT
≤ +10 V
−40°C ≤ T
A
≤ +85°C
−40°C ≤ T
A
≤ +125°C
R
L
= 2 kΩ,
−10 V ≤ V
OUT
≤ +10 V
−40°C ≤ T
A
≤ +85°C
−40°C ≤ T
A
≤ +125°C
−14.9
100
97
116
Min
E Grade
Typ
Max
Min
F Grade
Typ
Max
150
250
250
350
20
4
+13.5
116
Unit
μV
μV
μV
μV
nA
nA
V
dB
dB
Input Bias Current
Input Offset Current
Input Voltage Range
Common-Mode Rejection
I
B
I
OS
V
CM
CMRR
100
200
15
2
+13.5
−14.9
97
94
Large Signal Voltage Gain
A
VO
500
300
600
300
500
300
600
300
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
μV
μV/°C
V
V
V
V
V
V
mA
dB
dB
μA
Large Signal Voltage Gain
A
VO
350
200
150
200
125
100
0.2
150
1.75
350
200
150
200
125
100
300
Large Signal Voltage Gain
A
VO
Long-Term Offset Voltage
Offset Voltage Drift
2
OUTPUT CHARACTERISTICS
Output Voltage Swing High
1
V
OS
ΔV
OS
/ΔT
V
OH
I
L
= 1 mA
I
L
= 1 mA, −40°C ≤ T
A
≤ +125°C
I
L
= 5 mA
I
L
= −1 mA
I
L
= −1 mA,
−40°C ≤ T
A
≤ +125°C
I
L
= −5 mA
14.1
14.0
13.9
14.2
14.1
−14.7
14.1
14.0
13.9
−14.6
−14.4
−14.1
14.2
14.1
−14.7
Output Voltage Swing Low
V
OL
−14.6
−14.4
−14.1
Short-Circuit Current
POWER SUPPLY
Power Supply Rejection Ratio
Supply Current per Amplifier
NOISE PERFORMANCE
Voltage Noise Density
Current Noise Density
Voltage Noise
I
SC
PSRR
I
SY
V
S
= ±1.5 V to ±18 V
−40°C ≤ T
A
≤ +125°C
V
OUT
= 0 V, V
S
= ±18 V,
−40°C ≤ T
A
≤ +125°C, R
L
= ∞
f = 1 kHz
f = 1 kHz
0.1 Hz to 10 Hz
100
97
+14.2
±25
120
+14.2
±25
97
94
120
30
30
e
n
i
n
e
n
p-p
65
0.05
3
65
0.05
3
nV/√Hz
pA/√Hz
μV p-p
Rev. C | Page 3 of
20
OP193/OP293
Parameter
DYNAMIC PERFORMANCE
Slew Rate
Gain Bandwidth Product
Channel Separation
1
2
Symbol
SR
GBP
Conditions
R
L
= 2 kΩ
V
OUT
= 10 V p-p, R
L
= 2 kΩ,
f = 1 kHz
Min
E Grade
Typ
Max
15
35
120
Min
F Grade
Typ
Max
15
35
120
Unit
V/ms
kHz
dB
Long-term offset voltage is guaranteed by a 1000 hour life test performed on three independent lots at 125 °C, with an LTPD of 1.3.
Offset voltage drift is the average of the −40°C to +25°C delta and the +25°C to +125°C delta.
V
S
= 5.0 V, V
CM
= 0.1 V, T
A
= 25°C, unless otherwise noted.
Table 2.
Parameter
INPUT CHARACTERISTICS
Offset Voltage
Symbol
V
OS
Conditions
OP193
OP193, −40°C ≤ T
A
≤ +125°C
OP293
OP293, −40°C ≤ T
A
≤ +125°C
−40°C ≤ T
A
≤ +125°C
−40°C ≤ T
A
≤ +125°C
0.1 V ≤ V
CM
≤ 4 V
0.1 V ≤ V
CM
≤ 4 V,
−40°C ≤ T
A
≤ +125°C
R
L
= 100 kΩ,
0.03 V ≤ V
OUT
≤ 4.0 V
−40°C ≤ T
A
≤ +85°C
−40°C ≤ T
A
≤ +125°C
R
L
= 10 kΩ,
0.03 V ≤ V
OUT
≤ 4.0 V
−40°C ≤ T
A
≤ +85°C
−40°C ≤ T
A
≤ +125°C
0
100
92
116
E Grade
Min
Typ
Max
F Grade
Min
Typ
Max
150
250
250
350
20
4
4
116
Unit
μV
μV
μV
μV
nA
nA
V
dB
dB
Input Bias Current
Input Offset Current
Input Voltage Range
Common-Mode Rejection
I
B
I
OS
V
CM
CMRR
100
200
15
2
4
0
96
92
Large Signal Voltage Gain
A
VO
200
125
130
75
50
70
0.2
150
1.25
200
125
130
75
50
70
300
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
μV
μV/°C
V
V
V
V
mV
mV
mV
mV
mV
mV
mA
dB
dB
μA
Large Signal Voltage Gain
A
VO
Long-Term Offset Voltage
Offset Voltage Drift
2
OUTPUT CHARACTERISTICS
Output Voltage Swing High
1
V
OS
ΔV
OS
/ΔT
V
OH
I
L
= 100 μA
I
L
= 1 mA
I
L
= 1 mA,
−40°C ≤ T
A
≤ +125°C
I
L
= 5 mA
I
L
= −100 μA
I
L
= −100 μA,
−40°C ≤ T
A
≤ +125°C
No load
I
L
= −1 mA
I
L
= −1 mA, −40°C ≤ T
A
≤ +125°C
I
L
= –5 mA
4.1
4.0
4.0
4.4
4.4
4.1
4.0
4.0
160
220
4.4
4.4
Output Voltage Swing Low
V
OL
4.4
140
4.4
140
160
220
5
280
700
±8
100
94
120
14.5
400
500
900
5
280
700
±8
97
90
120
14.5
400
500
900
Short-Circuit Current
POWER SUPPLY
Power Supply Rejection Ratio
Supply Current per Amplifier
I
SC
PSRR
I
SY
V
S
= ±1.7 V to ±6.0 V
−40°C ≤ T
A
≤ +125°C
V
CM
= 2.5 V, R
L
= ∞
Rev. C | Page 4 of
20
Analogue and Mixed Signal
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