37
BIPOLAR INPUT INSTRUMENTATION AMPLIFIERS
BOLD DENOTES NEW PRODUCT.
BOLD, ITALIC DENOTES PRODUCT IN DEVELOPMENT.
Some specifications have been estimated for comparison purposes. Refer to data sheets for guaranteed specifications.
Instrumentation Amplifiers—Selection Guide
Instrumentation Amplifiers
Non
Linearity
(1)
(
±
%)
max
0.004
0.002
0.002
0.002
0.012
0.002
0.012
0.012
0.002
0.002
0.002
0.002
0.002
0.002
0.004
Input
Offset
(
±μ
V)
max
100+5000/G
50+100/G
50+100/G
50+100/G
250
250
250
250
50+500/G
50+500/G
50+500/G
50
50
(1)
50
(1)
500+5000/G
Input
Offset Drift
(
±μ
V/
°
C)
max
1+20/G
0.25+5/G
0.25+5/G
0.5+20/G
3
2
3
3
0.5+20/G
0.5+20/G
0.5+20/G
0.25
0.5
(1)
0.5
(1)
5+20/G
Input Bias
Noise (V
N
)
at 1kHz
(nv/
√
Hz)
typ
1
11
11
10
60
38
35
35
8
8
8
12
8
8
1
Settling
Time
(1)
to 0.01%
(
μ
s) typ
3.5
120
120
21
450
375
160
160
9
9
9
100
9
9
3.5
Quiescent
Current
per Amp
(
±
mA) typ
9
2.2
2.2
350
μ
A
60
460
μ
A
175
μ
A
175
μ
A
700
μ
A
700
μ
A
700
μ
A
2.2
750
μ
A
750
μ
A
8.5
Power
Supply
Range
(V)
±
9 to
±
25
±
2.25 to
±
18
±
2.25 to
±
18
±
1.35 to
±
18
+2.2 to +36
±
1.35 to
±
18
±
1.35 to
±
18
±
1.35 to
±
18
±
2.25 to
±
18
±
2.25 to
±
18
±
2.25 to
±
18
±
2.25 to
±
18
±
2.25 to
±
18
±
2.25 to
±
18
±
4.5 to
±
18
Lowest
Grade
Price
(1000s)
$4.60
3.55
3.80
3.73
1.95
2.10
0.99
1.80
3.31
6.00
3.31
3.55
3.31
6.00
1.95
CMRR
(1)
Current
(dB)
min
100
110
110
107
83
100
83
83
120
120
120
110
117
117
100
Gain
(V/V)
1 to 1000
1 to 10000
1 to 10000
1 to 10000
5 to 10000
1 to 10000
5 to 10000
5 to 10000
1 to 10000
1 to 10000
1 to 10000
100
10, 100
10, 100
1 to 10000
(
±
nA)
max
8
μ
A
2
2
5
25
25
25
25
5
5
5
2
5
5
8
μ
A
Product
INA103
INA114
INA115
INA118
INA122
INA125
INA126
INA2126
INA128
INA2128
INA129
INA131
INA141
INA2141
INA163
Description
1nV/
√
Hz Lowest Noise, Low Distortion
Precision
Precision, Additional Connection to Input Op Amps
Precision, Low Power, Current Feedback
Single Supply, Micropower, Rail-to-Rail Output Swing
Internal Voltage Reference for Bridge Excitation
Single Supply, Low Power, Low Cost, MSOP-8
Dual, Single Supply, Low Power, Low Cost, SSOP-16
Precision, General Purpose, Current Feedback Topology
Dual, Precision, General Purpose, Current Feedback
AD620 Second Source, Current Feedback Topology
Fixed G = 100
Pin-programmable G = 10, 100, AD621 Second Source
Dual, Pin-programmable G = 10, 100
1nV/
√
Hz Low Noise, High Speed
Package(s)
DIP-16, SOL-16
DIP-8, SOL-16
SOL-16
DIP-8, SO-8
DIP-8, SO-8
DIP-8, SO-8
DIP-8, SO-8, MSOP-8
DIP-16, SO-16, SSOP-16
DIP-8, SO-8
DIP-16, SO-16
DIP-8, SO-8
DIP-8
DIP-8, SO-8
DIP-16, SOL-16
SO-14
NOTE: (1) G = 100.