Datasheet

45
40
35
30
25
20
15
10
5
10k
100k
Gain(dB)
Frequency(Hz)
1M
C =1000pF
LOAD
G=14
G=20
45
40
35
30
25
20
15
10
5
10k
100k
Gain(dB)
Frequency(Hz)
1M
G=20
G=14
C =0pF
LOAD
140
130
120
110
100
90
80
70
60
50
40
10
100 1k 10k
Common-Modeand
Power-SupplyRejection(dB)
Frequency(Hz)
100k
CMRR
PSR
20
18
16
14
12
10
8
6
4
2
0
0
100
200 300 400 500
600 700
V (V)
OUT
V (mV)
SENSE
800 900
1000 1100
1200 1300
20V/V
14V/V
V =18V
S
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
50
100
150 200
250 300
350
TotalOutputError
(%erroroftheidealoutputvalue)
V (mV)
SENSE
400 450
500
0.10
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
-16
-12
-8
-4 0
4 128
2016
OutputError(%)
Common-ModeVoltage(V)
... 76
80
INA270
INA271
www.ti.com SBOS381C –FEBRUARY 2007–REVISED MAY 2010
TYPICAL CHARACTERISTICS
At T
A
= +25°C, V
S
= +12V, V
CM
= 12V, and V
SENSE
= 100mV, unless otherwise noted.
GAIN vs FREQUENCY GAIN vs FREQUENCY
Figure 1. Figure 2.
COMMON-MODE AND POWER-SUPPLY REJECTION
GAIN PLOT vs FREQUENCY
Figure 3. Figure 4.
TOTAL OUTPUT ERROR vs V
SENSE
OUTPUT ERROR vs COMMON-MODE VOLTAGE
Figure 5. Figure 6.
Copyright © 2007–2010, Texas Instruments Incorporated Submit Documentation Feedback 5
Product Folder Link(s): INA270 INA271