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INA821 Datasheet(PDF) 13 Page - Texas Instruments

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Part # INA821
Description  INA597 High-Precision, Wide-Bandwidth e-trim??Difference Amplifier
PDF  47 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

INA821 Datasheet(HTML) 13 Page - Texas Instruments

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7.7 Typical Characteristics (continued)
at TA = 25°C, VS = ±18 V, VCM = VOUT = VS / 2, RL = 10 kΩ, REF pin connected to ground, G = 1/2 (unless otherwise noted)
Frequency (Hz)
0
20
40
60
80
100
120
140
1
10
100
1k
10k
100k
1M
10M
PSRR+
PSRR ̶
G = 1/2
Figure 7-25. PSRR vs Frequency (RTI)
Frequency (Hz)
0
20
40
60
80
100
120
140
1
10
100
1k
10k
100k
1M
10M
PSRR+
PSRR ̶
G = 2
Figure 7-26. PSRR vs Frequency (RTI)
Gain Error (%)
0
0.005
0.01
0.015
0.02
0.025
0.03
30
20
10
0
40
50
D027
D027
N = 470
Mean = 0.0085%
Std. Dev. = 0.0014%
G = 1/2
Figure 7-27. Typical Distribution of Gain Error
Gain Error (%)
-0.03
-0.025
-0.02
-0.015
-0.01
-0.005
0
30
20
50
10
40
0
D028
N = 470
Mean = –0.0076%
Std. Dev. = 0.0015%
G = 2
Figure 7-28. Typical Distribution of Gain Error
Temperature (qC)
-40
-20
0
20
40
60
80
100
120
140
0.002
0.004
0.006
0.008
0.01
1
.8
.6
.4
.2
D029
G = 1 /2
30 units
Figure 7-29. Gain Error vs Temperature
Temperature (qC)
-40
-20
0
20
40
60
80
100
120
140
-0.01
-0.0095
-0.009
-0.0085
-0.008
-0.0075
-0.007
-0.0065
-0.006
-0.0055
-0.005
-0.0045
-0.004
-0.0035
-0.003
-0.0025
-0.002
D030
G = 2
30 units
Figure 7-30. Gain Error vs Temperature
www.ti.com
INA597
SBOS385B – AUGUST 2019 – REVISED APRIL 2021
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: INA597



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