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INA821 Datasheet(PDF) 8 Page - Texas Instruments

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Part # INA821
Description  INA630 Precision, 126dB CMRR, Indirect Current Feedback Instrumentation Amplifier
PDF  32 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

INA821 Datasheet(HTML) 8 Page - Texas Instruments

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6.6 Typical Characteristics (continued)
at TA = 25°C, VS = ±15V, RL = 10kΩ, VREF = 0V, and G = 20V/V (unless otherwise noted)
Frequency (Hz)
40
60
80
100
120
140
100m
1
10
100
1k
10k
100k
1M
G = 20
G = 100
Figure 6-5. CMRR vs Frequency (RTI)
Frequency (Hz)
20
40
60
80
100
120
140
100m
1
10
100
1k
10k
100k
1M
G = 20
G = 100
Figure 6-6. CMRR vs Frequency (RTI, 1kΩ Source Imbalance)
Frequency (Hz)
-60
-40
-20
0
20
40
60
10
100
1k
10k
100k
1M
10M
G = 20
G = 100
.
Figure 6-7. Gain vs Frequency
Frequency (Hz)
20
30
40
50
70
100
200
300
400
400
100m
1
10
100
1k
10k
100k
G = 21
G = 101
.
.
Figure 6-8. Voltage Noise Spectral Density vs Frequency (RTI)
Frequency (Hz)
5
10
20
30
50
100
200
300
500
1000
2000
3000
5000
100m
1
10
100
1k
10k
100k
Figure 6-9. Current Noise Spectral Density vs Frequency (RTI)
Time (1s/div)
.
Figure 6-10. 0.1Hz to 10Hz RTI Current Noise, G = 20V/V
INA630
SBOSAI8 – MARCH 2025
www.ti.com
8
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Copyright © 2025 Texas Instruments Incorporated
Product Folder Links: INA630



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