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INA821 Datasheet(PDF) 12 Page - Texas Instruments

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Part # INA821
Description  PGA849 Low-Noise, Wide-Bandwidth, Precision Programmable Gain Instrumentation Amplifier
PDF  40 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

INA821 Datasheet(HTML) 12 Page - Texas Instruments

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6.6 Typical Characteristics (continued)
at TA = 25°C, VS = VSOUT = ±15V, VICM = VREF = 0V, RL = 10kΩ connected to ground, and G =1V/V (unless otherwise noted)
Typical unit shown
G = 1V/V
Figure 6-25. Input Bias Current vs VICM
Input Offset Current (nA)
0
5
10
15
20
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
N = 1767
Mean = –0.006nA
Std. dev = 0.139nA
G = 1V/V
Figure 6-26. Distribution of Input Offset Current
N = 58
1 wafer lot
G = 1V/V
Figure 6-27. Input Offset Current vs Temperature
Frequency (Hz)
5
10
20
30
50
100
200
300
500
1000
2000
100m
1
10
100
1k
10k
100k
G = 0.125
G = 0.25
G = 0.5
G = 1
G = 2
G = 4
G = 8
G = 16
Typical unit shown
.
Figure 6-28. Voltage Noise Spectral Density (RTI) vs Frequency
Time (1s/div)
Typical unit shown
G = 0.125V/V
Figure 6-29. 0.1Hz to 10Hz Voltage Noise (RTI)
Time (1s/div)
Typical unit shown
G = 1V/V
Figure 6-30. 0.1Hz to 10Hz Voltage Noise (RTI)
PGA849
SBOSAG3A – MARCH 2024 – REVISED DECEMBER 2024
www.ti.com
12
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Copyright © 2024 Texas Instruments Incorporated
Product Folder Links: PGA849



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