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INA821 Datasheet(PDF) 33 Page - Texas Instruments

Part # INA821
Description  INA818 35-μV Offset, 8-nV/√Hz Noise, Low-Power, Precision Instrumentation Amplifier
PDF  43 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

INA821 Datasheet(HTML) 33 Page - Texas Instruments

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Use ground pours for
shielding the input
signal pairs
1
RG
8
RG
2
±IN
7
+VS
3
+IN
6
OUT
4
-VS
5
REF
R1
R2
C1
C2
GND
GND
+V
±IN
+IN
OUT
Input traces routed
adjacent to each other
-V
R3
Ground plane
removed at gain
resistor to minimize
parasitic capacitance
Low-impedance
connection for
reference terminal
Place bypass
capacitors as close to
IC as possible
R3
+IN
-IN
+V
OUT
-V
Copyright © 2017, Texas Instruments Incorporated
R1
R2
C1
C2
RG
INA818
RG
33
INA818
www.ti.com
SBOS894A – APRIL 2019 – REVISED JUNE 2019
Product Folder Links: INA818
Submit Documentation Feedback
Copyright © 2019, Texas Instruments Incorporated
11.2 Layout Example
Figure 75. Example Schematic and Associated PCB Layout



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