SBOS893D
August 2018 – June 2020
INA821
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
INA821 Simplified Internal Schematic
Typical Distribution of Input Stage Offset Voltage Drift
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics: Table of Graphs
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Setting the Gain
8.3.1.1
Gain Drift
8.3.2
EMI Rejection
8.3.3
Input Common-Mode Range
8.3.4
Input Protection
8.3.5
Operating Voltage
8.3.6
Error Sources
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.1.1
Reference Pin
9.1.2
Input Bias Current Return Path
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.3
Other Application Examples
9.3.1
Resistance Temperature Detector Interface
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Development Support
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Receiving Notification of Documentation Updates
12.4
Support Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
D|8
MSOI002K
DRG|8
MPDS151B
DGK|8
MPDS028E
Thermal pad, mechanical data (Package|Pins)
DRG|8
QFND128G
Orderable Information
sbos893d_oa
sbos893d_pm
12.1.1
Development Support
SPICE-based analog simulation program — TINA-TI software folder
Common-Mode Input Range Calculator for Instrumentation Amplifiers