SBOS562G
August 2011 – June 2020
INA826
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
General-Purpose Instrumentation Amplifier
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
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Inside the INA826
8.3.2
Setting the Gain
8.3.2.1
Gain Drift
8.3.3
Offset Trimming
8.3.4
Input Common-Mode Range
8.3.5
Input Protection
8.3.6
Input Bias Current Return Path
8.3.7
Reference Terminal
8.3.8
Dynamic Performance
8.3.9
Operating Voltage
8.3.9.1
Low-Voltage Operation
8.3.10
Error Sources
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.3
System Examples
9.3.1
Circuit Breaker
9.3.2
Programmable Logic Controller (PLC) Input
9.3.3
Using TINA-TI SPICE-Based Analog Simulation Program With the INA826
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
CMRR vs Frequency
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
1
Features
Input common-mode range: Includes V–
Common-mode rejection:
104 dB, min (G = 10)
100 dB, min at 5 kHz (G = 10)
Power-supply rejection: 100 dB, min (G = 1)
Low offset voltage: 150 µV, max
Gain drift: 1 ppm/°C (G = 1), 35 ppm/°C (G > 1)
Noise: 18 nV/√
Hz
, G ≥ 100
Bandwidth: 1 MHz (G = 1), 60 kHz (G = 100)
Inputs protected up to ±40 V
Rail-to-rail output
Supply current: 200 µA
Supply range:
Single supply: 3 V to 36 V
Dual supply: ±1.5 V to ±18 V
Specified temperature range:
–40°C to +125°C
Packages: 8-pin VSSOP, SOIC, and WSON