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INA826AID

TIINA826AID

Texas Instruments
Instrumentation Amplifier 1 Circuit Rail-to-Rail 8-SOIC
Active1,087 in stock

Overview

The INA826AID is a low-power, precision instrumentation amplifier designed to operate over a wide supply range from 3V to 36V. It features a rail-to-rail output and is optimized for providing high common-mode rejection even at high frequencies, making it effective for small signal amplification in noisy environments.

Why Choose This Part

The device offers excellent protection with inputs capable of withstanding up to 40V beyond the supply rails. Its low 200uA current consumption and 1MHz bandwidth provide a versatile balance for power-sensitive designs requiring moderate speed.

Applications

Industrial Process Control
Used in PLC analog input modules to amplify differential signals from remote sensors while rejecting common-mode noise.
Bridge Amplifiers
Ideal for strain gauges and load cell interfaces where high precision and low drift are required.
Medical Instrumentation
Suitable for portable patient monitoring devices due to its low 200uA quiescent current and 35nA input bias current.
Data Acquisition Systems
Provides a high-impedance interface for ADCs in multi-channel battery-powered logging systems.

Key Specifications

Slew Rate 1V/us
Output Type Rail-to-Rail
Mounting Type Surface Mount
-3db Bandwidth 1 MHz
Amplifier Type Instrumentation
Package / Case 8-SOIC (0.154", 3.90mm Width)
Current - Supply 200uA
Number of Circuits 1
Current - Input Bias 35 nA
Operating Temperature -40degC ~ 125degC
Voltage - Input Offset 40 uV
Supplier Device Package 8-SOIC
Current - Output / Channel 16 mA
Voltage - Supply Span (Max) 36 V
Voltage - Supply Span (Min) 2.7 V

Getting Started

Gain is set by a single external resistor connected between pins 1 and 8, following the formula G = 1 + (49.4k / Rg). When prototyping, ensure a low-ESR ceramic bypass capacitor is placed close to the supply pins, and use the INA826EVM evaluation module for rapid performance verification.

INA826 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Stock
INA826AID (this part) SOIC-8 1,087
INA826AIDGK TSSOP-8

Also Consider

AD8226ARZ Analog Devices - Offers similar wide supply range and low power consumption with a slightly different gain equation.
INA128UA TITexas Instruments - An industry-standard alternative for applications requiring higher precision and lower offset voltage.