Product Summary

The INA125U is a low power, high accuracy instrumentation amplifier with a precision voltage reference. It provides complete bridge excitation and precision differential-input amplification on a single integrated circuit. The applications of the INA125U include pressure and temperature bridge amplifiers, industrial process control, factory automation, multi-channel data acquisition, battery operated systems and general purpose instrumentation.

Parametrics

INA125U absolute maximum ratings: (1)Power Supply Voltage, V+ to V–: 36V; (2)Input Signal Voltage: ±40V; (3)Output Short Circuit: Continuous; (4)Operating Temperature: –55 to +125℃; (5)Storage Temperature: –55 to +125℃; (6)Lead Temperature (soldering, 10s): +300℃.

Features

INA125U features: (1)low quiescent current: 460mA; (2)precision voltage reference: 1.24V, 2.5V, 5V or 10V; (3)sleep mode; (4)low offset voltage: 250mV max; (5)low offset drift: 2mV/℃ max; (6)low input bias current: 20nA max; (7)high CMR: 100dB min; (8)low noise: 38nV/Hz at f = 1kHz; (9)input protection to ±40V; (10)wide supply range Single Supply: 2.7V to 36V; Dual Supply: ±1.35V to ±18V; (11)16-pin DIP and SO-16 SOIC packages.

Diagrams

INA125U block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
INA125U
INA125U

Texas Instruments

Instrumentation Amplifiers w/Precision Voltage Reference

Data Sheet

0-1: $4.05
1-10: $3.64
10-25: $3.24
25-50: $3.05
INA125U/2K5
INA125U/2K5

Texas Instruments

Instrumentation Amplifiers w/Precision Voltage Reference

Data Sheet

0-2010: $1.72
2010-2500: $1.72
INA125UA
INA125UA

Texas Instruments

Instrumentation Amplifiers w/Precision Voltage Reference

Data Sheet

0-1: $3.30
1-25: $3.07
25-100: $2.77
100-250: $2.55
INA125UA/2K5E4
INA125UA/2K5E4

Texas Instruments

Instrumentation Amplifiers w/Precision Voltage Reference

Data Sheet

0-1855: $1.66
1855-2000: $1.60
2000-2500: $1.60
INA125UA/2K5
INA125UA/2K5

Texas Instruments

Instrumentation Amplifiers w/Precision Voltage Reference

Data Sheet

0-1855: $1.66
1855-2000: $1.60
2000-2500: $1.60
INA125U/2K5E4
INA125U/2K5E4

Texas Instruments

Instrumentation Amplifiers w/Precision Voltage Reference

Data Sheet

0-2010: $1.72
2010-2500: $1.72
INA125UE4
INA125UE4

Texas Instruments

Instrumentation Amplifiers w/Precision Voltage Reference

Data Sheet

0-1: $4.05
1-10: $3.64
10-25: $3.24
25-50: $3.05
INA125UAG4
INA125UAG4

Texas Instruments

Instrumentation Amplifiers w/Precision Voltage Reference

Data Sheet

0-1: $3.29
1-25: $2.78
25-100: $2.55
100-250: $2.33