Product Summary

The INA128U is a low power, general purpose instrumentation amplifier offering excellent accuracy. Its versatile 3-op amp design and small size make it ideal for a wide range of applications. Current-feedback input circuitry of the INA128U provides wide bandwidth even at high gain (200kHz at G = 100). The applications of the INA128U include bridge amplifier, thermocouple amplifier, RTD sensor amplifier, medical instrumentation, data acquisition.

Parametrics

INA128U absolute maximum ratings: (1)Supply Voltage: ±18V; (2)Analog Input Voltage Range: ±40V; (3)Output Short-Circuit (to ground): Continuous; (4)Operating Temperature: –40℃ to +125℃; (5)Storage Temperature: –40℃ to +125℃; (6)Junction Temperature: +150℃; (7)Lead Temperature (soldering, 10s): +300℃.

Features

INA128U features: (1)low offset voltage: 50mV max; (2)low drift: 0.5mV/℃ max; (3)low input bias current: 5nA max; (4)high CMR: 120dB min; (5)inputs protected to ±40V; (6)wide supply range: ±2.25 to ±18V; (7)low quiescent current: 700mA; (8)8-PIN plastic DIP, SO-8.

Diagrams

INA128U pin connection

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
INA128U
INA128U

Texas Instruments

Instrumentation Amplifiers Precision Low Power Instrumentation Amp

Data Sheet

0-1: $6.17
1-25: $5.90
25-100: $4.43
100-250: $4.34
INA128U/2K5
INA128U/2K5

Texas Instruments

Instrumentation Amplifiers Precision Low Power Instrumentation Amp

Data Sheet

0-1880: $3.75
1880-2000: $3.61
2000-2500: $3.61
INA128UA
INA128UA

Texas Instruments

Instrumentation Amplifiers Precision Low Power Instrumentation Amp

Data Sheet

0-1: $4.64
1-25: $4.33
25-100: $3.91
100-250: $3.58
INA128U/2K5G4
INA128U/2K5G4

Texas Instruments

Instrumentation Amplifiers Precision Low Power Instrumentation Amp

Data Sheet

0-1880: $3.75
1880-2000: $3.61
2000-2500: $3.61
INA128UA/2K5E4
INA128UA/2K5E4

Texas Instruments

Instrumentation Amplifiers Precision Low Power Instrumentation Amp

Data Sheet

0-1880: $2.32
1880-2000: $2.23
2000-2500: $2.23
INA128UA/2K5
INA128UA/2K5

Texas Instruments

Instrumentation Amplifiers Precision Low Power Instrumentation Amp

Data Sheet

0-1880: $2.32
1880-2000: $2.23
2000-2500: $2.23
INA128UAG4
INA128UAG4

Texas Instruments

Instrumentation Amplifiers Precision Low Power Instrumentation Amp

Data Sheet

0-1: $4.92
1-25: $4.33
25-100: $3.71
100-250: $3.58
INA128UG4
INA128UG4

Texas Instruments

Instrumentation Amplifiers Precision Low Power Instrumentation Amp

Data Sheet

0-1: $6.17
1-25: $5.90
25-100: $4.43
100-250: $4.34