Datasheet Summary
INA128, INA129
SBOS051G
- OCTOBER 1995
- REVISED JANUARY 2026
INA12x Precision, Low-Power Instrumentation Amplifiers
1 Features
- Low offset voltage: 50μV, maximum
- Low drift: 0.5μV/°C, maximum
- Low input bias current:
- 5nA, maximum (CSO: SHE)
- 0.7nA, maximum (CSO: FRE)
- Low noise: 8nV/√Hz, 0.2μVpp
- High CMR: 120dB, minimum
- Bandwidth: 1.3MHz (G = 1)
- Inputs protected to ±40V
- Wide supply range: ±2.25V to ±18V
- Low quiescent current: 700μA
- Packages: 8-pin plastic DIP, SO-8
2 Applications
- Pressure transmitter
- Temperature transmitter
- Weigh scale
- Electrocardiogram (ECG)
- Analog input module
- Data acquisition (DAQ)
3 Description
The INA128 and INA129 (INA12x) are...
