INA129-HT Datasheet PDF – Instrumentation Amplifier – TI

Part Number: INA129-HT

Function : High Temperature Precision, Low Power Instrumentation Amplifier

Package: CFP 8 Pin, CDIP SB 8 Pin Type

Manufacturer: TI

Simplified Schematic

INA129-HT datasheet schematic


The INA128-HT and INA129-HT are low-power, general-purpose instrumentation amplifiers offering excellent accuracy. The versatile three-operational-amplifier design and small size make them ideal for a wide range of applications. Current-feedback input circuitry provides wide bandwidth even at high gain. A single external resistor sets any gain from 1 to 10000. The INA128-HT provides an industry-standard gain equation; the INA129-HT gain equation is compatible with the AD620.



INA129-HT pinout


1. Low Offset Voltage: 25 uV Typical
2. Low Input Bias Current: 50 nA Typical
3. High CMR: 95 dB Typical
4. Inputs Protected to ±40 V
5. Wide Supply Range: ±2.25 V to ±18 V
6. Low Quiescent Current: 2 mA Typical


1. Thermocouple Amplifiers

2. Medical Instrumentation

3. RTD Sensor Amplifiers

4. Bridge Amplifiers

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INA129-HT Datasheet PDF