INA126UAG4

Overview

The INA126UAG4 is a micropower instrumentation amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface-mount package. It features a supply current of 175µA and supports dual power supplies ranging from ±2.7V to ±18V. The device offers a gain bandwidth product of 200 kHz and a slew rate of 0.4V/µs. Input offset voltage is typically 100µV with input bias current of 10nA. It operates within a temperature range of -40°C to 85°C.

Feature Summary

• Micropower consumption for battery-operated applications
• Low input offset voltage and bias current
• Wide single or split supply operation

Applications

• Strain gauge amplification
• Thermocouple signal conditioning
• Medical equipment front-ends

Procurement Notes

Verify the specific suffix 'G4' indicates lead-free/RoHS compliance status as per manufacturer documentation. Confirm the 8-SOIC package dimensions match PCB footprint requirements. Ensure operating temperature range meets system environmental specifications. Cross-reference datasheet revision dates for parameter accuracy.

Selection Notes

Select this component when low power consumption is critical alongside moderate precision requirements. Compare input offset voltage and drift against application tolerance levels. Evaluate the 200 kHz bandwidth against signal frequency needs. Consider the 8-SOIC package for space-constrained designs requiring surface mount technology.

Part Context

Part of the INA12x family of instrumentation amplifiers designed for high precision and low power. The 'U' denotes the SOIC package variant, while 'G4' signifies lead-free manufacturing. This series is widely used in industrial and medical sensing applications requiring accurate differential signal amplification.

Replacement Considerations

INA126UG4 is a documented equivalent part number representing the same functional device with lead-free specifications.