INA126EA/2K5G4

Overview

The INA126EA/2K5G4 is a micropower instrumentation amplifier manufactured by Texas Instruments. It features a gain bandwidth product of 200 kHz and a common-mode rejection ratio of 83 dB. The input bias current is 25 nA, with an input offset voltage of 250 uV. Operating supply current is 175 uA. The device supports a supply voltage range from 2.7 V to 36 V. It operates within a temperature range of -55 C to +125 C and is housed in a VSSOP-8 package.

Feature Summary

• Micropower consumption suitable for battery-operated applications
• High common-mode rejection ratio for accurate signal conditioning
• Wide single-supply voltage operation capability

Applications

• Precision low-frequency signal amplification
• Battery-powered measurement systems
• Industrial process control sensor interfaces

Procurement Notes

Verify the specific suffix G4 indicates RoHS compliance status as per manufacturer documentation. Confirm the VSSOP-8 package variant matches the design requirements. Ensure the operating temperature range meets the environmental conditions of the target application. Cross-reference the datasheet revision date to ensure all electrical characteristics are current.

Selection Notes

Select this component when low power consumption is critical alongside moderate precision requirements. The wide supply voltage range allows flexibility in system design. Consider the input offset voltage and bias current specifications for high-impedance source applications. Compare against other INA126 variants if different package types or temperature ranges are needed.

Part Context

This part belongs to the INA126 family of instrumentation amplifiers known for their micropower performance. It offers a single-channel configuration within a compact surface-mount package. The series is designed for applications requiring high accuracy with minimal power draw, distinguishing it from higher-speed or higher-power alternatives in the broader amplifier portfolio.