INA126E/2K5G4

Overview

The INA126E/2K5G4 is a micropower instrumentation amplifier manufactured by Texas Instruments. It features a single channel with a 3dB bandwidth of 200 kHz and a slew rate of 400 mV/us. The device offers a common-mode rejection ratio (CMRR) of 83 dB, input bias current of 25 nA, and input offset voltage of 250 uV. Operating supply voltage ranges from 2.7 V to 36 V, with a quiescent current of 175 uA. It supports a gain range of 5 V/V to 10000 V/V and has an input resistance of 1 GOhms. The component operates within a temperature range of -55°C to +125°C and is housed in a VSSOP-8 package.

Feature Summary

• Micropower consumption for battery-operated applications
• High common-mode rejection ratio for noise reduction
• Wide single-supply operating voltage range
• Low input bias current and offset voltage

Applications

• Strain gauge amplification
• Thermocouple signal conditioning
• Medical equipment front ends
• Industrial process control systems

Procurement Notes

Verify the exact part number suffix against the manufacturer's latest documentation to ensure compatibility with specific packaging or environmental requirements. Confirm that the 'G4' designation aligns with current RoHS compliance standards as defined by Texas Instruments. Check for any recent product change notices that may affect pinout or electrical characteristics before finalizing procurement orders.

Selection Notes

Select this component when low power consumption is critical alongside moderate precision requirements. The VSSOP-8 package suits space-constrained designs. Ensure the application does not require higher CMRR or lower offset voltage than the specified 83 dB and 250 uV. Consider the operating temperature range limits for extreme environment deployments.

Part Context

This instrument amplifier belongs to the INA126 series, designed for general-purpose high-precision applications. It serves as a cost-effective solution for signal conditioning tasks requiring micropower operation. The device integrates a low-drift input stage and a gain-setting resistor network, simplifying circuit design compared to discrete solutions.

Replacement Considerations

INA126E/2K5

FAQ

What is the maximum gain setting for the INA126E/2K5G4?

The device supports a gain range from 5 V/V to 10000 V/V.

Does the INA126E/2K5G4 support single-supply operation?

Yes, it operates on a supply voltage range of 2.7 V to 36 V, supporting single-supply configurations.