INA106UE4

Overview

The INA106UE4 is a precision unity-gain differential amplifier manufactured by Texas Instruments. It features a fixed gain of 1 V/V and utilizes laser-trimmed thin-film resistors for high accuracy. The device operates on dual power supplies ranging from ±5V to ±15V, with a typical input offset voltage of 25µV and a common-mode rejection ratio of 98dB. It is housed in a 14-pin plastic DIP package.

Feature Summary

• Precision differential amplification with fixed unity gain
• Laser-trimmed thin-film resistor network for stability
• High common-mode rejection capability
• Low input offset voltage specification

Applications

• Medical instrumentation signal conditioning
• Industrial process control systems
• Data acquisition front-ends

Procurement Notes

Verify the specific 'E4' suffix indicates lead-free composition and RoHS compliance per manufacturer documentation. Confirm the 14-pin DIP package availability as this variant may be subject to end-of-life status or limited production runs. Cross-reference the datasheet revision to ensure pinout compatibility with existing designs.

Selection Notes

Select this component when a fixed unity-gain differential configuration is required without external feedback components. It is suitable for applications demanding high common-mode rejection and low drift. Consider alternative models if variable gain or single-supply operation is necessary, as this part requires dual rails.

Part Context

This part belongs to the INA10x series of precision differential amplifiers. These devices integrate a complete instrumentation amplifier circuit into a single monolithic chip. The family is designed for applications requiring high accuracy and stability without the complexity of discrete resistor networks.

Replacement Considerations

The INA106U serves as the standard non-compliant equivalent. Other units within the INA10x family offer similar functionality but may differ in gain settings or package types.