INA137UA/2K5

Overview

The INA137UA/2K5 is a high-precision, wide-bandwidth difference amplifier manufactured by Texas Instruments. It features an e-trim architecture for enhanced accuracy and stability. The device operates on dual supplies ranging from ±4.5V to ±18V and supports an extended industrial temperature range of -55°C to 125°C. Packaged in an 8-SOIC surface-mount format, it provides differential output capabilities suitable for demanding audio applications.

Feature Summary

• High-precision e-trim architecture ensures stable gain performance
• Wide bandwidth capability supports high-fidelity signal processing
• Differential input configuration rejects common-mode noise effectively

Applications

• Audio differential line receivers
• Professional audio preamplifiers
• High-fidelity audio equipment

Procurement Notes

Verify the specific suffix '2K5' indicates tape-and-reel packaging when ordering. Confirm RoHS3 compliance status with the manufacturer prior to final procurement decisions. Ensure supply chain sources are authorized distributors to guarantee component authenticity and traceability throughout the production lifecycle.

Selection Notes

Select this component for circuits requiring precise differential amplification in noisy environments. The wide operating voltage range allows flexibility in power supply design. Consider the SOIC package dimensions for PCB layout constraints. Verify that the required bandwidth exceeds standard operational amplifier limits for optimal audio performance.

Part Context

This part belongs to the INA137 family of difference amplifiers designed specifically for audio applications. It serves as a specialized solution for converting single-ended signals to differential or vice versa with high common-mode rejection. The series is known for its robustness in professional audio systems where signal integrity is critical.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.