NJM2750M

Audio Special Purpose Overview

The NJM2750 is a 4-input to 1-output stereo audio selector IC manufactured by Nisshinbo Micro Devices (formerly New Japan Radio). It utilizes internal Switch OP-AMP technology to achieve low output noise and distortion with high channel separation. The device operates on a supply voltage ranging from 3V to 18V, drawing a typical supply current of 10mA at 9V. Key electrical specifications include a typical total harmonic distortion of 0.005%, an output noise voltage of -110dBV (A-weighted), and a voltage gain of 1dB. It features dual channels for stereo applications and is housed in a 16-DMP surface-mount package.

Audio Special Purpose Feature Summary

• 4 Input / 1 Output Stereo Audio Selector configuration
• Low output noise (-110dBV typ.) and low distortion (0.005% typ.)
• Operating voltage range of 3V to 18V
• Dual channel design for stereo use

Audio Special Purpose Applications

• TV audio systems
• Car stereo equipment
• Mini-component audio systems

Audio Special Purpose Procurement Notes

The NJM2750 is officially listed as a discontinued product by the manufacturer. Availability is restricted to existing stock or secondary market sources. Verification of component authenticity and storage conditions is critical when sourcing from non-direct suppliers due to the end-of-life status.