NJU72344V-TE1

Audio Special Purpose Overview

The NJU72344V-TE1 is a 4-channel electronic volume IC manufactured by Nisshinbo Micro Devices. It provides independent volume control for four channels with a range of 0dB to -95.5dB in 0.5dB steps. The device features a 2-wire serial bus interface (SDA/SCL) for digital control and includes an external mute terminal. Key electrical specifications include a typical Total Harmonic Distortion (THD) of 0.001% and an output noise voltage of -114dBV. The component is housed in a 14-pin LSSOP package.

Audio Special Purpose Feature Summary

• 4-channel independent electronic volume control
• Volume adjustment range: 0dB to -95.5dB in 0.5dB steps
• 2-wire serial bus interface (SDA, SCL)
• External hardware mute control terminal
• Low distortion (Typ. 0.001%) and low noise (-114dBV)

Audio Special Purpose Applications

• Audio systems requiring precise multi-channel volume adjustment
• Consumer electronics with multi-channel audio processing
• Professional audio equipment needing low distortion performance

Audio Special Purpose Procurement Notes

Verify the specific ordering suffix TE1 corresponds to the Tape & Reel packaging configuration (Standard Package: 2,000). Confirm that the 14-LSSOP package dimensions align with the target PCB land pattern requirements before finalizing procurement orders.

Audio Special Purpose Selection Notes

Select this component when a 4-channel solution with integrated zero-cross detection is required. Ensure the design accommodates the supply voltage range specified in the datasheet. Verify that the 2-wire serial interface timing parameters meet the system controller's clock and data setup/hold time requirements.

Audio Special Purpose Part Context

This part belongs to the NJU72 series of audio signal processing ICs manufactured by Nisshinbo Micro Devices. It serves as a specialized volume control unit within the broader portfolio of audio amplifiers and switches offered by the manufacturer.

Audio Special Purpose Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Evaluate alternative 4-channel electronic volumes based on matching pinout, supply voltage, and serial interface compatibility if replacement is necessary.