NJM2174V-TE2#

Overview

The NJM2174V-TE2 is a low-voltage audio line amplifier manufactured by Nisshinbo Micro Devices Inc. It operates within a supply voltage range of 4.5 to 5.5 V and draws a typical operating current of 2.5 mA at 5 V. The device features a closed-loop voltage gain of 3.5 dB at 1 kHz and provides a maximum output voltage of 4 dBV at 0.1% THD. It incorporates a mute function with a typical attenuation of -85 dB and a supply voltage rejection ratio of 60 dB. The component utilizes bipolar technology and is housed in an SSOP-14 package.

Feature Summary

• Integrated mute circuit for reducing turn-on/off noise
• Low power consumption suitable for battery-operated devices
• High channel separation for stereo audio applications

Applications

• Digital audio items with line out
• Amplification of small line signals in digital audio equipment
• Audio line amplifiers requiring low voltage operation

Procurement Notes

Verify the exact part number suffix against official manufacturer documentation, as ordering codes may indicate specific packaging or environmental compliance variations. Confirm availability status directly with authorized distributors or the manufacturer, as stock levels and lead times are subject to change. Ensure the component meets all required electrical specifications for your specific application before finalizing procurement decisions.

Selection Notes

Select this component for applications requiring a dedicated audio line amplifier with integrated mute functionality. It is optimized for low-voltage systems operating between 4.5 V and 5.5 V. Consider its bipolar technology characteristics and SSOP-14 package constraints when designing the PCB layout. Verify that the 3.5 dB internal gain aligns with your signal chain requirements without excessive external amplification.

Part Context

The NJM2174V-TE2 belongs to the NJW2174 series of audio line amplifiers produced by Nisshinbo Micro Devices. This series is designed specifically for consumer electronics and digital audio peripherals where space and power efficiency are critical. The device integrates both left and right channel amplification within a single compact package, simplifying design complexity for stereo audio outputs.

Replacement Considerations

Public confirmed substitute part numbers: None identified in source material.