Low Voltage Microphone Amplifier for Portable Audio

Manufacturer's part number :


Manufacturer New Japan Radio

New Japan Radio

Description :

The NJM2173 is a low voltage microphone amplifier designed for portable audio items. It includes standby, two-type gain selector, and power ripple rejection adjustment circuit. It realizes very low turn-noise at standby mode. It is suitable for portable Mini-Disc, portable Compact-Disc, and other microphone amplifier application.

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  • Operating Voltage Range (2.7 to 4.5V)
  • Operating Current (2.2mA typ. at V+=2.7V)
  • Supply Current in Standby Mode (1╬╝mA max.)
  • Maximum Output Voltage (-1.5dBV typ. at THD=0.1%)
  • Internal Two-type Gain Select Function (13dB typ./ 29dB typ.)
  • Internal Standby Function
  • Power Ripple Rejection Terminal (95dB typ. at Gv=13dB)
  • Bipolar Technology
  • Package Outline (SSOP14)
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Number of channels 2  

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Operating voltage (V) 2.7 to 4.5  
Stand-by Yes  
Mute Yes  
Package outline SSOP-14