NJM2173V Datasheet | New Japan Radio

j NJM2173A LOW VOLTAGE MICROPHONE AMPLIFIER for PORTABLE AUDIO s GENERAL 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 pact-Disc, and other microphone amplifier application. s Features q Operating Voltage Range 2.7 to 4.5V + q Operating Current 2.2mA typ. at V =2.7V q Supply Current in Standby Mode 1µA max. q Maximum Output Voltage -1.5dBV typ. at THD=0.1% q Internal Two-type Gain Select Function 13dB typ./ 29dB typ. q Internal Standby Function q...