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NJM2173A

New Japan Radio
Part Number NJM2173A
Manufacturer New Japan Radio
Description LOW VOLTAGE MICROPHONE AMPLIFIER for PORTABLE AUDIO
Published May 7, 2005
Detailed Description j NJM2173A LOW VOLTAGE MICROPHONE AMPLIFIER for PORTABLE AUDIO s GENERAL DESCRIPTION The NJM2173 is a low voltage micr...
Datasheet PDF File NJM2173A PDF File

NJM2173A
NJM2173A

Overview
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 Compact-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 Powe...


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