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NJM2173A - LOW VOLTAGE MICROPHONE AMPLIFIER for PORTABLE AUDIO

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.

Key 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 Power Ripple Rejection Terminal 95dB typ. at Gv=13dB q Bipolar Technology q Package Outline SSOP14 s PIN.

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Datasheet Details

Part number NJM2173A
Manufacturer New Japan Radio
File Size 50.94 KB
Description LOW VOLTAGE MICROPHONE AMPLIFIER for PORTABLE AUDIO
Datasheet download datasheet NJM2173A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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 Power Ripple Rejection Terminal 95dB typ.