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NJM2173A Series
Low Voltage Microphone Amplifier for Portable Audio

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Description

The NJM2173A 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.

Spec

Standard
Supply Voltage 2.7V to 4.5V
Channel 2ch.
Voltage Gain Typ. +13dB / +29dB
Stand-by Yes
Mute Yes
Operating Current 2.2mA typ. at V+=2.7V
Wide Operating Temperature -20°C to 75°C
Junction Temp. 125°C
Package SSOP14
Features Built-in Regulator for Microphone
Note 1 Internal Two-type Gain Select Function (13dB typ./ 29dB typ.)
Note 2 Supply Current in Standby Mode (1µmA max.)

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Protections / Functions

Stand-by Mute Fine Tune Sensitivity

Functional Description

Functional Description

Search for similar products under conditions below.

Category:Audio Amplifiers

Sub Ctegory Microphone Amp.
Channel(ch) 2
Supply Voltage
min(V)		 2.7
Supply Voltage
max(V)		 4.5
Voltage Gain(dB) +13/+29dB

Technical Documents

Quality & Packages

Product Name Compatibility Package Marking Reliability
NJM2173AV
  • gradeConsumer
 SSOP14 - NJM-1-s-fr
  • Refer to the datasheets for the details on the product.
  • The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.

Buy / Contact

  • Purchase, Request for samples and documents
    Sales are made through distributors. Please contact your local distributors for any sales-related inquiry such as price.
  • Available from 1 piece!
    Our electronic device products are available through our authorized online distributors.
  • Technical Support
NJM2173A Series