NJW1128 Datasheet Voice Switched Speakerphone Circuit

Manufacturer: New Japan Radio

Overview: NJW1128 www.DataSheet4U.com Voice Switched Speakerphone Circuit with Speaker Amplifier !

Datasheet Details

Part number	NJW1128
Manufacturer	New Japan Radio
File Size	290.87 KB
Description	Voice Switched Speakerphone Circuit
Datasheet	NJW1128_NJRCorporation.pdf

General Description

The NJW1128 is a Voice Switched Speakerphone Circuit.

It includes all of functions processing a high quality hands–free speakerphone system, such as the necessary amplifiers ( Mic , Receive ,Line, Speaker ), attenuators, level detectors functions.

The NJW1128 is controllable independently power-down of the speaker amplifier and the entire IC excluding the speaker amplifier.

Key Features

q q q q q q q q q Operating voltage range Attenuator gain range between Transmit and Receive Speaker amplifier Microphone amplifier with mute function Force to Receive, Transmit, or Idle modes Mode.
watching monitor Background noise monitor for each path 4-point signal sensing Chip disable Pin powers down the entire IC excluding the speaker amplifier q Speaker switch Pin power down the speaker amplifier q Microphone and Receive Amplifiers pinned out for flexibility q Package Outline C8 R.

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