NJW1124 Datasheet Voice Switched Speakerphone circuit

Manufacturer: New Japan Radio

Overview: NJW1124 Voice Switched Speakerphone circuit ! GENERAL.

NJW1124 voice switched speakerphone circuit by New Japan Radio - Datasheet Preview

Datasheet Details

Part number	NJW1124
Manufacturer	New Japan Radio
File Size	472.61 KB
Description	Voice Switched Speakerphone circuit
Download	NJW1124 Download (PDF)

General Description

The NJW1124 is a Voice Switched Speakerphone Circuit.

NJW1124 includes all of functions processing a high quality hands–free speakerphone system, such as the necessary amplifiers ( Microphone , Receive ,Line), attenuators, level detectors functions.

All external capacitors are sufficient small so that ceramic capacitors are applied.

Key Features

Operating voltage range.
Force to Receive, Transmit, or Idle modes.
Mode.
watching monitor.
Attenuator gain range between Transmit and Receive.
Microphone amplifier with mute function.
Background noise monitor for each path.
Volume control range.
4-point signal sensing.
Microphone and Receive Amplifiers pinned out for flexibility.
Package Outline 2.9 to 4.5V 52dB 40dB SSOP32 !.

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