NJW1128 Datasheet (NJR Corporation) - Voice Switched Speakerphone Circuit

NJW1128, Voice Switched Speakerphone Circuit

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 po

NJW1128 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 P