NJW1124 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.
NJW1124 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