Voice Switched Speakerphone circuit
Data Sheet
Features
- Operating voltage range (2.9 to 4.5V)
- Force to Receive, Transmit, or Idle modes
- Mode-watching monitor
- Attenuator gain range between Transmit and Receive (52dB)
- 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 (SSOP32)
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.
Applications
- Video Door Phone
- Conference System
- Wireless Application
- Security System
Package Information
Sample & Buy
