Datasheet Summary
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Voice Switched Speakerphone Circuit with Speaker Amplifier
! 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. All external capacitors are sufficient small so that ceramic capacitors are applied.
! PACKAGE OUTLINE
NJW1128FR3
! APPLICATION
- Video Door Phone
- Conference System
- Wireless Application
- Security System
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