NJW1128
com
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
! FEA...