AS2533,669-1508,AS2533 帧调节器和线路接口, 5 V, 28针 SOIC封装 ,ams
Line/Speakerphone circuit
Serial Interface
Enhanced voice switching
Background noise monitoring
Tx- and Rx-gain programmable
Digital volume control of Rx signals
Dual softclipping
Loudspeaker amplifier for loudhearing and handsfree
Automatic line loss compensation
Contains all the functions needed to build an electronic telephone set with basic features
Line Interface and Speech Circuit
Dialler
Ringer
