AS2525
AS2525 is Single-Chip Handsfree Phone CMOS Integrated Circuit manufactured by austriamicrosystems AG.
Preliminary
Single-Chip Handsfree Phone CMOS Integrated Circuit
Austria Mikro Systeme International AG
Key Features q Line/speech handsfree circuit, LD/MF repertory dialler, and tone ringer on one 44 pin CMOS chip q Operating range from 15 to 100 mA line current (down to 5 mA with slightly reduced performance) q All significant parameters programmable with external EEPROM q Volume control of receiver signal q Handsfree function with enhanced voice switching q Low noise (max. -72 dBmp) q Unique EMC performance q LD/MF switchable dialling with temporary MF mode q Repertory dialling with last number redial and memory dialling (8 x 2 direct and 10 indirect) q Call restriction with...
