AS2534E

Data Sheet AS2533...6 Multi-Standard CMOS Single Chip ® Telephone IC with Dual Soft Clipping Austria Mikro Systeme International AG General Description Key Features The AS253x is a CMOS integrated circuit that contains u Line/speech circuit, LD/MF repertory dialler and tone ringer on one 28 pin CMOS chip all the functions needed to form a high performance electronic telephone. u Operating range from 13 to 100 mA (down to 5 mA with reduced performance) u Soft clipping to avoid harsh distortion u Volume control of receive signal The device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality line/speech circuit. u Line loss compensation selectable by pin option u Low noise (max. - 72 dBmp) u Real or complex impedance u NET 4 compatible u LD/MF switchable dialling u Pacifier tone during programming A RAM is on chip for a 31 digit last number redial and memories (not AS2534) each containing up to 21 digits/ data. The slidi...