SA2532C

sames SA2532 SA2532 A/C/U VERSATILE SINGLE CHIP TELEPHONE FEATURES n Speech circuit, LD/MF Dialler and Tone Ringer on one 28 pin CMOS chip n Soft clip to avoid harsh distortion n Line Loss Compensation selectable by pin option n Power down mode n Versatile applications for different PTT demands n 31 digit last number redial n Sliding Cursor protocol with comparison n 2 Flash keys, 100 ms and 280 ms (option 600 ms) n Pause key for 3 sec Auto Pause or Wait Function n Ring frequency discrimination n Operating range from 13 to 100 mA (down to 5 mA with reduced performance) n Low noise (max. -72dBmp) n Real or Complex impedance on chip programmable n LD/MF switchable dialling n On chip MF filter (CEPT CS 203 compatible) n 3-tone melody generator with selectable repetition rates GENERAL DESCRIPTION The SA2532 is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone. The device incorporates LD/MF dialling, melody generation, ring...