VERSATILE SINGLE CHIP TELEPHONE
sames
SA2532
SA2532 A/C/U
VERSATILE SINGLE CHIP TELEPHONE
FEATURES n Speech circuit, LD/MF Dialler and Tone
Ringer on...
Description
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...
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