General Description

The SA2532P is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone.

The device incorporates LD/MF repertory dialling, melody generation, ring frequency discrimination and a high quality speech circuit.

Key Features

• Speech Circuit, LD/MF Dialler and Tone Ringer

on one 28 pin CMOS chip

•Low Noise

• 31 digit Last Number Redial

• Line Loss Compensation selectable by pin

option

• 2 Timed Break Recall keys

• Moving Cursor protocol with comparison

• On chip MF filter (CEPT CS 203 compatible)

• Pause key for auto pause or wait function

• Power down mode

• Ring frequency discrimination

• Selectable Loop-Disconnect or DTMF dialling modes

• Real or complex impedance programmable

• Soft Clipping to avoid harsh distortion

• Uses inexpensive 3.58MHz ceramic resonator

• Operating range from 13 to 100 mA

• 3 Tone melody generator