KA8501A - Samsung

KA8501A SPEECH NETWORK WITH DIALER INTERFACE

KA8501A SPEECH NETWORK WITH DIALER INTERFACE INTRODUCTION 16-DIP-300A The KA8501A is a telephone speech network integrated circuit which includes transmit amp, receive amp, DTMF amp, voltage regulator, line equalizer, voltage comparator. It handles the voice signal, performing the 2/4 wires interface and changing the gain on both sending and receiving ampl.

Features

• Adjusts sending and receiving attenuation length
• Regulated voltage for dialer
• Linear interface for DTMF
• Suitable for ceramic transducers
• Mute function ORDERING INFORMATION Device KA8501A Package 16-DIP-300A Operating Temperature - 45°C ~ + 70°C PIN CONFIGURATION MIC1 1 2 3 4 KA8501A 5 6 7 8 16 15 14 13 12 11 10 9 MIC2 V+ VDD MUTING MF BIAS ADJ. RXO2 REGULATOR RXO1 RXI + REGULATOR LINE CURRENT RXI - ZBAL SWITCH V- Fig. 1 KA8501A SPEECH NETWORK WITH DIALER INTERFACE ABSOLUTE MAXIMUM RATINGS Characteristic Line Voltage (3msec max) Forward Line Current Reverse Line.