MT88L70 Datasheet (Mitel Networks Corporation) - 3 Volt Integrated DTMF Receiver

MT88L70, 3 Volt Integrated DTMF Receiver

VDD VSS VRef INH Bias Circuit VRef Buffer Chip Chip Power Bias High Group Filter Digital Detection Algorithm Code Converter and Latch Dial Tone Filter Zero Crossing Detectors Low Group Filter to all Chip Clocks St GT Steering Logic OSC1 OSC2 St/GT ESt STD Ordering Information MT88L70AC 18 Pin Ceram

MT88L70 Features

* 2.7 - 3.6 volt operation Complete DTMF receiver Low power consumption Internal gain setting amplifier Adjustable guard time Central office quality Power-down mode Inhibit mode ISSUE 2 May 1995 Functionally c