MT88L85 Datasheet (Mitel Networks Corporation) - 3V Integrated DTMFTransceiver

MT88L85, 3V Integrated DTMFTransceiver

The MT88L85 is a monolithic DTMF transceiver with call progress filter.

It is fabricated in CMOS technology offering low power consumption and high reliability.

TONE IN+ INGS OSC1 OSC2 + - m o .c U 4 t e e h S a t a .D w w w ∑ D/A Converters Row and Column Counters Transmit Data Register Status

MT88L85 Features

* External power down pin Low voltage operation (2.7V - 3.6V) Central office quality DTMF transmitter/ receiver Low power consumption Adjustable guard time High speed adaptive micro interface Automatic tone burst