GENERAL DESCRIPTION

The AK2548 is the 7 channel E1 transceiver for a SDH/SONET MUX, M13 MUX, etc.

It includes seven independent transmitters, clock and data recovery, LOS detector, control circuit in one LQFP-144 package which saves space, power consumption and the board design time.

Internally generated transmit pulse provides the appropriate pulse shape.

FEATURE

● 7ch E1 transceiver

● Jitter Tolerance: Compliant with ITU-T G.823, I.431

● Transmitter Pulse Shape: Compliant with ITU-T G.703

● Loss of Signal Detection: Compliant with ITU-T G.775

● Return loss: Compliant with ETS 300 166

● Selectable Signal Polarity

● Local/Remote Loopback

● Parallel/Serial Microprocessor Interface

● Single 3.3V±5 Operation

● Low Power Consumption

● Pin-to-pin compatible with AK2546(7 channel T1 transceiver) except serial interface

● Small Plastic Package 144pin LQFP