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