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DATASHEET
ISL1561
Fixed Gain Dual Port Class-G Differential xDSL Line Driver
FN7941 Rev 1.00 February 26, 2013
The ISL1561 is a fixed gain dual port class-G differential amplifier designed for driving full rate ADSL2+ and VDSL2 signals at very low power dissipation. The driver runs on a single +14V power supply and internally generates higher supply voltages when needed to enable power efficient operation for high peak-to-average ratio (PAR) ADSL2+ and VDSL2 signals.
In ADSL2+ mode of operation with full 19.8dBm transmit signal power across 100 line load, each port consumes only 520mW of power, while with 19.5dBm VDSL2 8b profile a port consumes 610mW of power. In VDSL2 17a mode of operation with 14.5dBm transmit power, a port will consume 411mW of power.