Le87281
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LE87281NQCT (pdf) |
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LE87281NQC |
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Le87281 G.Fast Single Channel Line Driver The Le87281 is a single channel differential amplifier designed to drive G.Fast transmission signals as well as VDSL2 and ADSL2+ signals with very low power dissipation. The Le87281 contains a pair of wideband amplifiers designed with Microsemi’s HV15 Bipolar SOI process for low power consumption. The line driver gain is fixed internally. The amplifiers are powered from a single supply. The device can be programmed to one-of-three preset Bias levels or to impedance controlled Disable or Standby states. The control pins respond to input levels that can be generated with a standard tri-state GPIO. Simplified Block Diagram • Supports high frequency G.Fast transmission • Supports VDSL2 and ADSL2+ operation • Very low power dissipation Class AB operation • 5 programmable states • No external gain resistors required • Small footprint package 16-pin 4 mm x 4 mm QFN • RoHS compliant 7/7/2015 |
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