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AD9553 - Flexible Clock Translator

Description

The AD9553 is a phase-locked loop (PLL) based clock translator designed to address the needs of passive optical networks (PON) and base stations.

The device employs an integer-N PLL to accommodate the applicable frequency translation requirements.

Features

  • Input frequencies from 8 kHz to 710 MHz Output frequencies up to 810 MHz LVPECL and LVDS (up to 200 MHz for CMOS output) Preset pin-programmable frequency translation ratios cover popular wireline and wireless frequency.

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Full PDF Text Transcription

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Flexible Clock Translator for GPON, Base Station, SONET/SDH, T1/E1, and Ethernet AD9553 FEATURES Input frequencies from 8 kHz to 710 MHz Output frequencies up to 810 MHz LVPECL and LVDS (up to 200 MHz for CMOS output) Preset pin-programmable frequency translation ratios cover popular wireline and wireless frequency applications, including xDSL, T1/E1, BITS, SONET, and Ethernet Arbitrary frequency translation ratios via SPI port On-chip VCO Accepts a crystal resonator for holdover applications Two single-ended (or one differential) reference input(s) Two output clocks (independently programmable as LVDS, LVPECL, or CMOS) SPI-compatible, 3-wire programming interface Single supply (3.
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