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MK3771-17 - VCXO and HDTV Set-Top Clock Source

General Description

The MK3771-17 is a low cost, low jitter, high-perfomance VCXO and clock synthesizer designed for set-top boxes and HDTV receivers.

The on-chip Voltage Controlled Crystal Oscillator accepts a 0 to 3.3 V input voltage to cause the output clocks to vary by ±100 ppm.

Key Features

  • Packaged in 28-pin SSOP Available in Pb (lead) free package HDTV frequencies of 74.25 and 74.175824 MHz On-chip patented VCXO with pull range of 200 ppm (minimum) VCXO tuning voltage of 0 to 3.3 V Supports Ethernet with 20 and 25 MHz clocks Modem clocks of 11.0592 and 24.576 MHz option Audio clocks support 32 kHz, 44.1 kHz, 48 kHz and 96 kHz sampling rates track 27MHz VCXO).
  • Zero ppm synthesis error in all.

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Datasheet Details

Part number MK3771-17
Manufacturer ICST
File Size 210.22 KB
Description VCXO and HDTV Set-Top Clock Source
Datasheet download datasheet MK3771-17 Datasheet

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www.DataSheet4U.com MK3771-17 VCXO and HDTV Set-Top Clock Source Description The MK3771-17 is a low cost, low jitter, high-perfomance VCXO and clock synthesizer designed for set-top boxes and HDTV receivers. The on-chip Voltage Controlled Crystal Oscillator accepts a 0 to 3.3 V input voltage to cause the output clocks to vary by ±100 ppm. Using ICS’s patented VCXO and analog Phase-Locked Loop (PLL) techniques, the device uses an inexpensive 13.5 MHz crystal input to produce multiple output clocks including selectable BCLK, a selectable audio clock, two communications clocks, a 13.5 MHz clock, and three 27 MHz clocks. All clocks are frequency locked to the 27 MHz output (and to each other) with zero ppm error, so any output can be used as the VCXO output.