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AK8158A - Multi Clock Generator

Description

The AK8158A is a member of AKM’s low power multi clock generator family designed for a feature rich DTV or STB, requiring a range of system clocks with high performance.

Features

  • 27MHz Crystal Input Four Frequency-Selectable Clock Outputs One 27MHz-Reference Output Selectable Clock out Frequencies: - 74.1758, 74.250MHz - 25.000MHz - 4.9152, 12.000, 24.000,24.576MHz - 33.333MHz Built-in VCXO - Pull Range: ±110ppm (Min. ) Low Jitter Performance - Period Jitter: 30psec typ. (1σ) at CLK1-4 - Long Term Jitter: 150psec typ. (1σ) 74.1758MHz 30psec typ. (1σ) at REFOUT Low Current Consumption: 16.5mA typ. at 3.3V Supply Voltage: 2.85.
  • 3.6V Operating Temperature Range: -20.

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Datasheet Details

Part number AK8158A
Manufacturer AKM
File Size 336.94 KB
Description Multi Clock Generator
Datasheet download datasheet AK8158A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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[AK8158A] AK8158A Multiclock Generator with VCXO 1. General Description The AK8158A is a member of AKM’s low power multi clock generator family designed for a feature rich DTV or STB, requiring a range of system clocks with high performance. The AK8158A generates different frequency clocks from a 27MHz crystal oscillator and provides them to up to four outputs configured by pin-setting. The on-chip VCXO accepts a voltage control input to allow the output clocks to vary by ±110 ppm for synchronizing to the external clock system. Both circuitries of VCXO and PLL in AK8158A are derived from AKM’s long-term-experienced clock device technology, and enable clock output to perform low jitter and to operate with very low current consumption. The AK8158A is available in a 20-pin QFN package. 2.
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