AK8141

Programmable Clock Generator

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Description

The AK8141 is a single clock generator IC with an integrated PLL. It can generate a 27.0MHz – 50.0MHz by 1MHz step or 33.75MHz, 40.5MHz, 49.5MHz clock from a 48MHz, 24MHz, 12MHz and 27MHz master clock input frequency. The output can be enabled or disabled with pin and the frequency can be changed via three-line serial interface. The high performance PLL locks to the master clock input, generating a low jitter, highly accurate clock output without an external crystal.

Key Features

• Input Frequency:

  48MHz/24MHz/12MHz/27MHz (Selectable)

• Output Frequency:

  27MHz – 50MHz by 1MHz step,

  33.75MHz/40.5MHz/49.5MHz (Selectable)

• Low Jitter Performance:

  15 ps (Typ.) Period 1

• Low Current Consumption:

  3.5mA (Typ.) at 27MHz, 3.0V

  4.5mA (Typ.) at 50MHz, 3.0V

• Output Load:

  15pF(Max)

• Supply Voltage:

  2.7 – 3.6V

• Operating Temperature Range:

  -20 to +85℃

• Package:

  8-pin USON

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Block Diagram

Block Diagram

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