Multi Clock Generator with XO

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The AK8133 is a member of AKM’s low power multi clock generator family designed for a high quality audio cock with high performance C/N. The AK8133 generates different frequency clocks from a 27MHz crystal oscillator or external 27MHz clock input. It provides them to up to four outputs configured by pin-setting. Both circuitries of XO and PLL in AK8133 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 AK8133 is available in a 16-pin SSOP package.

Key Features

27MHz Crystal Input or External Input

Four Frequency-Selectable Clock Outputs

One 27MHz-Reference Output

Selectable Clock out Frequencies:

- CLK1: 24.576,36.864MHz

- CLK2: 4.096,8.192,11.2896,12.288,16.384


- CLK3: 8.4672,12.288,16.9344,18.432


- CLK4: 16.9344,33.8688MHz

Built-in XO

Low Jitter Performance

- Period Jitter:

30 psec (Typ.) at CLK1-4

- Long Term Jitter:

60 psec (Typ.) at CLK1-4

Low Current Consumption:

18.0mA (Typ.) at 3.3V

Supply Voltage:

2.85V to 3.6V

Operating Temperature Range:

-40℃ to +85℃


16-pin SSOP (Lead free)

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Block Diagram

Block Diagram

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