AK8130C

Multi Clock Generator with VCXO

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Description

The AK8130C is a member of AKEMD’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 AK8130C 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 AK8130C are derived from AKEMD’s long-term-experienced clock device technology, and enable clock output to perform low jitter and to operate with very low current consumption. The AK8130C is available in a 16-pin SSOP package.

Key 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:

150 psec (Typ.) at CLK1-4

- Long Term Jitter :

      0.85ns (Typ.) 74.1758MHz

160 psec (Typ.) at REFOUT

Low Current Consumption:

16.5mA (Typ.) at 3.3V

Supply Voltage:

3.0 – 3.6V

Operating Temperature Range:

-20 to +85℃

Package:

16-pin SSOP (Lead free)

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Block Diagram

Block Diagram

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