Description
The AK8130B 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 AK8130B 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 AK8130B 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 AK8130B is available in a 16-pin SSOP package.

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, 48.000MHz
   - 24.576, 33.333MHz
■ Built-in VCXO
   - Pull Range: ±110ppm (Min.)
■ Low Jitter Performance
   - Period Jitter:
      150 psec (Typ.) at CLK1-4
   - Long Term Jitter :
      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)
  
Applications
■ Digital TV Sets
■ Personal Video Recorders
■ Set-Top-Boxes
■ Multi Media Receivers