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AK8138C

Part Number	AK8138C
Manufacturer	AKM
Description	Multi Clock Generator
Published	May 11, 2014
Detailed Description	AK8138C Low power Multiclock Generator with VCXO AK8138C Features 27MHz Crystal Input Four Frequency-Selectable Clock O...
Datasheet	AK8138C PDF File

Overview

AK8138C Low power Multiclock Generator with VCXO AK8138C 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) Description The AK8138C 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 AK8138C 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 AK8138C 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 AK8138C is available in a 16-pin SSOP package.
Applications Digital TV Sets Personal Video Recorders Set-Top-Boxes Multi Media Receivers Block Diagram VDD X1 Voltage Controlled Crystal Oscillator PLL1 PLL1 CLK1 X2 VIN PLL2 Divide Logic and Output Control CLK2 PLL3 S0 S1 S2 CLK3 CLK4 REFOUT GND AK8138C Multi Clock Generator MS1137-E-02 -1- Dec-2013 http://www.
Datasheet4U.
com AK8138C Pin Descriptions Package: 16-Pin SSOP(Top View) X1 S0 S1 VIN VDD1 GND1 CLK1 CLK2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 X2 VDD3 S2 VDD2 GND2 CLK4 CLK3 REFOUT Pin No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin Name X1 S0 S1 VIN VDD1 GND1 CLK1 CLK2 REF OUT CLK3 CLK4 GND2 VDD2 S2 VDD3 X2 Pin Type XO IN IN IN --...

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