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MK2705

Part Number	MK2705
Manufacturer	Renesas
Description	AUDIO CLOCK SOURCE
Published	Aug 6, 2020
Detailed Description	AUDIO CLOCK SOURCE DATASHEET MK2705 Description The MK2705 provides synchronous clock generation for audio sampling cl...
Datasheet	MK2705 PDF File

Overview

AUDIO CLOCK SOURCE DATASHEET MK2705 Description The MK2705 provides synchronous clock generation for audio sampling clock rates derived from an MPEG stream, or can be used as a standalone clock source with a 27 MHz crystal.
The device uses the latest PLL technology to provide good phase noise and long term jitter characteristics in a small 8-pin package.
Contact IDT if you have a requirement for an input and output frequency not included in this document.
Features • Packaged in 8-pin (150 mil wide) SOIC • Clock or crystal input • Low phase noise • Low jitter • Exact (0 ppm) multiplication ratios • Independent output voltage • Support for 256 times sampling rate Block Diagram VDD VDDO S0 S1 PLL Clock CLK Synthesis X1/REFIN 27 MHz crystal or clock input X2 Crystal Oscillator and Control Circuitry Optional crystal load capacitors GND IDT™ AUDIO CLOCK SOURCE 1 MK2705 REV E 051310 MK2705 AUDIO CLOCK SOURCE Pin Assignment X1/REFIN VDD S0 GND 1 8 2 7 3 6 4 5 8-pin SOIC X2 VDDO S1 CLK CLOCK SYNTHESIZER Output Clock Selection Table Input Output S1 S0 Frequency Frequency (MHz) (MHz) 0 0 27 0 1 27 1 0 27 1 1 27 8.
192 11.
2896 12.
288 24.
576 Pin Descriptions Pin Pin Number Name 1 X1/REFIN 2 VDD 3 S0 4 GND 5 CLK 6 S1 7 VDDO 8 X2 Pin Type Input Power Input Power Output Input Power Input Pin Description Connect this pin to a 27 MHz crystal or clock input Power supply for crystal oscillator and PLL.
Output frequency selection.
Determines output frequency per table above.
On-chip pull-up.
Connect to ground.
Clock output.
Output frequency selection.
Determines output frequency per table above.
On-chip pull-up.
Power supply for output stage.
Connect this pin to a 27 MHz crystal.
Leave open if using a clock input.
IDT™ AUDIO CLOCK SOURCE 2 MK2705 REV E 051310 MK2705 AUDIO CLOCK SOURCE CLOCK SYNTHESIZER Application Information Series Termination Resistor Clock output traces should use series termination.
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