MPEG Audio Clock
PRELIMINARY INFORMATION
MK2731-04C MPEG Audio Clock
Description
The MK2731-04 is a low cost, low jitter, high performa...
Description
PRELIMINARY INFORMATION
MK2731-04C MPEG Audio Clock
Description
The MK2731-04 is a low cost, low jitter, high performance clock synthesizer designed to replace expensive discrete clock oscillators in MPEG audio applications. Using ICS/MicroClock’s patented analog/digital Phase-Locked Loop (PLL) techniques, the device uses an inexpensive 14.4 MHz crystal input to produce all of the popular audio sampling frequencies. ICS manufactures the largest variety of Set-Top Box and multimedia clock synthesizers for all applications. Consult ICS to eliminate VCXOs, crystals and oscillators from your board.
Features
Packaged in 16 pin narrow SOIC Replaces multiple oscillators 3.3V or 5V operation Uses an inexpensive 14.4 MHz crystal Supports 32 kHz, 44.1 kHz, 48 kHz, and 96 kHz audio sampling rates Has 256x, 384x, and 512x sampling rates compatible with every popular audio DAC Zero ppm synthesis error 25 mA output drive capability at TTL levels Advanced, low power, sub-micron CMOS process
Block Diagram
VDD 3 3 GND 3
S2:S0
X1
14.40 MHz crystal
X2
Crystal Oscillator
PLL/Clock Synthesis Circuitry ÷2
Output Buffer Output Buffer
CLK2
CLK1
MDS 2731-04 CA
1
Revision 122799
Printed 11/16/00
Integrated Circuit Systems, Inc. 525 Race Street San Jose CA 95126 (408)295-9800tel www.icst.com
PRELIMINARY INFORMATION
MK2731-04C MPEG Audio Clock
Pin Assignment
Output Clocks Select Table (MHz)
16 15 14 13 12 11 10 9 DC DC S0 S1 DC CLK2 VDD CLK1
S2 Pin 8 0 0...
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