MK2731-04S 데이터 시트보기 (PDF) - Integrated Circuit Systems

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MK2731-04S

MPEG Audio Clock

Integrated Circuit Systems 

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

S2:S0

X1

14.40 MHz

crystal

X2

3

Crystal

Oscillator

VDD GND

3

3

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

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