SM8703 View Datasheet(PDF) - Nippon Precision Circuits
Part Name
Description
Manufacturer
SM8703 Datasheet PDF : 12 Pages
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NIPPON PRECISION CIRCUITS INC.
SM8703AV
Clock Generator for MPEG2 System
OVERVIEW
The SM8703AV is a 27 MHz master clock, 5-system output clock generator for MPEG2 system. It has 2 built-
in PLLs that, with the addition of a single crystal oscillator element, can generate 384fs, 512fs and 768fs
clocks which are necessary for MPEG2 system, plus independent fixed-frequency 27 MHz and 33.8688 MHz
output clocks. Each output can stop unused output by using disable function, therefore, unnecessary radiation
can be suppressed. Also, visual and audio synchronous is not disrupted since each output frequency is kept in
the normal ratio. Supported sampling frequencies (fs) include 44.1 or 48 kHz.
FEATURES
s 27 MHz master clock (internal PLL reference
clock)
s Generated clocks
• 27 MHz output
• 33.8688 MHz output
• 384fs output
• 512fs output
• 768fs output
s Sampling frequency fs
• 44.1/48 kHz
s Output disable function
s Low jitter output: 100 ps (typ, 15pF load)
s Supply voltage: 3.3 V
s 24-pin VSOP package
APPLICATIONS
s DVD players
s Set top box
s MPEG2 system
ORDERING INFORMATION
PINOUT
(Top View)
VDD 1
VSS
MO1
MCK
MLEN
VDDA
VSSA
XTI
XTO
RSV
RSV
SO1 12
24 MO2
FSEL/MDT
SO5
RSV
SO2
VDD1
VSS1
RSV
SO3
SO4
VDD2
13 VSS2
PACKAGE DIMENSIONS
(Unit: mm)
Device
SM8703AV
Package
24-pin VSOP
7.8 ± 0.1
0.15
+
−
0.05
0.02
0.65
0.1
0.22
−+
0.1
0.05
0.13 M
0 to 10
NIPPON PRECISION CIRCUITS—1
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