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AV9120M-11

Frequency Generator for Multimedia Audio Synthesis

Integrated Circuit Systems 

Integrated

Circuit

Systems, Inc.

ICS9120-11

Frequency Generator for Multimedia Audio Synthesis

General Description

The ICS9120-11 is a high performance frequency generator.

The ICS9120-11 provides high accuracy; low jitter PLLs

meet the 0.20% frequency tolerance and -96dB signal-to-

noise ratios. Fast output clock edge rates minimize board

induced jitter.

The ICS9120-11 operates over the entire 3.0 - 5.5V range

and provides power-down to minimize energy consumption.

Features

• Generates 46.6 MHz and 33.868 MHz clocks

• Buffered REFCLK output

• 0.20% frequency accuracy

• 100ps one sigma jitter maintains 16-bit performance

• Output rise/fall times less than 2.5ns

• On-chip loop filter components

• 3.0V - 5.5V supply range

• 8-pin, 150-mil SOIC package Advance Information

Block Diagram

Pin Configuration

9120-11 Rev B 012197

8-Pin SOIC

Functionality

X1 (MHz) PD#

-

0

14.318

1

33.9

(MHz)

Low

33.868

46.6

(MHz)

Low

46.6

14.3

(MHz)

Low

14.318

Note: PD# (Pin 8) and OE (Pin 4) are internally pulled-up

to VDD and therefore may be left disconnected or driven by

open collector logic.

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