AK8126 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK8126

Spread Spectrum Clock Generator

Asahi Kasei Microdevices 

ASAHI KASEI EMD CORPORATION

Spread Spectrum

Clock Generator

AK8126

Features

Output Frequency Range:

16MHz – 128MHz

Configurable Spread Spectrum Modulation:

- AKEMD’s Original Spread Spectrum

Profile

- Modulation Ratio:

Center Spread:

±0.25%, ±0.5%, ±1.0%, ±1.5%

Down Spread:

-0.5%, -1.0%, -2.0%, -3.0%

- Modulation Frequency:

38.46KHz – 76.92KHz

Input Frequency Range:

- Crystal: 16MHz – 32MHz

- Reference Clock Input : 16MHz – 128MHz

Low Jitter Performance:

100 ps (Max.) Cycle-to-cycle 1s

Low Current Consumption:

2.5mA (Typ.) at 16MHz, 3.3V

Supply Voltage:

3.0 – 3.6V

Operating Temperature Range:

-10 to +85℃

Package:

10-pin TMSOP (Thin Miniature SOP )

Description

The AK8126 is a spread spectrum clock generator

designed for Home AV applications where EMI

elimination is seriously required. The device uses

the AKEMD’s original spread spectrum profile** to

provide excellent EMI reduction effect without

degradation of system performance. The AK8126

accepts a wide clock frequency range from a

crystal or reference clock input, and provides a

variable spread spectrum modulation selectable by

pin-setting, allowing the device to use in most AV

products easily. The device is available in a very

small 10-pin TMSOP package, and its pin

configuration offers simple PCB layout.

**: Patent pending

Applications

Digital TV Sets

Display Panels

Personal Video Recorders

Set-Top-Boxes

Multi Media Receivers

Block Diagram

Crystal or

Clock Input XIN

C1

*C2 XOUT

* Capacitors, C1 S1

and C2 are

required for

Crystal input.

S0

C/D/OFF

FR1

FR0

Crystal

Oscillator

PLL

with Spread

Spectrum

modulator

Control

Logic

CKOUT

VSS

VDD

AK8126 Spread Spectrum Clock Generator

MS0548-E-01

-1-

Nov-07

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