Datasheet > P1707A

P1707A

更新时间： 2024-11-25 05:58:47

品牌	Logo	应用领域
PULSECORE		电脑
页数	文件大小	规格书
7页	173K
描述
Notebook LCD Panel EMI Reduction IC

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P1707A 数据手册

February 2007

rev 1.3

P1707A

Notebook LCD Panel EMI Reduction IC

Features

the clock source, allowing system wide reduction of EMI of

down stream clock and data dependent signals. The

P1707A allows significant system cost savings by reducing

the number of circuit board layers ferrite beads, shielding

and other passive components that are traditionally

required to pass EMI regulations.

•

FCC approved method of EMI attenuation.

Generates a low EMI spread spectrum clock of the

input frequency.

•

Optimized for frequency range from 60MHz to

175MHz.

Internal loop filter minimizes external components

and board space.

The P1707A modulates the output of a single PLL in order

to “spread” the bandwidth of a synthesized clock, and more

importantly, decreases the peak amplitudes of its

harmonics. This results in significantly lower system EMI

compared to the typical narrow band signal produced by

oscillators and most frequency generators. Lowering EMI

by increasing a signal’s bandwidth is called ‘spread

spectrum clock generation’.

•

Four selectable spread ranges.

Low inherent Cycle-to-cycle jitter.

3.3V Operating Voltage.

Ultra-low power CMOS design.

•

14.85 mA @3.3V, 140MHz

16.69 mA @3.3V, 162MHz

17.78 mA @3.3V, 175MHz

•

Supports notebook VGA and other LCD timing

controller applications.

Pinout compatible to ICS MK1707 and Cypress

CY25561/CY25560.

SSON/SBM pin for Spread Spectrum On/Off and

Standby Mode controls.

Available in 8-pin SOIC and TSSOP Packages.

The P1707A uses the most efficient and optimized

modulation profile approved by the FCC and is

implemented in a proprietary all digital method.

Applications

The P1707A is targeted towards notebook LCD displays,

and other displays using an LVDS interface, PC peripheral

devices, and embedded systems.

Product Description

The P1707A is a versatile spread spectrum frequency

modulator designed specifically for input clock frequencies.

The P1707A reduces electromagnetic interference (EMI) at

VDD

SR0 SR1 SSON/SBM

Block Diagram

PLL

Modulation

CLKIN

Frequency

Divider

Output

Divider

Phase

Loop

Filter

VCO

Detector

Feedback

Divider

ModOUT

VSS

PulseCore Semiconductor Corporation

1715 S. Bascom Ave Suite 200, Campbell, CA 95008 • Tel: 408-879-9077 • Fax: 408-879-9018

www.pulsecoresemi.com

Notice: The information in this document is subject to change without notice.

12 3 4 5 6 7

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与P1707A相关器件

型号	品牌	获取价格	描述	数据表
P1707A-08SR	ALSC	获取价格	Notebook LCD Panel EMI Reduction IC
P1707A-08ST	ALSC	获取价格	Notebook LCD Panel EMI Reduction IC
P1707A-08TR	ALSC	获取价格	Notebook LCD Panel EMI Reduction IC
P1707A-08TT	ALSC	获取价格	Notebook LCD Panel EMI Reduction IC
P1707AF-08SR	PULSECORE	获取价格	Notebook LCD Panel EMI Reduction IC
P1707AF-08ST	PULSECORE	获取价格	Notebook LCD Panel EMI Reduction IC
P1707AF-08TR	PULSECORE	获取价格	Notebook LCD Panel EMI Reduction IC
P1707AF-08TT	PULSECORE	获取价格	Notebook LCD Panel EMI Reduction IC
P1707AG-08SR	PULSECORE	获取价格	Notebook LCD Panel EMI Reduction IC
P1707AG-08ST	PULSECORE	获取价格	Notebook LCD Panel EMI Reduction IC

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