Datasheet > A2040A-08TT

A2040A-08TT

更新时间： 2024-10-29 20:56:55

品牌	Logo	应用领域
ALSC		驱动光电二极管逻辑集成电路
页数	文件大小	规格书
10页	454K
描述
PLL Based Clock Driver, 1 True Output(s), 0 Inverted Output(s), CMOS, PDSO8, TSSOP-8

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A2040A-08TT 数据手册

October 2003

rev 1.0

P2040A

LCD Panel EMI Reduction IC

Features

implemented in a proprietary all digital method.

ꢀ

FCC approved method of EMI attenuation.

The P2040A 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’.

Provides up to 20dB of EMI suppression.

Generates a low EMI spread spectrum clock of the

input frequency.

ꢀ

Input frequency range: 30MHz to 110MHz.

Optimized for VGA, SVGA, and higher resolution

XGA LCD Panels.

ꢀ

Internal loop filter minimizes external components

and board space.

ꢀ

Six selectable high spread ranges up to ± 2%.

Two selectable modulation rates.

SSON# control pin for spread spectrum enable

and disable options.

Applications

The P2040A is targeted towards digital flat panel

applications for notebook PCs, palm-size PCs, office

automation equipments and LCD monitors.

ꢀ

Low cycle-to-cycle jitter.

Wide operating range.

16mA output drives.

TTL or CMOS compatible outputs.

Low power CMOS design.

Supports most mobile graphic accelerator

specifications.

ꢀ

Products available for automotive temperature

range. (Refer Spread Spectrum Range Selection

Tables)

ꢀ

Available in 8-pin SOIC and TSSOP.

Product Description

The P2040A is a versatile spread spectrum frequency

modulator designed specifically for digital flat panel

applications. The P2040A reduces electromagnetic

interference (EMI) at the clock source, allowing system

wide reduction of EMI of down stream clock and data

dependent signals. The P2040A 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.

The P2040A uses the most efficient and optimized

modulation profile approved by the FCC and is

Alliance Semiconductor

2575, Augustine Drive • Santa Clara, CA • Tel: 408.855.4900 • Fax: 408.855.4999 • www.alsc.com

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

12 3 4 5 6 7...10

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与A2040A-08TT相关器件

型号	品牌	获取价格	描述	数据表
A2040C-08SR	ALSC	获取价格	PLL Based Clock Driver, 1 True Output(s), 0 Inverted Output(s), CMOS, PDSO8, SOIC-8
A2040C-08ST	ALSC	获取价格	PLL Based Clock Driver, 1 True Output(s), 0 Inverted Output(s), CMOS, PDSO8, SOIC-8
A2040C-08TR	ALSC	获取价格	PLL Based Clock Driver, 1 True Output(s), 0 Inverted Output(s), CMOS, PDSO8, TSSOP-8
A2040C-08TT	ALSC	获取价格	PLL Based Clock Driver, 1 True Output(s), 0 Inverted Output(s), CMOS, PDSO8, TSSOP-8
A204-1	AMPHENOL	获取价格	Circular Connector, 3 Contact(s), Aluminum Alloy, Male, Receptacle,
A204102	COOPER	获取价格	30A, BARRIER STRIP TERMINAL BLOCK, 1 ROW, 1 DECK
A20410200A1	EATON	获取价格	Single Row Terminal Blocks
A20410200A9	EATON	获取价格	Single Row Terminal Blocks
A20410200AB	EATON	获取价格	Single Row Terminal Blocks
A20410200B1	EATON	获取价格	Single Row Terminal Blocks

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