Datasheet > PCS3I2042BG-08-CR

PCS3I2042BG-08-CR

更新时间： 2024-11-03 08:30:27

品牌	Logo	应用领域
PULSECORE		光电二极管
页数	文件大小	规格书
10页	348K
描述
PLL Based Clock Driver, 3I Series, 1 True Output(s), 0 Inverted Output(s), CMOS, PDSO8, 2 X 2 MM, GREEN, TDFN-8

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中文翻译

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PCS3P2042B

LCD Panel EMI Reduction IC

Features

FCC approved method of EMI attenuation.

Product Description

The PCS3P2042B is

frequency modulator designed specifically for digital flat

panel applications. The PCS3P2042B reduces

a versatile spread spectrum

Provides up to 15dB of EMI suppression.

Generates a low EMI spread spectrum clock of the

input frequency.

electromagnetic interference (EMI) at the clock source,

allowing system wide reduction of EMI of down stream

clock and data dependent signals. The PCS3P2042B

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.

Input frequency range: 30MHz - 100MHz.

Output frequency range: 30MHz - 100MHz

Optimized for 32.5MHz, 54MHz, 65MHz, 74MHz and

108MHz pixel clock frequencies.

Internal loop filter minimizes external components and

board space.

The PCS3P2042B uses the most efficient and optimized

modulation profile approved by the FCC and is

implemented in a proprietary all digital method.

Eight selectable high spread ranges up to ±2%.

Selectable spread options: Down Spread and Center

Spread

The PCS3P2042B 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.‟

SSON# control pin for spread spectrum enable and

disable options.

Low cycle-to-cycle jitter.

3.3V ± 0.3V operating range.

Low power CMOS design.

Supports most mobile graphic accelerator and LCD

timing controller specifications.

Available in 8-pin SOIC, TSSOP and TDFN, COL

(2X2) Packages.

Applications

Commercial and Industrial temperature range.

The PCS3P2042B is targeted towards digital flat panel

applications for notebook PCs, palm-size PCs, office

automation equipments and LCD monitors.

VDD

Block Diagram

SR0 CP1 CP0 SSON#

PLL

Modulation

CLKIN

Frequency

Divider

Output

Divider

Phase

Detector

Loop

Filter

VCO

Feedback

Divider

ModOUT

VSS

JANUARY 2010 – Rev. 2

Publication Order Number:

PCS3P2042/D

12 3 4 5 6 7...10

中文翻译

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与PCS3I2042BG-08-CR相关器件

型号	品牌	获取价格	描述	数据表
PCS3I2042BG-08-ST	PULSECORE	获取价格	PLL Based Clock Driver, 3I Series, 1 True Output(s), 0 Inverted Output(s), CMOS, PDSO8, GR
PCS3I2042BG-08-TT	PULSECORE	获取价格	PLL Based Clock Driver, 3I Series, 1 True Output(s), 0 Inverted Output(s), CMOS, PDSO8, GR
PCS3I2189AG-08TR	PULSECORE	获取价格	Spread Spectrum Clock Generator
PCS3I2189AG-08TT	PULSECORE	获取价格	Spread Spectrum Clock Generator
PCS3I2191AF-16TR	PULSECORE	获取价格	Spread Spectrum Clock Generator
PCS3I2191AF-16TT	PULSECORE	获取价格	Spread Spectrum Clock Generator
PCS3I2191AG-16TR	PULSECORE	获取价格	Spread Spectrum Clock Generator
PCS3I2191AG-16TT	PULSECORE	获取价格	Spread Spectrum Clock Generator
PCS3I25811AG-08ST	PULSECORE	获取价格	Clock Generator, 32MHz, CMOS, PDSO8, 0.150 INCH, GREEN, SOIC-8
PCS3I25811AG-08TR	PULSECORE	获取价格	Clock Generator, 32MHz, CMOS, PDSO8, GREEN, TSSOP-8

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