P2784 Datasheet General Purpose EMI Reduction IC

Manufacturer: Alliance Semiconductor

Download the P2784 datasheet PDF. This datasheet also includes the P2781 variant, as both parts are published together in a single manufacturer document.

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P2784 general purpose emi reduction ic by Alliance Semiconductor - Datasheet Preview — Note: The manufacturer provides a single datasheet file (P2781_AllianceSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	P2784
Manufacturer	Alliance Semiconductor
File Size	200.04 KB
Description	General Purpose EMI Reduction IC
Download	P2784 Download (PDF)

General Description

The P278xA is a versatile spread spectrum frequency modulator designed specifically for digital camera and The P278xA is targeted towards MFP, xDSL, fax modem, set-top box, USB controller, DSC, and embedded systems.

Block Diagram FS0 FS1 LF VDD PLL Modulation XIN /CLKIN XOUT Crystal Oscillator Frequency Divider Feedback Divider Phase Detector VCO Output Divider www.DataSheet4U.com ModOUT VSS Alliance Semiconductor 2575, Augustine Dri

Overview

July 2005 rev 1.5 General Purpose EMI Reduction IC.

Key Features

Provides up to 15dB of EMI suppression FCC approved method of EMI attenuation Generates a 1X, 2X, and 4X low EMI spread spectrum clock of the input frequency Input frequency range from 3 to 78MHz External loop filter for spread % adjustment Spreading ranges from ±0.25% to ±5.0% Ultra low cycle-to-cycle jitter Zero-cycle slip 3.3V operating voltage range 10 mA output drives TTL or CMOS compatible outputs Ultra-low.

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More Datasheets from Alliance Semiconductor

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P2781	General Purpose EMI Reduction IC
P2782	General Purpose EMI Reduction IC
P2779A	Low-Cost Notebook EMI Reduction