P2781 Datasheet General Purpose EMI Reduction IC

Manufacturer: PulseCore Semiconductor

Overview: October 2006 rev 1.6 General Purpose EMI Reduction IC.

P2781 general purpose emi reduction ic by PulseCore Semiconductor - Datasheet Preview

Datasheet Details

Part number	P2781
Manufacturer	PulseCore Semiconductor
File Size	210.17 KB
Description	General Purpose EMI Reduction IC
Download	P2781 Download (PDF)

General Description

The P278xA is a versatile spread spectrum frequency modulator designed specifically for digital camera and other digital video and imaging applications.

The P278xA Applications 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 PulseCore Semiconductor Corporation 1715 S.

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 Ultra-low power CMOS des.

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