Description
October 2006 rev 1.6 General Purpose EMI Reduction IC .
The P278xA is a versatile spread spectrum frequency modulator designed specifically for digital camera and other digital video and imaging application.
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
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
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