Datasheet Summary
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Production March 2003
®
P1818/19/20/21/22
Low Power Mobile VGA EMI Reduction IC
Features
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- - FCC approved method of EMI attenuation Provides up to 15 dB EMI reduction Generates a low EMI spread spectrum clock and a non-spread reference clock of the input frequency Optimized for frequency range from 10 MHz to 160 MHz P1818: 10 to 20 MHz P1819: 20 to 40 MHz P1820: 40 to 80 MHz P1821: 10 to 40 MHz P1822: 80 to 160 MHz Internal loop filter minimizes external ponents and board space
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- - Selectable spread options: Down Spread and Center Spread Low inherent cycle-to-cycle jitter Eight spread % selections: +/-0.625% to
- 3.5% 3.3V operating voltage...
