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ASM3P2821B Low Power EMI Reduction IC

ASM3P2821B Description

October 2003 www.DataSheet4U.com ASM3P2821B rev 1.0 .
The ASM3P2821B is a versatile spread spectrum frequency modulator designed specifically for input clock frequencies in the range of 15MHz - 27MHz.

ASM3P2821B Features

* FCC approved method of EMI attenuation. Generates a 1X low EMI spread spectrum clock of the input frequency. Input frequency range: 15MHz
* 27MHz. Internal loop filter minimizes external components and board space. Frequency deviation: -2.5% Low inherent cycle-to-cycle jitter. 3.3V operating

ASM3P2821B Applications

* The ASM3P2821B is targeted towards EMI management for high speed digital applications such as PC peripheral devices, consumer electronics and embedded controller systems. Block Diagram VDD Modulation XIN Crystal Oscillator PLL Frequency Divider Feedback Divider Phase Detector Loop Filter VCO

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Low Power EMI Reduction Alliance Semiconductor Corporation
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