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ASM3P2779A

Part Number	ASM3P2779A
Manufacturer	ON Semiconductor
Description	Peak EMI Reducing Solution
Published	Jul 28, 2010
Detailed Description	ASM3P2779A Peak EMI Reducing Solution Features • Generates an EMI optimized clock signal at the output. • Integrated loo...
Datasheet	ASM3P2779A PDF File

Overview

ASM3P2779A Peak EMI Reducing Solution Features • Generates an EMI optimized clock signal at the output.
• Integrated loop filter components.
• Operates with a 3.
3 / 2.
5V Supply.
• Operating current less than 4mA.
• CMOS design.
• Input frequency range: 13MHz to 30MHz for 2.
5V 13MHz to 30MHz for 3.
3V • Generates a 1X low EMI spread spectrum clock of the input frequency.
• Frequency deviation: ±1% (Typ) @ 16MHz Input Frequency.
• Available in 6L-TSOP (6L-TSOT-23).
www.
DataSheet4U.
com The ASM3P2779A uses the most efficient and optimized modulation profile approved by the FCC and is implemented by using a proprietary all digital method.
The ASM3P2779A modulates the output of a single PLL in order to “spread” the bandwidth of a synthesized clock, and more importantly, decreases the peak amplitudes of its harmonics.
This results in significantly lower system EMI compared to the typical narrow band signal produced by oscillators and most frequency generators.
Lowering EMI by increasing a si...

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