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ASM3P2185A - EMI Reduction

General Description

The ASM3P2185A is a versatile spread spectrum frequency modulator designed specifically for a wide range of input clock frequencies from 25MHz to 50MHz.

The ASM3P2185A can generate an EMI reduced clock from an OSC or a system generated clock.

Key Features

  • FCC approved method of EMI attenuation. Provides up to 15dB EMI reduction. Generates a 1X low EMI spread spectrum clock of the input frequency. Input frequency range: 25MHz to 50 MHz. Internal loop filter minimizes external components and board space. Down Spread and Center Spread. 2 spread frequency deviation selections: -1.25% and ± 0.6%. Low inherent cycle-to-cycle jitter. 3.3V operating voltage range. TTL or CMOS c.

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Datasheet Details

Part number ASM3P2185A
Manufacturer Alliance Semiconductor Corporation
File Size 416.64 KB
Description EMI Reduction
Datasheet download datasheet ASM3P2185A Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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November 2003 www.DataSheet4U.com rev 1.1 ASM3P2185A EMI Reduction IC Features ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ FCC approved method of EMI attenuation. Provides up to 15dB EMI reduction. Generates a 1X low EMI spread spectrum clock of the input frequency. Input frequency range: 25MHz to 50 MHz. Internal loop filter minimizes external components and board space. Down Spread and Center Spread. 2 spread frequency deviation selections: -1.25% and ± 0.6%. Low inherent cycle-to-cycle jitter. 3.3V operating voltage range. TTL or CMOS compatible inputs and outputs. Low power CMOS design. Supports notebook VGA and other LCD timing controller applications. Products are available for industrial temperature range. Available in 8-pin SOIC and TSSOP.