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P2811B - Low Power EMI Reduction IC

Download the P2811B datasheet PDF. This datasheet also covers the P2811A variant, as both devices belong to the same low power emi reduction ic family and are provided as variant models within a single manufacturer datasheet.

Description

The P28XX devices are versatile spread spectrum frequency modulators designed specifically for a wide range of input clock frequencies from 10MHz to 40MHz.

Refer to Input/output Frequency Range Selection Table.

Features

  • FCC approved method of EMI attenuation.
  • Provides up to 15dB EMI reduction.
  • Generates a 1x, 2x and 4x low EMI spread spectrum clock of the input frequency o 1x: P2811A/B o 2x: P2812A/B o 4x: P2814A/B.
  • Optimized for input frequency range from 10MHz to 40MHz.
  • Internal loop filter minimizes external components and board space.
  • Selectable spread options: o Down Spread and Center Spread.
  • 8 frequency deviation selections: o ±0.625% to -3.5.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (P2811A-ONSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number P2811B
Manufacturer onsemi
File Size 128.25 KB
Description Low Power EMI Reduction IC
Datasheet download datasheet P2811B Datasheet

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Other Datasheets by onsemi

Part Number Description
P2811A Low Power EMI Reduction IC
P2812A Low Power EMI Reduction IC
P2812B Low Power EMI Reduction IC
P2814A Low Power EMI Reduction IC
P2814B Low Power EMI Reduction IC

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.

View original datasheet text
P2811A/B and P2812A/B and P2814A/B Low Power EMI Reduction IC Features • FCC approved method of EMI attenuation • Provides up to 15dB EMI reduction • Generates a 1x, 2x and 4x low EMI spread spectrum clock of the input frequency o 1x: P2811A/B o 2x: P2812A/B o 4x: P2814A/B • Optimized for input frequency range from 10MHz to 40MHz • Internal loop filter minimizes external components and board space • Selectable spread options: o Down Spread and Center Spread • 8 frequency deviation selections: o ±0.625% to -3.5% • Low inherent Cycle-to-Cycle Jitter • 3.3V Operating Voltage • CMOS/TTL compatible inputs and outputs.
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