You are here

CY25200: Programmable Spread Spectrum Clock Generator for EMI Reduction | Cypress Semiconductor

CY25200: Programmable Spread Spectrum Clock Generator for EMI Reduction

Last Updated: 
Nov 29, 2016
Version: 
*L

Programmable Spread Spectrum Clock Generator for EMI Reduction

Features

  • Wide Operating Output (SSCLK) Frequency Range
    • 3 to 200 MHz
  • Programmable Spread Spectrum with Nominal 31.5 kHz modulation Frequency
  • Center Spread: ±0.25% to ±2.5%
  • Down Spread: –0.5% to –5.0%
  • Input Frequency Range
    • External crystal: 8 to 30 MHz fundamental crystals
    • External reference: 8 to 166 MHz clock
  • Integrated Phase-Locked Loop (PLL)
  • For more, see pdf
     

Description

The CY25200 is a programmable clock generator with spread spectrum capability. Spread spectrum modulates the output clock frequency over a small range, spreading the energy and reducing the energy peak. This is a powerful technique to reduce EMI in a variety of applications.