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DS1081L Datasheet Spread-spectrum Clock Modulator

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: Rev 0; 4/07 20MHz to 134MHz Spread-Spectrum Clock Modulator for LCD.

General Description

The DS1081L is a spread-spectrum clock modulator IC that reduces EMI in high clock-frequency-based, digital electronic equipment.

Using an integrated phase-locked loop (PLL), the DS1081L accepts an input clock signal in the range of 20MHz to 134MHz and delivers a spread-spectrum modulated output clock signal.

The PLL modulates, or dithers, the output clock about the center input frequency at a pin-selectable magnitude and dither rate, allowing direct EMI control and optimization.

Key Features

  • Modulates a 20MHz to 134MHz Clock with Center Spread-Spectrum Dithering.
  • Selectable Spread-Spectrum Modulation Magnitudes of: ±0.5% ±1.0% ±1.5% ±2.0%.
  • Low 75ps Cycle-to-Cycle Jitter.
  • Spread-Spectrum Disable Mode.
  • Pin Compatible with Alliance/PulseCore Semiconductor P2040 Series Devices.
  • Clock Output Disable.
  • Low Cost.
  • Low Power Consumption.
  • 3.3V Single Voltage Supply.
  • -40°C to +125°C Temperature Range.

DS1081L Distributor

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