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AL2007LA - Phase-Locked Loop

Description

The AL2007LA is a Phase-Locked Loop (PLL) frequency synthesizer constructed in CMOS on single monolithic structure.

The PLL macrofunctions provide frequency multiplication capabilities.

Features

  • 0.35um CMOS device technology.
  • 3.3 Volt Single power supply.
  • VCO frequency range: 60~170MHz.
  • Output frequency range: 20~170MHz.
  • Jitter ±150ps.
  • Duty ratio 40% to 60% at 170MHz.
  • Frequency changed by programmable divider.
  • Power down mode.

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Datasheet preview – AL2007LA

Datasheet Details

Part number AL2007LA
Manufacturer Samsung semiconductor
File Size 267.76 KB
Description Phase-Locked Loop
Datasheet download datasheet AL2007LA Datasheet
Additional preview pages of the AL2007LA datasheet.

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    Full PDF Text Transcription

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    0.35µm 20MHZ-170MHZ FSPLL AL2007LA GENERAL DESCRIPTION The AL2007LA is a Phase-Locked Loop (PLL) frequency synthesizer constructed in CMOS on single monolithic structure. The PLL macrofunctions provide frequency multiplication capabilities. The output clock frequency Fout is related to the reference input clock frequency Fin by the following equation: Fout = ( m*Fin ) / ( p* 2S) Where, Fout is the output clock frequency. Fin is the reference input clock frequency. m,p and s are the values for programmable dividers. AL2007LA consists of a phase/Frequency Detector(PFD), a Charge Pump an External Loop Filter, a Voltage Controlled Oscillator(VCO), a 6bit Pre-divider, an 8bit Main divider and 2bit Post Scaler as shown in Figure1. FEATURES — 0.35um CMOS device technology — 3.
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