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HSP45314 - CommLinkTM Direct Digital Synthesizer

Description

The HSP45314 is an NCO with an integrated 14-bit DAC designed to run in excess of 125MSPS.

The NCO is a 16-bit output design, which is rounded to 14 bits for input to the DAC.

The frequency control is the sum of a 48-bit center frequency word and a 48-bit offset frequency word.

Features

  • 125MSPS Output Sample Rate with 5V Digital Supply.
  • 100MSPS Output Sample Rate with 3.3V Digital Supply.
  • 14-bit DAC with Internal Reference.
  • Parallel Control Interface for Fast Tuning (50MSPS Control Register Write Rate).
  • 48-bit Programmable Frequency Control.
  • Small 48-pin LQFP package.

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Datasheet preview – HSP45314

Datasheet Details

Part number HSP45314
Manufacturer Intersil Corporation
File Size 118.53 KB
Description CommLinkTM Direct Digital Synthesizer
Datasheet download datasheet HSP45314 Datasheet
Additional preview pages of the HSP45314 datasheet.

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Full PDF Text Transcription

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HSP45314 TM Data Sheet May 2000 File Number 4820.2 CommLinkTM Direct Digital Synthesizer The 14-bit HSP45314 provides a complete Direct Digital Synthesizer (DDS) system in a single 48-pin LQFP package. A 48-bit Programmable Carrier NCO (numerically controlled oscillator) and a high speed 14-bit DAC (digital to analog converter) are integrated into a stand alone DDS. The DDS accepts 48-bit center and offset frequency control information via a parallel processor interface. Modulation control is provided by 3 external pins. The PH0 and PH1 pins select phase offsets of 0, 90, 180 and 270 degrees, while the ENOFR pin enables or zeros the offset frequency word to the phase accumulator.
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