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AD9915 - 2.5 GSPS Direct Digital Synthesizer

Datasheet Summary

Description

Specifications 5 DC Specifications 5 AC Specifications 6 Absolute Maximum Ratings9 Thermal Performance9 ESD Caution9 Pin Configuration and Function Descriptions 10 Typical Performance Characteristics 12 Equivalent Circuits16 Theory of Operation17 Single Tone Mode17 Profile Modulation Mode17 Digital

Features

  • 2.5 GSPS internal clock speed.
  • Integrated 12-bit DAC.
  • Frequency tuning resolution to 135 pHz.
  • 16-bit phase tuning resolution.
  • 12-bit amplitude scaling.
  • Programmable modulus.
  • Automatic linear and nonlinear frequency sweeping capability.
  • 32-bit parallel datapath interface.
  • 8 frequency/phase offset profiles.
  • Phase noise:.
  • 128 dBc/Hz (1 kHz offset at 978 MHz).
  • Wideband SFDR <.
  • 57 dBc.
  • Serial or parallel input/output control.

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Datasheet Details

Part number AD9915
Manufacturer Analog Devices
File Size 2.22 MB
Description 2.5 GSPS Direct Digital Synthesizer
Datasheet download datasheet AD9915 Datasheet
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Full PDF Text Transcription

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Data Sheet AD9915 2.5 GSPS Direct Digital Synthesizer with 12-Bit DAC FEATURES ► 2.5 GSPS internal clock speed ► Integrated 12-bit DAC ► Frequency tuning resolution to 135 pHz ► 16-bit phase tuning resolution ► 12-bit amplitude scaling ► Programmable modulus ► Automatic linear and nonlinear frequency sweeping capability ► 32-bit parallel datapath interface ► 8 frequency/phase offset profiles ► Phase noise: −128 dBc/Hz (1 kHz offset at 978 MHz) ► Wideband SFDR < −57 dBc ► Serial or parallel input/output control ► 1.8 V/3.
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