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AD9956 - 2.7 GHz DDS-Based AgileRF Synthesizer

Description

11 Typical Performance Characteristics 13 Typical Application Circuits 16 Application Circuit Explanations 17 General Description 18 DDS Core 18 PLL Circuitry 18 REVISION HISTORY 8/2020

Rev.

A to Rev.

Features

  • 400 MSPS internal DDS clock speed 48-bit frequency tuning word 14-bit programmable phase offset Integrated 14-bit DAC Excellent dynamic performance Phase noise ≤ 135 dBc/Hz @ 1 KHz offset.
  • 80 dB SFDR @ 160 MHz (±100 KHz offset IOUT) 25 Mb/s write-speed serial I/O control 200 MHz phase frequency detector inputs 655 MHz programmable input dividers for the phase frequency detector (÷M, ÷N) {M, N = 1..16} (bypassable) Programmable RF divider (÷R) {R = 1, 2, 4, 8} (bypassable) 8 phase/frequen.

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Datasheet Details

Part number AD9956
Manufacturer Analog Devices
File Size 529.48 KB
Description 2.7 GHz DDS-Based AgileRF Synthesizer
Datasheet download datasheet AD9956 Datasheet
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Full PDF Text Transcription

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2.7 GHz DDS-Based AgileRFTM Synthesizer AD9956 FEATURES 400 MSPS internal DDS clock speed 48-bit frequency tuning word 14-bit programmable phase offset Integrated 14-bit DAC Excellent dynamic performance Phase noise ≤ 135 dBc/Hz @ 1 KHz offset −80 dB SFDR @ 160 MHz (±100 KHz offset IOUT) 25 Mb/s write-speed serial I/O control 200 MHz phase frequency detector inputs 655 MHz programmable input dividers for the phase frequency detector (÷M, ÷N) {M, N = 1..16} (bypassable) Programmable RF divider (÷R) {R = 1, 2, 4, 8} (bypassable) 8 phase/frequency profiles 1.8 V supply for device operation 3.
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