AD9851
Info: : PRODUCTION
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AD9851

180 MHz Complete DDS synthesizer

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 3
1ku List Price Starting From $21.11
Features
  • 180 MHz Clock Rate with Selectable 6x Reference Clock Multiplier
  • On-Chip High Performance 10-Bit DAC and High Speed Comparator with Hysteresis
  • SFDR >43 dB @ 70 MHz AOUT
  • 32-Bit Frequency Tuning Word
  • 5-Bit Phase Modulation and Offset Capability
  • Simplified Control Interface: Parallel or Serial Asynchronous Loading Format
  • Comparator Jitter <80 ps p-p @ 20 MHz
  • 2.7 V to 5.25 V Single-Supply Operation
  • Low Power: 555 mW @ 180 MHz
  • Power-Down Function, 4 mW @ 2.7V
  • Ultrasmall 28-Lead SSOP Packaging
Additional Details
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The AD9851 is a highly integrated device that uses advanced DDS technology, coupled with an internal high-speed, high performance D/A converter, and comparator, to form a digitally-programmable frequency synthesizer and clock generator function. When referenced to an accurate clock source, the AD9851 generates a stable frequency and phase-programmable digitized analog output sinewave. This sinewave can be used directly as a frequency source, or internally converted to a square wave for agile-clock generator applications.

The AD9851's innovative high-speed DDS core provides a 32-bit frequency tuning word, which results in an output tuning resolution of 40 milli-Hertz, for a 180 MHz reference clock. The AD9851 contains a unique X6 reference clock multiplier circuit that obviates the need for a high-speed reference oscillator. The 6X PLL multiplier has minimal impact on SFDR and phase noise characteristics. The device provides 5-bits of digitally-controlled phase modulation which enables phase shifting of its output in increments of 180°, 90°, 45°, 22.5°, 11.25°, and any combination thereof.


Part Models 3
1ku List Price Starting From $21.11

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
AD9851BRS
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AD9851BRSZ
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AD9851BRSZRL
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Product Lifecycle

PCN

Aug 25, 2010

- 10_0065

Halogen Free Material Change for SSOP Products at Carsem

Feb 8, 2010

- 04_0080

Qualification of the 8" C6 and Q Wafer Fab Processes at Analog Devices, Limerick, Ireland.

Filter by Model

reset

Reset Filters

Part Models

Product Lifecycle

PCN

Aug 25, 2010

- 10_0065

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Halogen Free Material Change for SSOP Products at Carsem

Feb 8, 2010

- 04_0080

arrow down

Qualification of the 8" C6 and Q Wafer Fab Processes at Analog Devices, Limerick, Ireland.

Software & Part Ecosystem

Software & Part Ecosystem

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