AD9859

RECOMMENDED FOR NEW DESIGNS

400 MSPS 10-Bit DAC 1.8 V CMOS Direct Digital Synthesizer

Data Sheet (Rev. B) Product Selection Table

Part Models: 2
1ku List Price: Starting From $17.56

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Overview

400 MSPS internal clock speed
Integrated 10-bit DAC
32-bit tuning word
Phase noise ≤ –120 dBc/Hz at 1 kHz offset (DAC output)
Excellent dynamic performance
>75 dB SFDR at 160 MHz (±100 kHz offset) A_OUT
Serial input/output (I/O) control
1.8 V power supply
Software and hardware controlled power-down
48-lead TQFP/EP package
PLL REFCLK multiplier (4× to 20×)
Internal oscillator; can be driven by a single crystal
Phase modulation capability
Multichip synchronization

The AD9859 is a direct digital synthesizer (DDS) featuring a 10-bit DAC operating at up to 400 MSPS. The AD9859 uses advanced DDS technology, coupled with an internal high speed, high performance DAC to form a digitally programmable, complete high frequency synthesizer capable of generating a frequency-agile analog output sinusoidal waveform at up to 200 MHz. The AD9859 is designed to provide fast frequency hopping and fine tuning resolution (32-bit frequency tuning word). The frequency tuning and control words are loaded into the AD9859 via a serial I/O port.

The AD9859 is specified to operate over the extended industrial temperature range of –40°C to +105°C.

Applications

Agile LO frequency synthesis
Programmable clock generators
Test and measurement equipment
Commercial and amateur radio exciter

Part Models: 2
1ku List Price: Starting From $17.56

Documentation

DDS Design 05/13/2004

Digital Potentiometers Vary Amplitude In DDS Devices 05/29/2000

Digital Waveform Generator Provides Flexible Frequency Tuning for Sensor Measurement 12/07/2004

DDS Circuit Generates Precise PWM Waveforms 10/02/2003

DDS Device Produces Sawtooth Waveform 07/10/2003

DDS IC Initiates Synchronized Signals 07/20/2005

Video Portables and Cameras Get HDMI Outputs 04/13/2007

Two DDS ICs Implement Amplitude-shift Keying 12/25/2003

ADI Buys Korean Mobile TV Chip Maker 06/07/2006

400-MSample DDSs Run On Only +1.8 VDC 12/01/2002

Basics of Designing a Digital Radio Receiver (Radio 101) 03/06/1998

Product Highlight 1

Introducing Digital Up/Down Converters: VersaCOMM™ Reconfigurable Digital Converters 03/08/2008

Frequently Asked Question 1

FAQ 12/31/2017

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
AD9859YSVZ	48-Lead TQFP (7mm x 7mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
AD9859YSVZ-REEL7	48-Lead TQFP (7mm x 7mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Jun 16, 2009 - 09_0027 Conversion to Laser Mark for the LQFP Packages (Single Grades)
		adi48lqfp Form Material_Report
AD9859YSVZ
AD9859YSVZ-REEL7

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Tools & Simulations

ADIsimDDS (Direct Digital Synthesis)

ADIsimDDS uses mathematical equations to model and illustrate the overall performance of the selected device. ADIsimDDS calculates the required FTW, given the reference clock frequency and desired output frequency. This tool also models an estimate of the overall spectral performance, and allows the user to explore the effects of external reconstruction filters.

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