AD9952 Datasheet PDF - Analog Devices

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AD9952
Analog Devices

Part Number AD9952
Description Direct Digital Synthesizer
Page 30 Pages


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400 MSPS 14-Bit, 1.8 V CMOS
Direct Digital Synthesizer
AD9952
FEATURES
400 MSPS internal clock speed
Integrated 14-bit DAC
32-bit tuning word
Phase noise ≤ −120 dBc/Hz @ 1 kHz offset (DAC output)
Excellent dynamic performance
>80 dB SFDR @ 160 MHz (±100 kHz offset) AOUT
Serial I/O control
1.8 V power supply
Software and hardware controlled power-down
48-lead TQFP_EP package
Support for 5 V input levels on most digital inputs
PLL REFCLK multiplier (4× to 20×)
Internal oscillator, can be driven by a single crystal
Phase modulation capability
Multichip synchronization
High speed comparator (200 MHz toggle rate)
APPLICATIONS
Agile LO frequency synthesis
Programmable clock generators
Test and measurement equipment
Acousto-optic device drivers
GENERAL DESCRIPTION
The AD9952 is a direct digital synthesizer (DDS) featuring a
14-bit DAC (digital-to-analog converter) and operating up to
400 MSPS. The AD9952 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 AD9952 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 AD9952 via a
serial I/O port.
The AD9952 is specified to operate over the extended industrial
temperature range of −40°C to +105°C.
FUNCTIONAL BLOCK DIAGRAM
DDS CORE
PHASE
ACCUMULATOR
Z–1
32
PHASE
OFFSET
19
COS(X)
AD9952
14 DAC
14
SYSTEM
CLOCK
Z–1
DAC_RSET
IOUT
IOUT
32 14
I/O UPDATE
SYNC_CLK
REFCLK
REFCLK
0
M
U
X
SYNC
OSCILLATOR/BUFFER
ENABLE
4× TO 20×
CLOCK
MULTIPLIER
TIMING AND CONTROL LOGIC
÷ 4 CONTROL REGISTERS
M
U SYSTEM
X CLOCK
SYNC_IN
OSK
PWRDWNCTL
COMPARATOR
COMP_IN
COMP_IN
COMP_OUT
CRYSTAL OUT
I/O PORT
Figure 1.
RESET
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2003–2009 Analog Devices, Inc. All rights reserved.



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AD9952* Product Page Quick Links
Last Content Update: 11/01/2016
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Documentation
Application Notes
• AN-237: Choosing DACs for Direct Digital Synthesis
• AN-280: Mixed Signal Circuit Technologies
• AN-342: Analog Signal-Handling for High Speed and
Accuracy
• AN-345: Grounding for Low-and-High-Frequency Circuits
• AN-419: A Discrete, Low Phase Noise, 125 MHz Crystal
Oscillator for the AD9850
• AN-423: Amplitude Modulation of the AD9850 Direct
Digital Synthesizer
• AN-543: High Quality, All-Digital RF Frequency
Modulation Generation with the ADSP-2181 and the
AD9850 DDS
• AN-557: An Experimenter's Project:
• AN-587: Synchronizing Multiple AD9850/AD9851 DDS-
Based Synthesizers
• AN-605: Synchronizing Multiple AD9852 DDS-Based
Synthesizers
• AN-621: Programming the AD9832/AD9835
• AN-632: Provisionary Data Rates Using the AD9951 DDS
as an Agile Reference Clock for the ADN2812 Continuous-
Rate CDR
• AN-769: Generating Multiple Clock Outputs from the
AD9540
• AN-823: Direct Digital Synthesizers in Clocking
Applications Time
• AN-837: DDS-Based Clock Jitter Performance vs. DAC
Reconstruction Filter Performance
• AN-843: Measuring a Loudspeaker Impedance Profile
Using the AD5933
• AN-847: Measuring a Grounded Impedance Profile Using
the AD5933
• AN-851: A WiMax Double Downconversion IF Sampling
Receiver Design
• AN-927: Determining if a Spur is Related to the DDS/DAC
or to Some Other Source (For Example, Switching
Supplies)
• AN-939: Super-Nyquist Operation of the AD9912 Yields a
High RF Output Signal
• AN-953: Direct Digital Synthesis (DDS) with a
Programmable Modulus
Data Sheet
• AD9952: 400 MSPS 14-Bit, 1.8 V CMOS Direct Digital
Synthesizer Data Sheet
Product Highlight



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• Introducing Digital Up/Down Converters: VersaCOMM™
Reconfigurable Digital Converters
Technical Books
• A Technical Tutorial on Digital Signal Synthesis, 1999
Tools and Simulations
• ADIsimDDS (Direct Digital Synthesis)
Reference Materials
Product Selection Guide
• RF Source Booklet
Technical Articles
• 400-MSample DDSs Run On Only +1.8 VDC
• ADI Buys Korean Mobile TV Chip Maker
• Basics of Designing a Digital Radio Receiver (Radio 101)
• Clock Requirements For Data Converters
• DDS Applications
• DDS Circuit Generates Precise PWM Waveforms
• DDS Design
• DDS Device Produces Sawtooth Waveform
• DDS Device Provides Amplitude Modulation
• DDS IC Initiates Synchronized Signals
• DDS IC Plus Frequency-To-Voltage Converter Make Low-
Cost DAC
• DDS Simplifies Polar Modulation
• Digital Potentiometers Vary Amplitude In DDS Devices
• Digital Up/Down Converters: VersaCOMM™ White Paper
• Digital Waveform Generator Provides Flexible Frequency
Tuning for Sensor Measurement
• Improved DDS Devices Enable Advanced Comm Systems
• Integrated DDS Chip Takes Steps To 2.7 GHz
• Simple Circuit Controls Stepper Motors
• Speedy A/Ds Demand Stable Clocks
• Synchronized Synthesizers Aid Multichannel Systems
• The Year of the Waveform Generator
• Two DDS ICs Implement Amplitude-shift Keying
• Video Portables and Cameras Get HDMI Outputs
Design Resources
• AD9952 Material Declaration
• PCN-PDN Information
• Quality And Reliability
• Symbols and Footprints
Discussions
View all AD9952 EngineerZone Discussions
Sample and Buy
Visit the product page to see pricing options
Technical Support
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number
* This page was dynamically generated by Analog Devices, Inc. and inserted into this data sheet. Note: Dynamic changes to
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AD9952
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Electrical Specifications ................................................................... 3
Absolute Maximum Ratings............................................................ 6
ESD Caution.................................................................................. 6
Pin Configuration and Function Descriptions............................. 7
Typical Performance Characteristics ............................................. 9
Equivalent Input/Output Circuits ................................................ 12
Theory of Operation ...................................................................... 13
Component Blocks ..................................................................... 13
REVISION HISTORY
5/09—Rev. A to Rev. B
Changes to Comparator Input Characteristics,
Hysteresis Parameter, Table 1.......................................................... 4
Changes to Pin Configuration and Function Descriptions
Section and Table 3........................................................................... 7
Changes to Table 5.......................................................................... 15
Changes to Serial Interface Port Pin Description Section ........ 22
Changes to Figure 32...................................................................... 26
Added Exposed Pad Notation to Outline Dimensions ............. 27
Changes to Ordering Guide .......................................................... 27
5/06—Rev. 0 to Rev. A
Updated Format..................................................................Universal
Changes to Electrical Specifications Section ................................ 3
Changes to Figure 3.......................................................................... 9
Changes to Serial Port Operation Section................................... 20
Inserted Figure 24, Figure 25, and Figure 26 .............................. 21
12/03—Revision 0: Initial Version
Control Register Bit Descriptions ............................................ 16
Other Register Descriptions ..................................................... 18
Modes of Operation ................................................................... 18
Programming Features .............................................................. 18
Synchronizing Multiple AD9952s............................................ 20
Serial Port Operation................................................................. 20
Power-Down Functions............................................................. 23
Layout Considerations................................................................... 25
Suggested Application Circuits..................................................... 26
Outline Dimensions ....................................................................... 27
Ordering Guide .......................................................................... 27
Rev. B | Page 2 of 28



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