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AD5933:  1 MSPS, 12 Bit Impedance Converter Network Analyzer

Product Details


The AD5933 is a high precision impedance converter system solution that combines an on-board frequency generator with a 12-bit, 1 MSPS, analog-to-digital converter (ADC). The frequency generator allows an external complex impedance to be excited with a known frequency. The response signal from the impedance is sampled by the on-board ADC and a discrete Fourier transform (DFT) is processed by an on-board DSP engine. The DFT algorithm returns a real (R) and imaginary (I) data-word at each output frequency.

Once calibrated, the magnitude of the impedance and relative phase of the impedance at each frequency point along the sweep is easily calculated. This is done off chip using the real and imaginary register contents, which can be read from the serial I2C interface.

A similar device, also available from Analog Devices, Inc., is the AD5934, a 2.7 V to 5.5 V, 250 kSPS, 12-bit impedance converter, with an internal temperature sensor and is packaged in a 16-lead SSOP.

Applications

  • Electrochemical analysis
  • Bioelectrical impedance analysis
  • Impedance spectroscopy
  • Complex impedance measurement
  • Corrosion monitoring and protection equipment
  • Biomedical and automotive sensors
  • Proximity sensing
  • Nondestructive testing
  • Material property analysis
  • Fuel/battery cell condition monitoring

FEATURES and BENEFITS

  • Chinese data sheet available
  • Programmable output peak-to-peak excitation voltage to a max frequency of 100 kHz
  • Programmable frequency sweep capability with serial I2C® interface
  • Frequency resolution of 27 bits (<0.1 Hz)
  • Impedance measurement range from 1 kΩ to 10 MΩ
  • Capable of measuring of 100 Ω to 1 kΩ with additional circuitry
  • Internal temperature sensor
    (±2°C)
  • Internal system clock option
  • See data sheet for additional information

Functional Block Diagram for AD5933

 

Visit the AD5933/34 Impedance to Digital Converter Demonstration/Configuration Assistant ... This tool is both a demonstration and design tool for the AD5933 and AD5934 impedance converter parts. It demonstrates the steps needed to configure and use the parts before purchasing an evaluation board. A design mode is also available which permits free control of the user interface and the calculation of values for programming the internal registers.

Technical Article: Blood Analysis Systems Require Wide Bandwidths and Fast Sample Processing Cycles and Analysis

For additional ADI Healthcare Products and related information, please visit www.analog.com/healthcare.

Documentation

Title Content Type File Type
AD5933: 1 MSPS, 12-Bit Impedance Converter, Network Analyzer Data Sheet (Rev E, 05/2013) (pdf, 544 kB) Data Sheets PDF
AN-1252: How to Configure the AD5933/AD5934  (pdf, 265 kB) Application Notes PDF
AN-1053: AD5933 Evaluation Board Example Measurement  (pdf, 243 kB) Application Notes PDF
AN-953: Direct Digital Synthesis (DDS) with a Programmable Modulus  (pdf, 112 kB) Application Notes PDF
AN-939: Super-Nyquist Operation of the AD9912 Yields a High RF Output Signal  (pdf, 221 kB) Application Notes PDF
AN-927: Determining if a Spur is Related to the DDS/DAC or to Some Other Source (For Example, Switching Supplies)  (pdf, 170 kB) Application Notes PDF
AN-843: Measuring a Loudspeaker Impedance Profile Using the AD5933 (Rev. A, 6/07)  (pdf, 284 kB) Application Notes PDF
AN-837: DDS-Based Clock Jitter Performance vs. DAC Reconstruction Filter Performance  (pdf, 313 kB) Application Notes PDF
AN-772: A Design and Manufacturing Guide for the Lead Frame Chip Scale Package (LFCSP)  (pdf, 439 kB) Application Notes PDF
AN-769: Generating Multiple Clock Outputs from the AD9540  (pdf, 0) Application Notes PDF
AN-823: Direct Digital Synthesizers in Clocking Applications Time  (pdf, 115 kB)
Jitter in Direct Digital Synthesizer-Based Clocking Systems
Application Notes PDF
AN-851: A WiMax Double Downconversion IF Sampling Receiver Design  (pdf, 262 kB) Application Notes PDF
AN-847: Measuring a Grounded Impedance Profile Using the AD5933  (pdf, 294 kB) Application Notes PDF
AN-345: Grounding for Low-and-High-Frequency Circuits  (pdf, 455 kB)
Know Your Ground and Signal Paths for Effective Designs. Current Flow Seeks Path of Least Impedance-Not Just Resistance....
Application Notes PDF
AN-605: Synchronizing Multiple AD9852 DDS-Based Synthesizers  (pdf, 527 kB) Application Notes PDF
AN-632: Provisionary Data Rates Using the AD9951 DDS as an Agile Reference Clock for the ADN2812 Continuous-Rate CDR  (pdf, 138 kB) Application Notes PDF
AN-621: Programming the AD9832/AD9835  (pdf, 202 kB)
This application note details how to program 5 MHz on the output of the AD9832/AD9835 parts. The frequency register,defer register,and command sequence are explained in detail.
Application Notes PDF
AN-342: Analog Signal-Handling for High Speed and Accuracy.  (pdf, 468 kB)
Signal handling techniques for optimizing DAC and ADC performance.
Application Notes PDF
AN-280: Mixed Signal Circuit Technologies  (pdf, 2101 kB)
Considers problems which arise when reality (& Murphy) intervene in a design which otherwise seems satisfactory in terms of theory and modeling.
Application Notes PDF
AN-557: An Experimenter's Project:  (pdf, 368 kB)
Incorporating the AD9850 Complete DDS Device as a Digital LO Function in an Amateur Radio Transceiver
Application Notes PDF
AN-419: A Discrete, Low Phase Noise, 125 MHz Crystal Oscillator for the AD9850  (pdf, 101 kB) Application Notes PDF
AN-237: Choosing DACs for Direct Digital Synthesis  (pdf, 1156 kB) Application Notes PDF
AN-423: Amplitude Modulation of the AD9850 Direct Digital Synthesizer  (pdf, 37 kB) Application Notes PDF
AN-587: Synchronizing Multiple AD9850/AD9851 DDS-Based Synthesizers  (pdf, 116 kB) Application Notes PDF
AN-543: High Quality, All-Digital RF Frequency Modulation Generation with the ADSP-2181 and the AD9850 DDS  (pdf, 49 kB) Application Notes PDF
CN-0217: High Accuracy Impedance Measurements Using 12-Bit Impedance Converters  (pdf, 253 kB) Circuit Note PDF
Fundamentals of Frequency Synthesis, Part 2: Direct Digital Synthesis (DDS)
This month we conclude our two-part series on frequency synthesis, with an introduction to Direct Digital Synthesis. We will give a basic review of how a direct digital synthesis system works, touching on the inner workings of the DDS engine at a relatively high level. We will also discuss the tradeoffs between PLL and DDS technology as a base choice for frequency synthesis needs.
Webcasts WEBCAST
Performance Clocks: Demystifying Jitter
Join us as we delve into the realm of sub-picosecond jitter clocks. The relationship between jitter and phase noise will be explored in detail and methods for measuring sub-picosecond jitter and ultra low phase noise will be presented and discussed.
Webcasts WEBCAST
UG-364: Evaluating the AD5933 1 MSPS, 12-Bit Impedance Converter Network Analyzer  (pdf, 1202 kB)
This documentation is for the EVAL-AD5933EBZ Rev. C and Rev. C1 evaluation boards.
User Guides PDF
Boost Precision and Accuracy with Single Chip Capacitance- and Impedance-to-Digital Converters
(Analog Dialogue, Vol. 41, August, 2007)
Analog Dialogue HTML
Impedance Measurement Monitors Blood Coagulation Analog Dialogue HTML
Speedy A/Ds Demand Stable Clocks
by Jeff Keip, Analog Devices, Inc. (EE Times, 3/18/04)
Technical Articles HTML
Improved DDS Devices Enable Advanced Comm Systems
by Valoree Young, Analog Devices
(Electronic Products, September 2006)
Technical Articles HTML
ADI Buys Korean Mobile TV Chip Maker
(EE Times, 6/7/2006)
Technical Articles HTML
Impedance Measurement Blood Analysis Systems Technical Articles HTML
DDS Device Provides Amplitude Modulation
by Mary McCarthy, Analog Devices, Inc.
(EDN, September 2, 1999)
Technical Articles HTML
Introducing Digital Up/Down Converters: VersaCOMM™ Reconfigurable Digital Converters  (pdf, 63 kB)
Revolutionize your radio architectures
Technical Articles PDF
Digital Up/Down Converters: VersaCOMM™ White Paper  (pdf, 97 kB) Technical Articles PDF
Basics of Designing a Digital Radio Receiver (Radio 101)  (pdf, 77 kB) Technical Articles PDF
DDS Applications
by Eva Murphy and Colm Slattery, Analog Devices, Inc. (EETimes, 9/26/2005)
Technical Articles HTML
Synchronized Synthesizers Aid Multichannel Systems
by David Brandon and John Kornblum, Analog Devices, Inc. (Microwaves & RF, 9/2005)
Technical Articles HTML
The Year of the Waveform Generator
(Test & Measurement World, 12/1/2005)
Technical Articles HTML
DDS IC Initiates Synchronized Signals
(Microwaves & RF Cover Story, July 2005)
Technical Articles HTML
DDS Simplifies Polar Modulation
By Ken Gentile, Analog Devices ... Basic modulation mathematics and DDS (direct digital synthesis) provide designers with an all-digital technique for generating polar-encoded carrier signals. (EDN, 8/5/2004)
Technical Articles HTML
Digital Waveform Generator Provides Flexible Frequency Tuning for Sensor Measurement
by Colm Slattery, Analog Devices (EDN, 12/17/2004)
Technical Articles HTML
DDS IC Plus Frequency-To-Voltage Converter Make Low-Cost DAC
by Noel McNamara, Analog Devices, Inc. (EDN Design Idea, 2/5/2004)
Technical Articles HTML
DDS Circuit Generates Precise PWM Waveforms
by Colm Slattery, Analog Devices, Inc. (EDN, 10/2/2003)
Technical Articles HTML
Two DDS ICs Implement Amplitude-shift Keying
by Noel McNamara, Analog Devices, Inc. (EDN Design Idea, 12/25/2003)
Technical Articles HTML
Integrated DDS Chip Takes Steps To 2.7 GHz
This highly integrated 2.7-GHz source includes all essential DDS circuitry along with a clock driver, divider, high-resolution DAC, and combination phase detector/charge pump. (ED Online, April 2004)
Technical Articles HTML
Simple Circuit Controls Stepper Motors
by Noel McNamara, Analog Devices, Inc. (EDN Design Idea, 1/8/04)
Technical Articles HTML
Digital Potentiometers Vary Amplitude In DDS Devices  (PDF)
(Electronic Design, Ideas for Design, 5/29/2000)
Technical Articles PDF
DDS Device Produces Sawtooth Waveform
Ramp or sawtooth waveforms are useful for a broad range of applications, including automatic-test equipment, benchtest equipment, and actuator control. (EDN Design Idea, 7/10/2003)
Technical Articles HTML
400-MSample DDSs Run On Only +1.8 VDC
... This line of highly integrated DDS ICs features on-board RAM and crystal-oscillator circuitry to simplify the generation of agile and exotic waveforms. (Microwaves & RF Cover Story, 12/2002)
Technical Articles HTML
AD9858: Flexible Integrated Synthesizer For Wireless  (htm)
... The most important feature of the AD9858 is its ability to change frequency in less than 5 ns, meaning that there is virtually no application left where you will need to go the expense of switching between two separate synthesizers. (AnalogZone, RF/IF Zone Products for the Week of 9/23/2002)
Technical Articles HTM
DDS Tackles BaseStations Head On
... This High-Performance, Low-Power Integrated Hybrid Synthesizer Flaunts A 10-b Digital-To-Analog Converter That Operates At Up To 1 GSample/s.
(Wireless Systems Design, September 2002)
Technical Articles HTML
Video Portables and Cameras Get HDMI Outputs
By Doug Bartow, Analog Devices, Inc.
Technical Articles HTML
Clock Requirements For Data Converters
(Electronic Design, 2/2005)
Technical Articles HTML
DDS Design
By David Brandon, Analog Devices, Inc.
Direct digital synthesizers are known for their highly accurate digital tuning, low noise figure, and phase-continuous frequency-hopping capabilities, which make them more attractive than alternative analog frequency-synthesis solutions.
(EDN, 5/13/2004)
Technical Articles HTML
Free Direct Digital Synthesis IC Evaluation Tool
(Control Engineering, 9/14/2006)
Product Reviews HTML
ADI Rolls Out Single-Chip Converters for Precise Capacitance and Impedance Measurements
(eeProductCenter, 3/2005)
Product Reviews HTML
ADI Rolls Out Single-chip Converters for Precise Capacitance and Impedance Measurements
(Automotive Design Line, 3/4/2005)
Product Reviews HTML
On-Line Evaluation Tool Simplifies Implementing DDS Semiconductors
(eeProductCenter, 8/16/2006)
Product Reviews HTML
Semiconductor Products Set for Munich Launch
(Electronics Talk, 9/28/2006)
Product Reviews HTML
Introducing the World's First Integrated Impedance Converters Overview HTML
Leading Inside Advertorials: Boost Precision and Accuracy with Single Chip Capacitance- and Impedance-to-Digital Converters  (pdf, 482 kB) Overview PDF
Impedance-to-Digital Converters—Compact and Easy to Use  (pdf, 680 kB)
The AD5933 provides a single chip system level solution for impedance conversion. This integrated solution delivers unprecedented levels of precision and accuracy, available in a small package, requiring less design time, and at lower overall cost and power.
Overview PDF
My evaluation board is not working; the software is reporting a USB Communication Error. I verified that the evaluation board is connected to the PC and powered. What else can I check? FAQs/RAQs HTML
Does Analog Devices offer a list of manufacturers of oscillators for DDS devices? FAQs/RAQs HTML
Where can I find some good background material on direct digital synthesis? FAQs/RAQs HTML
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
AD5933/4 Demonstration and Design Tool
A tool for demonstrating use of the AD5933/4 Impedance Converter / Network Analyzer.
Design Calculators HTML
AD5933 Pmod Xilinx FPGA Reference Design FPGA HDL HTML
AD5933 - No-OS Driver for Renesas Microcontroller Platforms Device Drivers HTML
AD5933 - No-OS Driver for Microchip Microcontroller Platforms Device Drivers HTML
AD5933 IIO Impedance Converter and Network Analyzer Linux Driver Device Drivers HTML

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

Product Recommendations & Reference Designs

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Price, packaging, availability

AD5933 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD5933WYRSZ-REEL7 Status: Production 16 ld SSOP 16 Ind Reel, 500 - $7.25 Y  Material Info Notify Me Purchase
AD5933YRSZ Status: Production 16 ld SSOP 16 Ind Tube, 77 $16.83 $6.73 Y  Material Info PCN Purchase Sample
AD5933YRSZ-REEL7 Status: Production 16 ld SSOP 16 Ind Reel, 500 - $6.73 Y  Material Info PCN Purchase
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

AD5933 Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
EVAL-AD5933EBZ Status: Production Evaluation Board $59.00 Yes -

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.

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