AD5934 250 kSPS 12-Bit Impedance Converter Network Analyzer

A similar device, available from Analog Devices, Inc., is the AD5933, which is a 2.7 V to 5.5 V, 1 MSPS, 12-bit impedance converter, with an internal temperature sensor, available 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

The AD5934 is a high precision impedance converter system solution that combines an on-board frequency generator with a 12-bit, 250 kSPS, 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 using the following two equations:

Magnitude = √ R2 + I2

Phase = Tan-1 (I/R)

A similar device, available from Analog Devices, Inc., is the AD5933, which is a 2.7 V to 5.5 V, 1 MSPS, 12-bit impedance converter, with an internal temperature sensor, available 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
  • Programmable output peak-to-peak excitation voltage to a maximum 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 100 Ω to 1 kΩ with additional circuitry
  • Phase measurement capability
  • System accuracy of 0.5%
  • 2.7 V to 5.5 V power supply operation
  • Temperature range: −40°C to +125°C
  • 16-lead SSOP package
RF & Microwave
Digital to Analog Converters
Reference Designs
Data Sheets
Documentnote
AD5934: 250KSPS, 12-Bit Impedance Converter, Network Analyzer Data Sheet (Rev. C)PDF 507 kB
Application Notes
Documentnote
AN-1389: Recommended Rework Procedure for the Lead Frame Chip Scale Package (LFCSP) (Rev. 0)PDF 133.7 K
AN-769: Generating Multiple Clock Outputs from the AD9540 (Rev. 0)PDF 0
AN-939: Super-Nyquist Operation of the AD9912 Yields a High RF Output Signal (Rev. 0)PDF 221 kB
AN-837: DDS-Based Clock Jitter Performance vs. DAC Reconstruction Filter Performance (Rev. 0)PDF 313 kB
AN-621: Programming the AD9832/AD9835PDF 202 kB
AN-557: An Experimenter's Project: (Rev. 0)PDF 368 kB
AN-419: A Discrete, Low Phase Noise, 125 MHz Crystal Oscillator for the AD9850PDF 101 kB
AN-237: Choosing DACs for Direct Digital SynthesisPDF 1156 kB
AN-423: Amplitude Modulation of the AD9850 Direct Digital SynthesizerPDF 37 kB
AN-345: Grounding for Low-and-High-Frequency CircuitsPDF 455 kB
AN-342: Analog Signal-Handling for High Speed and AccuracyPDF 468 kB
AN-823: Direct Digital Synthesizers in Clocking Applications Time (Rev. 0)PDF 115 kB
AN-280: Mixed Signal Circuit TechnologiesPDF 2101 kB
AN-605: Synchronizing Multiple AD9852 DDS-Based Synthesizers (Rev. 0)PDF 527 kB
AN-927: Determining if a Spur is Related to the DDS/DAC or to Some Other Source (For Example, Switching Supplies) (Rev. 0)PDF 170 kB
AN-587: Synchronizing Multiple AD9850/AD9851 DDS-Based Synthesizers (Rev. 0)PDF 116 kB
AN-1252: How to Configure the AD5933/AD5934 (Rev. 0)PDF 265 kB
AN-1053: AD5933 Evaluation Board Example Measurement (Rev. B)PDF 243 kB
AN-953: Direct Digital Synthesis (DDS) with a Programmable Modulus (Rev. B)PDF 112 kB
AN-772: A Design and Manufacturing Guide for the Lead Frame Chip Scale Package (LFCSP) (Rev. 0)PDF 439 kB
AN-851: A WiMax Double Downconversion IF Sampling Receiver Design (Rev. 0)PDF 262 kB
AN-632: Provisionary Data Rates Using the AD9951 DDS as an Agile Reference Clock for the ADN2812 Continuous-Rate CDR (Rev. 0)PDF 138 kB
AN-543: High Quality, All-Digital RF Frequency Modulation Generation with the ADSP-2181 and the AD9850 DDS
AN-543 - Monaural FM Transmitter AN-543 - Stereo FM Transmitter		PDF 49.25 K
Product Highlight
Documentnote
Impedance-to-Digital Converters—Compact and Easy to UsePDF 680.22 K
Introducing Digital Up/Down Converters: VersaCOMM™ Reconfigurable Digital ConvertersPDF 63 kB
Frequently Asked Questions
Documentnote
Order Information
Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
AD5934YRSZ Production16 ld SSOPOTH 77-40 to 125C11.014.4Y
AD5934YRSZ-REEL7 Production16 ld SSOPREEL 500-40 to 125C04.4Y
Evaluation Boards
Part NumberDescriptionPriceRoHS
EVAL-AD5933EBZEvaluation Board59Y
Reference Materials
AD5934: 250KSPS, 12-Bit Impedance Converter, Network Analyzer Data Sheet (Rev. C) ad5934
CN0349 Design & Integration Files adg715
CN0217 设计和集成文件 ad5934
AN-1389: 引线框芯片级封装(LFCSP)的建议返修程序 (Rev. 0) ad9540
AN-1389: Recommended Rework Procedure for the Lead Frame Chip Scale Package (LFCSP) (Rev. 0) ad9856
AN-769: Generating Multiple Clock Outputs from the AD9540 (Rev. 0) ad9540
AN-939: Super-Nyquist Operation of the AD9912 Yields a High RF Output Signal (Rev. 0) ad9540
AN-837: DDS-Based Clock Jitter Performance vs. DAC Reconstruction Filter Performance (Rev. 0) ad9856
AN-621: Programming the AD9832/AD9835 ad9540
AN-557: An Experimenter's Project: (Rev. 0) ad9540
AN-419: A Discrete, Low Phase Noise, 125 MHz Crystal Oscillator for the AD9850 ad9540
AN-237: Choosing DACs for Direct Digital Synthesis ad9856
AN-423: Amplitude Modulation of the AD9850 Direct Digital Synthesizer ad9540
AN-345: Grounding for Low-and-High-Frequency Circuits ad9220
AN-342: Analog Signal-Handling for High Speed and Accuracy ad1674
AN-823: Direct Digital Synthesizers in Clocking Applications Time (Rev. 0) ad9856
AN-280: Mixed Signal Circuit Technologies ad1674
AN-605: Synchronizing Multiple AD9852 DDS-Based Synthesizers (Rev. 0) ad9540
AN-927: Determining if a Spur is Related to the DDS/DAC or to Some Other Source (For Example, Switching Supplies) (Rev. 0) ad9540
AN-587: Synchronizing Multiple AD9850/AD9851 DDS-Based Synthesizers (Rev. 0) ad9540
AN-1252: How to Configure the AD5933/AD5934 (Rev. 0) ad5934
AN-772: 引脚架构芯片级封装（LFCSP）设计与制造指南 (Rev. 0) ad9540
AN-769: 基于AD9540产生多时钟输出 (Rev. 0) ad9540
AN-1053: AD5933评估板测量事例 (Rev. 0) ad5934
AN-237: 放大器直接数字频率合成的DAC选型器应用漫谈 (Rev. 0) ad9540
AN-1053: AD5933 Evaluation Board Example Measurement (Rev. B) ad5934
AN-953: 具可编程模数的直接数字频率合成器(DDS) (Rev. 0) ad9540
AN-605: 同步多个基于DDS的频率合成器AD9852 (Rev. A) ad9540
AN-953: Direct Digital Synthesis (DDS) with a Programmable Modulus (Rev. B) ad9540
AN-939: 利用AD9912的超奈奎斯特频率操作得到高RF输出信号 (Rev. 0) ad9540
AN-927: 确定杂散来源是DDS/DAC还是其他器件(例如开关电源)[中文版] (Rev. 0) ad9540
AN-837: 基于DDS的时钟抖动性能与DAC重构滤波器性能的关系[中文版] (Rev. 0) ad9540
AN-772: A Design and Manufacturing Guide for the Lead Frame Chip Scale Package (LFCSP) (Rev. 0) ad9856
AN-823: 时钟应用中的直接数字频率合成器[中文版] (Rev. 0) ad9540
AN-851: 一种WiMax双下变频IF采样接收机设计方案[中文版] (Rev. 0) ad9540
AN-851: A WiMax Double Downconversion IF Sampling Receiver Design (Rev. 0) ad9856
AN-345: 低频和高频电路接地 ad9540
AN-632: 利用AD9951 DDS作为ADN2812连续速率CDR的捷变参考时钟以提供数据速率 (Rev. 0) ad9540
AN-632: Provisionary Data Rates Using the AD9951 DDS as an Agile Reference Clock for the ADN2812 Continuous-Rate CDR (Rev. 0) ad9540
AN-621: AD9832/AD9835的编程 (Rev. 0) ad9540
AN-342: 高速、高精度处理模拟信号[中文版] (Rev. 0) ad9540
AN-557: 实验者项目： (Rev. 0) ad9540
AN-419: 用于完整的直接数字频率合成器AD9850的分立、低相位噪声、125MH晶振 (Rev. A) ad9540
AN-423: 直接数字频率合成器AD9850的幅度调制 (Rev. A) ad9540
AN-587: 同步多个基于DDS的频率合成器AD9850/AD9851 (Rev. 0) ad9540
AN-543: 利用ADSP-2181 DSP和AD9850直接数字频率合成器产生高质量、全数字RF频率调制 (Rev. A) ad9540
AN-543 - Monaural FM Transmitter ad9540
AN-543: High Quality, All-Digital RF Frequency Modulation Generation with the ADSP-2181 and the AD9850 DDS ad9540
AN-543 - Monaural FM Transmitter ad9540
Impedance-to-Digital Converters—Compact and Easy to Use ad5934
Introducing Digital Up/Down Converters: VersaCOMM™ Reconfigurable Digital Converters ad9856
CN0217: 用12位阻抗转换器实现高精度阻抗测量 ad5934
Basics of Designing a Digital Radio Receiver (Radio 101) ad9856
Digital Up/Down Converters: VersaCOMM™ White Paper ad9856
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