AD5933

PRODUCTION

1 MSPS, 12-Bit Impedance Converter, Network Analyzer

Part Models
3
1ku List Price
Starting From $9.96
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Part Details

  • Chinese data sheet available
  • 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 of 100 Ω to 1 kΩ with additional circuitry
  • Internal temperature sensor (±2°C)
  • Internal system clock option
  • 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
  • Qualified for automotive applications
AD5933
1 MSPS, 12-Bit Impedance Converter, Network Analyzer
AD5933-FBL AD5933-PC
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Documentation

Data Sheet 1

User Guide 1

Application Note 23

Technical Articles 24

Product Highlight 2

Frequently Asked Question 1

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Software Resources


Hardware Ecosystem

Parts Product Life Cycle Description
AD5941 RECOMMENDED FOR NEW DESIGNS High Precision, Impedance & Electrochemical Front End
AD5940 RECOMMENDED FOR NEW DESIGNS High-Precision, Impedance & Electrochemical Front End
ADUCM355 RECOMMENDED FOR NEW DESIGNS Precision Analog Microcontroller with Chemical Sensor Interface
ADUCM350 RECOMMENDED FOR NEW DESIGNS Configurable Impedance Network Analyzer & Potentiostat with Integrated Cortex M3 Core
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Evaluation Kits

eval board
EVAL-AD5933

AD5933 Evaluation Board

Features and Benefits

  • Full-featured evaluation board for the AD5933
  • Graphic user interface software with frequency sweep capability for board control and data analysis
  • Various power supply linking options
  • Standalone capability with serial I2C loading from on-board microcontroller
  • Selectable system clock options including internal RC oscillator or on-board 16 MHz crystal

Product Details

This user guide describes the EVAL-AD5933EBZ evaluation board, and the application software developed to interface with the device. The AD5933 is a high precision impedance converter system 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 on-board ADC samples the response signal from the impedance, and an on-board DSP engine at each excitation frequency processes the DFT. The AD5933 also contains an internal temperature sensor with 13-bit resolution. The part operates from a 2.7 V to 5.5 V supply. Other on-board components include a ADR423 3.0 V reference to act as a stable supply voltage for the separate analog and digital sections of the device and a ADP3303 ultrahigh precision regulator to act as a supply to the on-board universal serial bus controller that interfaces to the AD5933. The user has the option to power the entire circuitry from the USB port of a computer.


The evaluation board also has a high performance trimmed 16 MHz surface-mount crystal to act as a system clock to the AD5933, if required. Interfacing to the AD5933 is through a USB microcontroller that generates the I2C signals necessary to communicate with the AD5933. Interfacing to the USB microcontroller is done through a Visual Basic® graphic user interface located on and run from the PC. Complete specifications for the AD5933 are available in the AD5933 data sheet available from Analog Devices, Inc., and should be consulted in conjunction with this user guide when using the evaluation board.

EVAL-AD5933
AD5933 Evaluation Board
EVAL-AD5933EBZANGLE-web EVAL-AD5933EBZBOTTOM-web EVAL-AD5933EBZTOP-web

Reference Designs

Optimized Signal Chain for Impedance Measurement Accuracy
CN0217 Circuits from the lab

High Accuracy Impedance Measurements Using 12-Bit Impedance Converters

Features and Benefits

  • High accuracy impedance measurement
  • Complex impedance measurments using internal frequency generator
  • Measure up to several hundred k-ohms
CN0217
High Accuracy Impedance Measurements Using 12-Bit Impedance Converters
Optimized Signal Chain for Impedance Measurement Accuracy

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