Analog Devices: EVAL-AD5933EBZ Evaluation Board for the AD5933 1 MSPS 12-Bit Impedance Converter Network Analyzer

atomar — Wed, 20 Nov 2013 02:22:01 GMT

Current Revision posted to Documents by atomar on 11/20/2013 2:22:01 AM

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Software Tools

Kit Overview

The Analog Devices EVAL-AD5933EBZEVAL-AD5933EBZ evaluation board can be used as a standalone board, with control coming from an external DSP or microcontroller, or it can be connected to a PC. Software is provided that can be used to program the registers of the AD5933AD5933.

The AD5933AD5933 is a high precision impedance converter system that combines an on-board frequency generator, a 12-bit 1 MSPS analog-to-digital converter (ADC), and an internal temperature sensor.

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 AD5933AD5933 also contains an internal temperature sensor with 13-bit resolution and operates from a 2.7 V to 5.5 V supply.

Other on-board components include a ADR423ADR423 3.0 V reference to act as a stable supply voltage for the separate analog and digital sections of the device and a ADP3303ADP3303 ultrahigh precision regulator to act as a supply to the on-board universal serial bus controller that interfaces to the AD5933AD5933. 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 AD5933AD5933, 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.

Key Applications: Electrochemical analysis, Impedance spectroscopy, Complex impedance measurement, Corrosion monitoring and protection equipment, Biomedical and automotive sensors, Proximity sensing

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Software Tools

The AD5933 graphical user interface (GUI) software on the compact disc (CD) is supplied with the evaluation board. The GUI has the frequency sweep capability for board control and data analysis. The software is compatible with Microsoft® Windows® 2000 and Windows XP and Windows 7.

Technical Documents

Learning Center

Type	Description
User Guide	ADI: User Guide for EVAL-AD5933EBZ Eval Board
User Guide	ADI: User Guide for Evaluation Board for the 1 MSPS 12-Bit Impedance Converter Network Analyzer
Datasheet	ADI: Data Sheet for AD5933 - 1 MSPS, 12-Bit Impedance Converter, Network Analyzer
Design Techniques	ADI: CN-0217 - Design Techniques for High Accuracy Impedance Measurements Using 12-Bit Impedance Converters
Application Note	ADI: AN-953 - Application Note for Direct Digital Synthesis (DDS) with a Programmable Modulus
Application Note	ADI: AN-1053 - Application Note for AD5933 Evaluation Board Example Measurement
Application Note	ADI: AN-280 - Application Note for Mixed Signal Circuit Technologies
Application Note	ADI: AN-939 -Application Note for Super-Nyquist Operation of the AD9912 Yields a High RF Output Signal
Application Note	ADI: AN-847 -Application Note for Measuring a Grounded Impedance Profile Using the AD5933

Design Elements

Type	Description
CAD Model	ADI: Symbols and Footprint for AD5933YRSZ
Application Library	ADI: AD5933 Software Evaluation, Rev. 1.4
Application Library	ADI: AD5933 Evaluation Board Software Source Code, Rev 1.0

Video

Kit Features

Key Features for the EVAL-AD5933EBZEVAL-AD5933EBZ Evaluation Board:

Full-featured evaluation board for the AD5933AD5933
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

Key Features for the AD5933AD5933

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

Kit Contents

The Analog Devices EVAL-AD5933EBZEVAL-AD5933EBZ Evaluation Board is supplied with the below contents:

Evaluation Board
USB Cable
CD-ROM
- Graphical user interface software

Tags: eval_ad5933ebz, network_analyzer, ad5933, eval-ad5933ebz, analog_devices