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Kit Overview
The AD5933AD5933 and AD5934AD5934 are high precision impedance converter system solutions that combine an on-chip programmable frequency generator with a 12-bit, 1 MSPS (AD5933) or 250 kSPS (AD5934) analog-to-digital converter (ADC). The tunable frequency generator allows an external complex impedance to be excited with a known frequency.
The AD5933AD5933 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.
The AD5934AD5934 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.
The circuit yields accurate impedance measurements extending from the low ohm range to several hundred kΩ and also optimizes the overall accuracy of the AD5933/AD5934.
Key Applications: Chemical Analysis, Electronic Test & Measurement, Instrumentation | ||||||||||||
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Technical Documents
Learning Center
Design Elements
| Type | Description |
|---|---|
| Schematics | ADI: Schematics for EVAL-CN0217-EB1Z Evaluation Board |
| Layout | ADI: Layout for EVAL-CN0217-EB1Z |
| BOM | ADI: Bill of Material (BOM) for EVAL-CN0217-EB1Z Evaluation Board |
| Reference Design | ADI: Reference Design for AD5933 Pmod Xilinx FPGA |
Video
Kit Features
Key Features for 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
Key Features for AD5934AD5934:
- 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
Kit Contents
The Analog Devices EVAL-CN0217-EB1ZEVAL-CN0217-EB1Z kit is supplied with below contents:
- Evaluation Board