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Analog Devices Semiconductor Electronic Components Datasheet

AD5933 Datasheet

1 MSPS 12-Bit Impedance Converter

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AD5933 pdf
Data Sheet
1 MSPS, 12-Bit Impedance
Converter, Network Analyzer
AD5933
FEATURES
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
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
GENERAL DESCRIPTION
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.
FUNCTIONAL BLOCK DIAGRAM
MCLK
AVDD
DVDD
OSCILLATOR
SCL
SDA
I2C
INTERFACE
DDS
CORE
(27 BITS)
TEMPERATURE
SENSOR
DAC
ROUT
VOUT
Z(ω)
REAL IMAGINARY
REGISTER REGISTER
1024-POINT DFT
ADC
(12 BITS)
AGND
DGND
AD5933
GAIN
LPF
Figure 1.
RFB
VIN
VDD/2
Rev. E
Document Feedback
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responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2005–2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com


Analog Devices Semiconductor Electronic Components Datasheet

AD5933 Datasheet

1 MSPS 12-Bit Impedance Converter

No Preview Available !

AD5933 pdf
AD5933* Product Page Quick Links
Last Content Update: 08/30/2016
Comparable Parts
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Evaluation Kits
• AD5933 Evaluation Board
Documentation
Application Notes
• AN-1053: AD5933 Evaluation Board Example
Measurement
• AN-1252: How to Configure the AD5933/AD5934
• AN-1389: Recommended Rework Procedure for the Lead
Frame Chip Scale Package (LFCSP)
• AN-237: Choosing DACs for Direct Digital Synthesis
• AN-280: Mixed Signal Circuit Technologies
• AN-342: Analog Signal-Handling for High Speed and
Accuracy
• AN-345: Grounding for Low-and-High-Frequency Circuits
• AN-419: A Discrete, Low Phase Noise, 125 MHz Crystal
Oscillator for the AD9850
• AN-423: Amplitude Modulation of the AD9850 Direct
Digital Synthesizer
• AN-543: High Quality, All-Digital RF Frequency
Modulation Generation with the ADSP-2181 and the
AD9850 DDS
• AN-557: An Experimenter's Project:
• AN-587: Synchronizing Multiple AD9850/AD9851 DDS-
Based Synthesizers
• AN-605: Synchronizing Multiple AD9852 DDS-Based
Synthesizers
• AN-621: Programming the AD9832/AD9835
• AN-632: Provisionary Data Rates Using the AD9951 DDS
as an Agile Reference Clock for the ADN2812 Continuous-
Rate CDR
• AN-769: Generating Multiple Clock Outputs from the
AD9540
• AN-772: A Design and Manufacturing Guide for the Lead
Frame Chip Scale Package (LFCSP)
• AN-823: Direct Digital Synthesizers in Clocking
Applications Time
• AN-837: DDS-Based Clock Jitter Performance vs. DAC
Reconstruction Filter Performance
• AN-843: Measuring a Loudspeaker Impedance Profile
Using the AD5933
• AN-847: Measuring a Grounded Impedance Profile Using
the AD5933
• AN-851: A WiMax Double Downconversion IF Sampling
Receiver Design
• AN-927: Determining if a Spur is Related to the DDS/DAC
or to Some Other Source (For Example, Switching
Supplies)
• AN-939: Super-Nyquist Operation of the AD9912 Yields a
High RF Output Signal


Part Number AD5933
Description 1 MSPS 12-Bit Impedance Converter
Maker Analog Devices
Total Page 30 Pages
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