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AD5934
Analog Devices AD5934 Measurement Chip Manuals
Manuals and User Guides for Analog Devices AD5934 Measurement Chip. We have
1
Analog Devices AD5934 Measurement Chip manual available for free PDF download: Manual
Analog Devices AD5934 Manual (40 pages)
Brand:
Analog Devices
| Category:
Measuring Instruments
| Size: 0 MB
Table of Contents
Features
1
Applications
1
General Description
1
Functional Block Diagram
1
Table of Contents
2
Revision History
3
Specifications
4
I C Serial Interface Timing Characteristics
6
Absolute Maximum Ratings
7
ESD Caution
7
Pin Configuration and Function Descriptions
8
Typical Performance Characteristics
9
Teminology
11
System Description
12
Transmit Stage
13
Frequency Sweep Command Sequence
14
Receive Stage
14
DFT Operation
14
Impedance Calculation
15
Magnitude Calculation
15
Gain Factor Calculation
15
Impedance Calculation Using Gain Factor
15
Gain Factor Variation with Frequency
15
2-Point Calibration
16
2-Point Gain Factor Calculation
16
Gain Factor Setup Configuration
16
Gain Factor Recalculation
16
Gain Factor Temperature Variation
17
Impedance Error
17
Measuring the Phase Across an Impedance
19
Performing a Frequency Sweep
21
Register Map
22
Control Register (Register Address 0X80, Register Address 0X81)
22
Start Frequency Register (Register Address 0X82, Register Address 0X83, Register Address 0X84)
23
Frequency Increment Register (Register Address 0X85, Register Address 0X86, Register Address 0X87)
23
Number of Increments Register (Register Address 0X88, Register Address 0X89)
24
Number of Settling Time Cycles Register (Register Address 0X8A, Register Address 0X8B)
24
Status Register (Register Address 0X8F)
24
Real and Imaginary Data Registers (16 Bits-Register Address 0X94, Register Address 0X95, Register Address 0X96, Register Address 0X97)
25
Serial Bus Interface
26
General I 2 C Timing
26
Writing/Reading to the AD5934
27
Block Write
27
Read Operations
28
Typical Applications
29
Measuring Small Impedances
29
Biomedical: Noninvasive Blood Impedance Measurement
30
Sensor/Complex Impedance Measurement
31
Electro-Impedance Spectroscopy
31
Choosing a Reference for the AD5934
32
Layout and Configuration
33
Power Supply Bypassing and Grounding
33
Evaluation Board
34
Using the AD5934 Evaluation Board
34
Prototyping Area
34
Crystal Oscillator (XO) Vs. External Clock
34
Schematics
35
Bill of Materials
39
Outline Dimensions
40
Ordering Guide
40
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