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AD5934YRSZ-REEL7 PDF预览

AD5934YRSZ-REEL7

更新时间: 2024-11-07 03:02:39
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
32页 520K
描述
250 kSPS, 12-Bit Impedance Converter, Network Analyzer

AD5934YRSZ-REEL7 数据手册

 浏览型号AD5934YRSZ-REEL7的Datasheet PDF文件第2页浏览型号AD5934YRSZ-REEL7的Datasheet PDF文件第3页浏览型号AD5934YRSZ-REEL7的Datasheet PDF文件第4页浏览型号AD5934YRSZ-REEL7的Datasheet PDF文件第5页浏览型号AD5934YRSZ-REEL7的Datasheet PDF文件第6页浏览型号AD5934YRSZ-REEL7的Datasheet PDF文件第7页 
250 kSPS, 12-Bit Impedance Converter,  
Network Analyzer  
AD5934  
FEATURES  
GENERAL DESCRIPTION  
Programmable output peak-to-peak excitation voltage  
to a max frequency of 100 kHz  
Programmable frequency sweep capability with  
serial I2C® interface  
Frequency resolution of 27 bits (<0.1 Hz)  
Impedance measurement range from 100 Ω to 10 MΩ  
Phase measurement capability  
The AD5934 is a high precision impedance converter system  
solution which 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.  
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  
The magnitude of the impedance and relative phase of the  
impedance at each frequency point along the sweep is easily  
calculated using the following two equations:  
APPLICATIONS  
Electrochemical analysis  
Bioelectrical impedance analysis  
Impedance spectroscopy  
Complex impedance measurement  
Corrosion monitoring and protection equipment  
Biomedical and automotive sensors  
Proximity sensing  
2
2
Magnitude= R + I  
Phase =Tan1(I / R)  
Table 1. Related Devices  
Part No.  
Description  
Nondestructive testing  
Material property analysis  
AD5933  
2.7 V to 5.5 V. 1 MSPS, 12-bit impedance, with  
internal temperature sensor, 16-lead SSOP.  
Fuel/battery cell condition monitoring  
FUNCTIONAL BLOCK DIAGRAM  
MCLK  
AVDD  
DVDD  
DDS  
CORE  
DAC  
(27 BITS)  
R
VOUT  
OUT  
SCL  
SDA  
2
I C  
INTERFACE  
Z(ω)  
AD5934  
REAL  
IMAGINARY  
REGISTER REGISTER  
RFB  
VIN  
1024-POINT DFT  
ADC  
(12 BITS)  
GAIN  
LPF  
VDD/2  
AGND  
DGND  
Figure 1.  
Rev. 0  
Information furnished by Analog Devices is believed to be accurate and reliable.  
However, no 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. Trademarks and  
registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  
 

AD5934YRSZ-REEL7 替代型号

型号 品牌 替代类型 描述 数据表
AD5934YRSZ ADI

完全替代

250 kSPS, 12-Bit Impedance Converter, Network Analyzer
AD5933YRSZ-REEL7 ADI

类似代替

1 MSPS, 12-Bit Impedance Converter, Network Analyzer
AD5933YRSZ ADI

类似代替

1 MSPS, 12-Bit Impedance Converter, Network Analyzer

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