AD5933YRSZ-REEL7 datasheet & price | pdf

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AD5933YRSZ-REEL7 Pinout Equivalent Circuit

ad5933yrsz-reel7 pinout

AD5933YRSZ-REEL7 is an integrated chip produced by Analog Devices for high-precision impedance converters. It integrates a 12 bit, 1 MSPS analog-to-digital converter (ADC) and a frequency generator (used to generate signals to trigger external impedance), as well as a DSP processor for discrete Fourier transform (DFT). The programmable output frequency can reach up to 100 kHz, and measurements can be made within the impedance range of 1 k Ω to 10 M Ω using additional amplification circuits and other circuits.

Pin function:

Alternative model selection:

Due to the special nature of the AD5933YRSZ-REEL7 model, it is not easy for us to find exactly the same one. For example, only its own chip meets the requirements in terms of resolution, sampling rate, interface type, and packaging as the AD5933YRSZ-REEL7; So for the alternative options below, I will adopt a partially compatible form.

Picture	Name	Resolution	Sampling Rate Interface	Type Encapsulation	Package
	AD7490BRUZ-REEL7	12-bit	1MHz	SPI	TSSOP-28
	XC2362A	12-bit	1MHz	SPI	SOT-23-6
	ADS8638SRGER	12-bit	1MHz	SPI	ADS8638SRGER
	AD7265BSUZ-REEL7	12-bit	1MHz	SPI, QSPI	TQFP-32(7×7)
	AD7992BRMZ-1REEL	12-bit	188kHz	I2C	MSOP-10

Typical applications:

The main application areas include electrochemical analysis, which is mainly used to measure the impedance characteristics of batteries and electrolyte solutions;

Biological impedance analysis, used to measure impedance parameters of human tissues to verify diseases and other conditions;

Defect detection is mainly used to provide impedance to determine whether there are defects inside invisible objects;

For example, in biomedical applications, ad5933yrsz-reel7 can be used for non-invasive blood impedance detection. The specific circuit is shown below:

When different strains of bacteria are present in the blood, chemical reactions occur that cause changes in the impedance of the blood. This phenomenon can help us detect them without the need to draw blood. For example, a certain strain may produce certain impedance characteristics at a frequency of 100kHz, while other strains may only have corresponding impedance characteristics at other frequencies. To detect different strains, we can use AD5933 for scanning, connect the stimulus signal to the blood sample through a probe, and then analyze the response model to list the effective impedance generated by the blood. Due to its ability to perform frequency scanning, AD5933 is highly suitable for applications that require multiple frequency excitations.