Блог компании AD5934YRSZ: Precise Impedance Measurement—Mingjiada Electronics Supplies ADI High-Precision Impedance Converters

Shenzhen Mingjiada Electronics Co., Ltd. specializes in supplying genuine ADI (Analog Devices) AD5934YRSZ products. We maintain ample stock and offer technical support and bulk supply services.

AD5934YRSZ Product Description

The AD5934YRSZ is a high-precision impedance conversion system-on-chip (SoC) developed by Analog Devices (ADI). It is housed in a 16-pin SSOP package, featuring high integration and a simple peripheral circuit. The chip integrates a programmable frequency generator, a 12-bit 250 kSPS analog-to-digital converter (ADC), and a digital signal processor (DSP). It can be configured via an I²C interface to drive, sample, and perform DFT (Discrete Fourier Transform) processing on external complex impedance, directly outputting impedance magnitude and phase data. This eliminates the need for additional processing chips, significantly simplifying system design.

As an industrial-grade device, the AD5934YRSZ operates within a temperature range of **-40°C to +125°C** and supports a supply voltage of 2.7V to 5.5V. It is suitable for harsh industrial environments and low-power portable devices, making it a core solution for impedance measurement and sensing applications.

Specifications

Brand / Manufacturer: ADI (Analog Devices)

Product Model: AD5934YRSZ

Package: 16-SSOP (Surface Mount)

Resolution: 12-bit

Sampling Rate: 250 kSPS

Frequency Range: Up to 100 kHz (programmable)

Frequency Resolution: 27 bits (<0.1 Hz)

Impedance Measurement Range: 1 kΩ to 10 MΩ (100 Ω to 1 kΩ with additional circuitry)

Phase Measurement: Supported

System Accuracy: ±0.5%

Communication Interface: I²C (serial)

Operating Voltage: 2.7 V to 5.5 V

Operating Temperature: -40°C to +125°C (industrial grade)

Number of Pins: 16

AD5934YRSZ Key Features

Highly Integrated, Simplified Design: Integrates a frequency generator, 12-bit ADC, and DSP. A single chip handles impedance excitation, sampling, and DFT calculations, eliminating the need for additional signal processing units. Minimal peripheral components reduce R&D cycles.

High-precision measurement, stable performance: System accuracy reaches **±0.5%**, with 27-bit ultra-high frequency resolution (<0.1 Hz), enabling precise measurement of impedance magnitude and phase, suitable for high-precision sensing applications.

Programmable Configuration for Flexible Adaptation: Excitation voltage, frequency scan range, and step size are programmable via the I²C interface. With a maximum output frequency of 100 kHz, it accommodates diverse impedance and frequency requirements.

Wide Temperature and Voltage Range for Strong Environmental Adaptability: Industrial-grade temperature range (-40°C to +125°C) and a wide supply voltage range of 2.7 V to 5.5 V ensure compatibility with both industrial power supplies and portable device batteries.

Low-Power Design for Portable Applications: With low quiescent power consumption and support for low-power modes, it is suitable for battery-powered portable medical devices and wireless sensing terminals.

Compact Package for PCB Space Savings: The 16-SSOP surface-mount package is compact, making it ideal for high-density PCB layouts and miniaturized device designs.

Typical Applications

Thanks to its high precision and high integration, the AD5934YRSZ is widely used in the following fields:

Medical Electronics: Bioimpedance Analysis (BIA), body composition analyzers, ECG monitoring devices, blood impedance detection, and non-invasive glucose monitoring.

Industrial Automation: Corrosion monitoring and protection, material impedance testing, non-destructive testing (NDT), sensor signal conditioning, and equipment condition monitoring.

Electrochemical Analysis: Electrochemical Impedance Spectroscopy (EIS), battery/fuel cell health monitoring, electrolyte concentration detection, sensor calibration.

Consumer Electronics and IoT: Proximity sensing, touch sensing, smart wearable devices, smart home sensors, posture detection modules.

Automotive Electronics: In-vehicle sensors, tire pressure monitoring, battery management systems (BMS), environmental monitoring sensors.

Supply Information

Shenzhen Mingjiada Electronics Co., Ltd. has AD5934YRSZ in stock. This model is packaged in an SSOP-16 package and offers the latest ROHS-compliant version. Mingjiada guarantees that all products are brand new and genuine.

Purchase and Inquiries:

Company: Shenzhen Mingjiada Electronics Co., Ltd.

Part Number: AD5934YRSZ (ADI)

Package Type: SSOP-16

Contact: +86-755-83294757 or sales@hkmjd.com