The AD5934 is a high precision impedance converter, network analyzer, which can measure complex impedance, frequency range is 0.1Hz to 100kHz, measurement accuracy is 0.5%, supports 2.7 to 5.5V power supply, working temperature range is -40 to 125℃, package is 16-lead SSOP.
The AD5934 is a high‑precision 12‑bit impedance converter with an on‑board frequency generator and DSP engine. It supports programmable excitation voltage up to 100 kHz, frequency sweeps, and provides real and imaginary data for complex impedance measurement.
The document lists electrical specifications, pin assignments, serial‑interface timing, and typical performance graphs. It also includes application areas such as electrochemical analysis, bio‑impedance, corrosion monitoring, and automotive sensors.
| Impedance Range | 0.001 – 10 MΩ |
|---|---|
| Total System Accuracy | 0.5 % |
| Output Frequency Range | 1 kHz – 100 kHz |
| Output Frequency Resolution | <0.1 Hz |
| MCLK Frequency | 16.776 MHz |
| AC Output Excitation Voltage (Range 1) | 1.98 Vp‑p |
| Supply Voltage (VDD) | 2.7 V – 5.5 V |
| ADC Resolution | 12 bits |
| ADC Sampling Rate | 250 kSPS |
| Input Leakage Current | 1 nA |
| Input Capacitance | 0.01 fF |
| Operating Temperature Range | -40 °C to +125 °C |
The AD5934 operates from 2.7 V to 5.5 V supply voltage.
The device provides a total system accuracy of 0.5 %.
It can generate frequencies from 1 kHz up to 100 kHz.
The on‑chip ADC has a 12‑bit resolution.