The datasheet introduces AD5932, a programmable frequency scan waveform generator. The device utilizes embedded digital processing to achieve enhanced frequency control, and can generate synthesized sinusoidal, triangular and square waves.
This handbook describes the AD5932 programmable frequency‑scan waveform generator. It outlines the device’s key features such as programmable frequency profiles, up to 25 MHz output, burst‑and‑listen capability, and low‑power operation. The document includes functional block diagrams, pin descriptions, and guidance for interfacing via a 3‑wire serial interface.
Technical specifications are provided, covering supply voltage (2.3 V‑5.5 V), DAC resolution (10 bits), update rate (50 MSPS), timing parameters, absolute maximum ratings, and ESD precautions. Application examples include frequency scanning, radar, impedance measurements, and motion sensing.
| Supply Voltage (AVDD/DVDD) | 2.3 V to 5.5 V |
|---|---|
| DAC Resolution | 10 Bits |
| DAC Update Rate | 50 MSPS |
| VOUT Peak‑to‑Peak | 0.58 V |
| VOUT Temperature Coefficient | 200 ppm/°C |
| Integral Nonlinearity (INL) | 41.5 LSB |
| Differential Nonlinearity (DNL) | 40.75 LSB |
| Signal‑to‑Noise Ratio | 53–60 dB |
| Wake‑Up Time | 1.7 ms |
| Output Rise/Fall Time | 12 ns |
The automotive version operates from –40 °C to +125 °C.
The device runs from 2.3 V to 5.5 V on both AVDD and DVDD.
The DAC provides a 10‑bit resolution.
The 3‑wire serial interface can operate up to 40 MHz.