The AD5372/AD5373 are 32-channel, 16-bit/14-bit, serial input, voltage output DACs.
This handbook describes the AD5372 and AD5373 32‑channel, 16‑/14‑bit voltage‑output DACs offered in 64‑lead LQFP and LFCSP packages. It covers features such as independent gain and offset trimming, channel grouping, thermal shutdown, and a high‑speed serial interface compatible with SPI, QSPI, Microwire, and DSP standards.
The document includes detailed specifications, timing diagrams for the SPI interface, calibration procedures, pin configurations, and ordering information, enabling designers to integrate the devices into instrumentation, optical attenuation, industrial control, and test equipment applications.
| Resolution | 16 bits (AD5372), 14 bits (AD5373) |
|---|---|
| Integral Nonlinearity (INL) | +4 LSB (AD5372), +1 LSB (AD5373) |
| Supply Voltage (DVce) | 2.5 V to 5.5 V |
| Maximum Output Current | 15 mA (short‑circuit) |
The AD5372 provides 16‑bit resolution while the AD5373 provides 14‑bit resolution.
The device operates from 2.5 V to 5.5 V for DVce and from 9 V to 16.5 V for Vop.
All outputs can be updated simultaneously by pulling the LDAC input low.
The serial interface can handle clock speeds of up to 50 MHz.