The AD5551 and AD5552 are single‑supply, 14‑bit, serial‑input, voltage‑output DACs that operate from 2.7 V to 5.5 V and provide an unbuffered output capable of driving 60 kΩ loads. They support SPI, QSPI™, and MICROWIRE‑compatible interfaces and are offered in 8‑lead and 14‑lead SOIC packages.
The datasheet includes sections on features, specifications, pin descriptions, timing diagrams, typical performance curves, power‑on reset behavior, microprocessor interfacing examples, and application notes such as optocoupler isolation and multi‑device decoding.
| Supply voltage (VDD) | 2.7 V to 5.5 V |
|---|---|
| Resolution | 14 bits |
| Power dissipation (typical) | 0.625 mW at 5 V |
| Output settling time | 1 µs to ½ LSB of full‑scale |
| Output impedance | 6.25 kΩ |
The devices operate from a single supply voltage between 2.7 V and 5.5 V.
Both DACs provide 14‑bit resolution.
Typical power dissipation is 0.625 mW when powered at 5 V.
The unbuffered output can drive loads up to 60 kΩ without an external buffer.