The AD7721 is a complete low power, 12-/16-bit, sigma-delta ADC that operates from a +5 V supply and provides serial and parallel interfaces. The part also supports a power-down mode.
The AD7721 is a low‑power 12‑/16‑bit sigma‑delta ADC that operates from a +5 V supply and supports both serial and parallel interfaces. It offers a 468.75 kHz output word rate, 229.2 kHz input bandwidth, and low power consumption (150 mW active, 100 µW standby).
The document provides full electrical specifications, absolute maximum ratings, pin descriptions, timing characteristics, and layout recommendations to help designers integrate the converter into their systems.
| Resolution | 16 bits |
|---|---|
| Output Word Rate | 468.75 kHz |
| Input Bandwidth | 229.2 kHz |
In unipolar mode the analog input range is 0 V to 2.5 V.
Differential nonlinearity is ±8 LSB typical.