The AD7674 is a 18-bit SAR ADC with a maximum input range of ±VREF and support for parallel and serial 5 V/3 V interfaces.
The AD7674 is an 18‑bit charge‑redistribution SAR analog‑to‑digital converter that operates from a single 5 V supply. It offers high‑speed throughput of up to 800 kSPS in Warp mode and provides both parallel (8‑, 16‑, 18‑bit) and 3‑wire serial interfaces compatible with SPI, QSPI, Microwire and DSP protocols.
Key specifications include a typical power dissipation of 98 mW at 800 kSPS, a differential input range up to 5 V, and operation over a temperature range of –40 °C to +85 °C. The device is supplied in 48‑lead LQFP or LFCSP packages and is suited for applications such as data acquisition, medical instruments, and high‑dynamic‑range instrumentation.
| Resolution | 18 bits |
|---|---|
| Power Dissipation (typical at 800 kSPS) | 98 mW |
| Differential Input Range | up to 5 V |
| Operating Temperature Range | -40 °C to +85 °C |