AD7674 Rev. 0 is a high-performance 18-bit, 2.5 LSB INL, 800 kSPS SAR ADC from Analog Devices.
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 conversion up to 800 kSPS in Warp mode and provides a fully differential input range up to 5 V.
The device supports versatile interfacing options, including an 8/16/18‑bit parallel bus and a 3‑wire serial interface compatible with SPI, QSPI, Microwire and DSP protocols. It is available in 48‑lead LQFP or 48‑lead LFCSP packages and is rated for operation from –40 °C to +85 °C.
| Resolution | 18 bits |
|---|---|
| Power Dissipation (800 kSPS) | 98 mW typ |
| Supply Voltage | 5 V (AVDD, DVDD) |
| Package Options | 48‑lead LQFP or 48‑lead LFCSP |
It operates from a single 5 V supply (AVDD and DVDD both 5 V).
The device supports both parallel (8/16/18‑bit) and 3‑wire serial interfaces compatible with SPI, QSPI, Microwire and DSP.
It is offered in 48‑lead LQFP and 48‑lead LFCSP (chip‑scale) packages.