AD7666 is a 16-bit 500 kSPS PulSAR® unipolar ADC with reference
The AD7666 is a 16‑bit, 500 kSPS charge‑redistribution SAR analog‑to‑digital converter that operates from a single 5 V supply. It offers an internal 2.5 V reference with typical drift of 3 ppm/°C and supports both parallel and 2‑wire serial interfaces compatible with 3 V and 5 V logic.
The device is available in 48‑lead LQFP and 48‑lead LFCSP packages and is specified for operation from –40 °C to +85 °C. Key performance figures include 66 mW typical power dissipation (no reference) and a 0 V to 2.5 V input voltage range.
| Resolution | 16 bits |
|---|---|
| Maximum Throughput | 500 kSPS |
| Analog Input Voltage Range | 0 V to 2.5 V |
| Supply Voltage | Single 5 V |
| Power Dissipation (typical, no REF) | 66 mW |
| Internal Reference Drift | 3 ppm/°C typical |
| Package Options | 48‑lead LQFP, 48‑lead LFCSP |
The AD7666 can sample at up to 500 kSPS.
It operates from a single 5 V supply.
The analog input voltage range is 0 V to 2.5 V.
Typical power dissipation is 66 mW when the internal reference is not used.