The AD7651 is a 16-bit, 100 kSPS, PulSAR unipolar ADC with reference, operating from a single 5V supply.
The AD7651 is a 16‑bit, 100 kSPS charge‑redistribution SAR analog‑to‑digital converter that operates from a single 5 V supply. It includes an internal reference, error‑correction circuitry, and supports both parallel and 2‑wire serial interfaces compatible with 3 V and 5 V logic levels.
The document provides detailed specifications, timing diagrams, absolute maximum ratings, pin‑out descriptions, power‑dissipation curves, and application hints for data‑acquisition, instrumentation, and medical‑instrument use cases.
| Resolution | 16 bits |
|---|---|
| Throughput | 100 kSPS |
| Power Dissipation (no REF, 100 kSPS) | 16 mW typ |
| Analog Input Voltage Range | 0 V to 2.5 V |
| Operating Temperature Range | -40°C to +85°C |
The AD7651 can sample at up to 100 kSPS.
It operates from a single 5 V supply (AVDD 4.75‑5.25 V, DVDD 4.75‑5.25 V).