The ADuC814 is a fully integrated 12‑bit, 247 kSPS ADC with an on‑chip 8051‑compatible MCU, dual 12‑bit DACs, flash memory, and a range of digital peripherals. It operates from a single 3 V or 5 V supply and supports low‑power modes, making it suitable for battery‑powered and precision sensor applications.
The document includes detailed specifications, absolute maximum ratings, pin descriptions, ADC and DAC performance data, memory organization, power‑supply requirements, and functional block diagrams, allowing designers to integrate the device into their systems with confidence.
| ADC resolution | 12 bits |
|---|---|
| Maximum ADC sampling rate | 147 kSPS |
| Flash program memory | 8 kBytes |
| Flash data memory | 640 bytes |
| DAC resolution | 12 bits |
| Normal mode current consumption (3 V) | 3 mA |
The device operates from –40 °C to +125 °C.
It includes 8 kBytes of program flash and 640 bytes of data flash memory.
The ADC can sample at up to 147 kSPS with 12‑bit resolution.
The device draws about 3 mA in normal operation at 3 V.