This document describes the features and characteristics of Analog Devices' ADuC831 product, including 8-channel, 247 kSPS 12-bit ADC, 71 dB SNR, DMA controller, etc.
The ADuC831 is a fully integrated 12‑bit microconverter that combines an 8‑channel ADC, dual DACs, on‑chip flash memory, and an 8052‑compatible MCU core on a single chip. It is designed for precision instrumentation, smart sensors, and data‑capture applications and operates from 3 V or 5 V supplies.
The document provides a complete feature list, functional block diagram, detailed electrical specifications, absolute maximum ratings, pin‑out diagrams, timing diagrams, and ordering guide for the 52‑lead plastic quad flat‑pack and 56‑lead chip‑scale packages.
| Power‑Down Current | 20 pA @ 3 V |
|---|---|
| Supply Voltage | 3 V and 5 V |
In power‑down mode the device consumes 20 pA at a 3 V supply.