This document describes the features and characteristics of the ADuC842 MicroConverter® product, including enhanced performance, increased memory, smaller package, and analog I/O capabilities.
The ADuC842 is a complete smart transducer front-end integrating a high-performance self-calibrating multichannel ADC, dual DAC, and an optimized single-cycle 16MHz 8-bit MCU based on the 8051 instruction set. The device operates from a 32 kHz crystal with an on-chip PLL generating a high-frequency clock of 16.77MHz.
| ADC Resolution | 12 Bits |
|---|---|
| ADC Sampling Rate | 400kSPS |
| Flash Memory | 62Kbytes |
| Data Memory | 4KBytes |
| RAM | 2304 Bytes |
| DAC Resolution | 12 Bits |
| MCU Clock Rate | 16.777216 MHz |
| Power Supply Current (Normal) | 6 mA |
| Power Supply Current (Power-Down) | 15 µA |
Yes, it is pin compatible with the ADuC812 and ADuC832.
The maximum operating frequency is 16.777MHz.
Yes, it incorporates an on-chip temperature monitor function.