ADuC831 is a 8051 core single-chip microcomputer with 8 channels, 247 kSPS, 12-bit ADC, DC performance of ±1 LSB INL, AC performance of 71 dB SNR.
The ADuC831 is a fully integrated data acquisition system combining a high-performance 12-bit ADC, dual 12-bit DACs, and an 8051-based MCU on a single chip. It features 62 kBytes of nonvolatile Flash/EE program memory and 4 kBytes of Flash/EE data memory, along with 2304 Bytes of on-chip RAM. The device is specified for 3 V and 5 V operation over the extended industrial temperature range.
| ADC Resolution | 12 Bits |
|---|---|
| ADC Sampling Rate | 247 kSPS |
| ADC Integral Nonlinearity (DC) | +1 LSB max |
| ADC Signal-to-Noise Ratio | 71 dB typ |
| Flash Program Memory | 62 kBytes |
| Flash Data Memory | 4 kBytes |
| Data RAM | 2304 Bytes |
| Operating Voltage | 3 V and 5 V |
| Flash Endurance | 100,000 Cycles |
| Flash Data Retention | 100 Years |
The ADC operates at a sampling rate of 247 kSPS.
Yes, it uses an 8051-based core with an 8051 compatible instruction set.
The device is specified for both 3 V and 5 V operation.
Yes, it includes an on-chip temperature sensor function with +3°C accuracy.