Overview
The ADUC831BSZ-REEL, manufactured by Analog Devices Inc., is a fully integrated 8-bit microcontroller and data acquisition system. This MicroConverter integrates a high-performance, self-calibrating, multi-channel 12-bit analog-to-digital converter (ADC), dual 12-bit digital-to-analog converters (DACs), and an 8051-based microcontroller core on a single chip. The device is designed to provide comprehensive analog and digital functionality, making it suitable for a variety of applications requiring precise data acquisition and control.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| ADC Channels | Number of ADC channels | 8 channels |
| ADC Resolution | Resolution of the ADC | 12-bit |
| ADC Sampling Rate | Maximum sampling rate of the ADC | 247 kSPS |
| DACs | Number and resolution of DACs | 2 x 12-bit |
| Microcontroller Core | Type of microcontroller core | 8051-based |
| Clock Speed | Maximum clock speed of the microcontroller | 16 MHz |
| Memory | Types and amounts of on-chip memory | 62 kBytes Flash/EE program memory, 4 kBytes Flash/EE data memory, 2304 Bytes RAM |
| Power Supply | Operating voltage range | 3 V to 5 V |
| Power Consumption | Power consumption in power-down mode | 20 µA @ 3 V |
| Interfaces | Available serial interfaces | UART, I2C, SPI |
Key Features
- 8-channel, 247 kSPS 12-bit ADC with high DC and AC performance (1 LSB INL, 71 dB SNR)
- Dual 12-bit voltage output DACs and dual output PWM/Σ-Δ DACs
- On-chip temperature sensor and voltage reference
- 8051-based microcontroller core with 8051-compatible instruction set
- On-chip peripherals including watchdog timer, power supply monitor, time interval counter, and serial I/O ports (UART, I2C, SPI)
- Support for in-circuit serial download and debug modes via UART and single-pin emulation mode via the EA pin
- Low power modes including idle and power-down modes
Applications
- Optical networking—laser power control
- Base station systems
- Precision instrumentation and smart sensors
- Transient capture systems
- Data acquisition and communication systems
- Pin-compatible upgrade to existing ADuC812 systems requiring additional code or data memory
Q & A
- What is the ADUC831BSZ-REEL?
The ADUC831BSZ-REEL is a MicroConverter from Analog Devices Inc., integrating an 8-bit microcontroller, a 12-bit ADC, and dual 12-bit DACs on a single chip. - What is the sampling rate of the ADC?
The ADC has a maximum sampling rate of 247 kSPS. - How many DACs does the ADUC831BSZ-REEL have?
The device includes two 12-bit voltage output DACs. - What type of microcontroller core does it use?
The microcontroller core is based on the 8051 architecture. - What is the maximum clock speed of the microcontroller?
The maximum clock speed is 16 MHz. - What types of memory are available on the chip?
The device includes 62 kBytes of Flash/EE program memory, 4 kBytes of Flash/EE data memory, and 2304 Bytes of RAM. - What are the operating voltage ranges for the ADUC831BSZ-REEL?
The device operates within the voltage range of 3 V to 5 V. - What are the power consumption characteristics in power-down mode?
In power-down mode, the device consumes 20 µA at 3 V. - What serial interfaces are available on the ADUC831BSZ-REEL?
The device supports UART, I2C, and SPI interfaces. - What are some typical applications for the ADUC831BSZ-REEL?
Typical applications include optical networking, base station systems, precision instrumentation, transient capture systems, and data acquisition and communication systems.
