Overview
The ADUC841BSZ62-3 is a precision analog microcontroller from Analog Devices Inc., designed as a complete smart transducer front end. It integrates a high-performance self-calibrating multichannel ADC, a dual DAC, and an optimized single-cycle 20 MHz 8-bit MCU (8051 instruction set compatible) on a single chip. This microcontroller is part of the ADuC841 series, which includes variations such as the ADuC842 and ADuC843, differing mainly in their clock oscillator circuits. The ADUC841BSZ62-3 is particularly noted for its high-speed ADC, dual DACs, and extensive on-chip peripherals, making it suitable for a wide range of applications requiring precise analog and digital signal processing.
Key Specifications
| Specification | Value |
|---|---|
| Microcontroller Core | 8051 compatible, 20 MHz single-cycle core |
| ADC | 8-channel, 12-bit, 420 kSPS |
| DAC | Dual 12-bit voltage output DACs |
| Memory | Up to 62 kBytes Flash/EE program memory, 4 kBytes Flash/EE data memory, 256 bytes RAM, 2 kBytes extended RAM |
| Clock Oscillator | Clocked directly from an external crystal up to 20 MHz |
| Package | 52-Lead MQFP (10mm x 10mm) |
| Supply Voltage | 2.7 V to 5.5 V |
| Temperature Range | -40°C to +85°C |
| Serial Interfaces | UART, I2C, SPI |
| Other Peripherals | Watchdog timer, time interval counter, power supply monitor, on-chip temperature monitor |
Key Features
- High-speed 12-bit ADC with 420 kSPS and self-calibration capabilities.
- Dual 12-bit DACs for precise analog output.
- On-chip temperature monitor and power supply monitor.
- Extensive digital peripherals including UART, I2C, SPI, watchdog timer, and time interval counter.
- In-circuit reprogrammable Flash/EE memory with 100-year retention and 100 kCycle endurance.
- Support for single-pin emulation mode and in-circuit serial download/debug via UART.
Applications
The ADUC841BSZ62-3 is ideal for various applications requiring high precision analog and digital signal processing, such as industrial control systems, medical devices, automotive systems, and smart sensors. Its integrated ADC and DAC make it particularly suitable for data acquisition and control in environments where precise analog-to-digital and digital-to-analog conversions are critical.
Q & A
- What is the core frequency of the ADUC841BSZ62-3 microcontroller? The core frequency is up to 20 MHz.
- How many channels does the ADC have, and what is its resolution? The ADC has 8 channels and a resolution of 12 bits.
- What types of DACs are integrated into the ADUC841BSZ62-3? The microcontroller includes dual 12-bit voltage output DACs.
- What is the memory configuration of the ADUC841BSZ62-3? It includes up to 62 kBytes of Flash/EE program memory, 4 kBytes of Flash/EE data memory, 256 bytes of RAM, and 2 kBytes of extended RAM.
- What are the serial communication interfaces available on the ADUC841BSZ62-3? The microcontroller supports UART, I2C, and SPI interfaces.
- Does the ADUC841BSZ62-3 support in-circuit programming? Yes, it supports in-circuit reprogrammable Flash/EE memory.
- What is the operating temperature range of the ADUC841BSZ62-3? The operating temperature range is -40°C to +85°C.
- What package options are available for the ADUC841BSZ62-3? It is available in a 52-Lead MQFP (10mm x 10mm) package.
- Does the ADUC841BSZ62-3 have any on-chip temperature monitoring capabilities? Yes, it includes an on-chip temperature monitor.
- What is the supply voltage range for the ADUC841BSZ62-3? The supply voltage range is 2.7 V to 5.5 V.
