Overview
The ADUC845BSZ62-5, produced by Analog Devices Inc., is a highly integrated microcontroller from the ADuC800 series. This device is built around an enhanced 8052 core, offering superior performance with a single-cycle speed of 12.58 MIPs. It is designed to meet the demands of various industrial and commercial applications, particularly those requiring multiple analog inputs and high-performance signal processing.
The ADUC845BSZ62-5 is an upgrade to the ADuC834 and ADuC836, featuring extended data RAM, fast program security, and a range of on-chip peripherals. This makes it an ideal choice for applications such as multichannel sensor monitoring, industrial/environmental instrumentation, and precision system monitoring.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADUC845BSZ62-5 |
| Core Processor | 8052 |
| Core Size | 8-Bit |
| Maximum Clock Frequency | 12.58 MHz |
| Program Memory Size | 62 kB FLASH |
| Program Memory Type | FLASH/EE |
| EEPROM Size | 4 kB x 8 |
| RAM Size | 2.25 kB x 8 |
| Voltage Supply (Vcc/Vdd) | 4.75V ~ 5.25V |
| Operating Temperature | -40°C ~ 125°C |
| Package Type | MQFP-52 (10x10) |
| Number of I/Os | 34 |
| ADC Resolution | 10 x 24-bit |
| DAC Resolution | 1 x 12-bit, 2 x 16-bit Σ-Δ |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | POR, PSM, PWM, Temp Sensor (ADuC845 only), WDT |
Key Features
- Exceptional ADC Quality: Up to 10 ADC input channels with 24-bit no missing codes and 22-bit rms (19.5 bit p-p) effective resolution.
- Extended Data RAM: 2.25 kB of on-chip data RAM.
- Fast Program Security: Three levels of Flash/EE program memory security.
- High-Performance Core: Single-cycle 8052-based core with a maximum clock frequency of 12.58 MHz.
- On-Chip Peripherals: Includes internal power-on reset circuit, dual 16-bit Σ-Δ DACs, on-chip temperature sensor (ADuC845 only), and dual excitation current sources.
- Serial I/O: UART, SPI®, and I2C® serial I/O with high-speed dedicated baud rate generator.
- Power Management: Low power consumption with normal mode current of 4.8 mA max at 3.6 V and power-down mode current of 20 μA max.
Applications
- Multichannel Sensor Monitoring: Ideal for applications requiring multiple analog inputs.
- Industrial/Environmental Instrumentation: Suitable for weigh scales, pressure sensors, and temperature monitoring.
- Portable Instrumentation: Battery-powered systems benefit from its low power consumption.
- Data Logging and Precision System Monitoring: High accuracy and reliability make it suitable for precision system monitoring.
Q & A
- What is the core processor of the ADUC845BSZ62-5?
The core processor is an enhanced 8052 core.
- What is the maximum clock frequency of the ADUC845BSZ62-5?
The maximum clock frequency is 12.58 MHz.
- How much program memory does the ADUC845BSZ62-5 have?
The device has 62 kB of FLASH program memory.
- What is the operating temperature range of the ADUC845BSZ62-5?
The operating temperature range is -40°C to +125°C.
- What types of serial I/O does the ADUC845BSZ62-5 support?
The device supports UART, SPI®, and I2C® serial I/O.
- What is the power consumption in normal mode at 3.6 V?
The power consumption in normal mode is 4.8 mA max at 3.6 V.
- Does the ADUC845BSZ62-5 have on-chip temperature sensor?
Yes, the ADuC845 model includes an on-chip temperature sensor.
- What is the resolution of the ADC in the ADUC845BSZ62-5?
The ADC resolution is up to 24-bit.
- What types of DACs are included in the ADUC845BSZ62-5?
The device includes one 12-bit voltage output DAC and two 16-bit Σ-Δ DACs.
- Is the ADUC845BSZ62-5 RoHS compliant?
Yes, the ADUC845BSZ62-5 is RoHS compliant.
