ADUC841BCPZ8-5

Microcontrollers Overview

The ADUC841BCPZ8-5 is an 8-bit MicroConverter integrating a single-cycle 20 MIPS 8052 core with high-speed analog peripherals. It features a 12-bit ADC operating at 420 kSPS and dual 12-bit voltage output DACs. The device includes 62 kB of Flash/EE program memory, 4 kB of Flash/EE data memory, and 2304 bytes of on-chip RAM. It supports 3 V or 5 V operation and utilizes a 52-lead MQFP package.

Microcontrollers Feature Summary

• Integrates a high-performance single-cycle 8052 microcontroller core with up to 20 MIPS peak performance.
• Includes a self-calibrating 12-bit analog-to-digital converter capable of 420 kSPS sampling rates.
• Features dual 12-bit digital-to-analog converters for precise voltage output generation.
• Provides extensive nonvolatile memory with in-circuit reprogrammable Flash/EE capabilities.

Microcontrollers Applications

• Optical networking laser power control
• Base station systems
• Precision instrumentation and smart sensors
• Transient capture systems

Microcontrollers Procurement Notes

Verify the specific suffix BCPZ8-5 against the manufacturer's current ordering guide to confirm package type and temperature range. Ensure the design supports the required 3 V or 5 V supply rails as specified in the electrical characteristics. Confirm that the 52-lead MQFP footprint matches the PCB layout requirements before finalizing procurement.

Microcontrollers Selection Notes

Select this component when a combined MCU and precision data acquisition system is required on a single chip. It is suitable for applications needing direct interface to sensors without external signal conditioning. Consider the pin-compatible upgrade path from older ADuC812 or ADuC831 designs if existing hardware layouts must be preserved while gaining higher performance.

Microcontrollers Part Context

This part belongs to the Analog Devices MicroConverter family, designed to simplify transducer front-end designs. It replaces discrete solutions by combining processing, analog input, and analog output functions. The ADUC841 variant specifically uses an external crystal for clocking, distinguishing it from PLL-based siblings like the ADUC842.

Microcontrollers Replacement Considerations

The ADUC842BCPZ8-5 and ADUC843BCPZ8-5 are pin-compatible upgrades within the same datasheet. The ADUC842 differs only in its internal PLL clocking mechanism. The ADUC843 lacks the analog DAC outputs found in the ADUC841.