ADUC7021BCPZ32

Overview

The ADUC7021BCPZ32 is a precision analog microcontroller featuring an ARM7TDMI core, 62 kB Flash/EE memory, and 8 kB SRAM. It integrates a 1 MSPS, 12-bit ADC with up to 16 channels and supports single-ended or differential input modes. The device includes a 12-bit DAC, on-chip voltage reference, temperature sensor, and comparator. Operating at 41.78 MHz, it consumes 120 mW and functions within a 2.7 V to 3.6 V supply range across -40°C to +125°C.

Feature Summary

• Integrates a high-performance ARM7TDMI RISC microcontroller core with nonvolatile Flash/EE memory and static RAM.
• Provides a fully integrated 1 MSPS, 12-bit data acquisition system with multiple configurable analog input channels.
• Includes on-chip peripherals such as a 12-bit voltage output DAC, low drift band gap reference, and temperature sensor.

Applications

• Industrial control and automation systems
• Smart sensors and precision instrumentation
• Base station systems and optical networking

Procurement Notes

Verify the specific suffix against the manufacturer's ordering guide to confirm package type and temperature rating. Ensure compatibility with required development tools for in-circuit serial download via UART or I2C. Confirm that the selected variant matches the necessary GPIO count and peripheral availability for the target design.

Selection Notes

Select this component when a combined MCU and high-speed data acquisition system is required. Evaluate the available ADC channel count and DAC presence against the application needs. Consider the power consumption profile at the intended operating frequency and verify support for JTAG-based debugging during the design phase.

Part Context

This part belongs to the ADuC70xx MicroConverter family from Analog Devices. These devices are designed to simplify mixed-signal applications by integrating analog front ends with digital processing cores. The ADUC7021 variant specifically offers a defined set of analog inputs and outputs suitable for general-purpose precision measurement tasks.

Replacement Considerations

Consult the official ordering guide for verified substitutes within the ADuC70xx series. Cross-reference pinouts and peripheral configurations to ensure functional equivalence. Verify that any alternative part maintains the required memory size and clock speed specifications.