Overview
The ADUC7021BCPZ32-RL7 is a precision analog microcontroller from Analog Devices Inc., part of the ADuC7xxx MicroConverter family. This device integrates a high-performance 12-bit analog-to-digital converter (ADC), a 16-bit/32-bit ARM7TDMI microcontroller, and nonvolatile Flash/EE memory on a single chip. It is designed for applications requiring both high-precision analog data acquisition and robust microcontroller capabilities.
Key Specifications
| Parameter | Specification |
|---|---|
| Microcontroller Core | ARM7TDMI, 16-bit/32-bit RISC |
| ADC Resolution and Speed | 12-bit, 1 MSPS |
| ADC Channels | Up to 16 (single-ended or differential) |
| DAC Outputs | Up to 4 (12-bit, programmable output ranges) |
| Memory | 62 kB Flash/EE, 8 kB SRAM |
| Operating Voltage | 2.7 V to 3.6 V |
| Operating Temperature | -40°C to +125°C |
| Package | 40-Lead LFCSP (6mm x 6mm w/ EP) |
| Clock Frequency | Up to 44 MHz, PLL generating 41.78 MHz UCLK |
| Peripherals | UART, SPI, I²C, JTAG, PWM, Temperature Sensor, Voltage Comparator |
Key Features
- High-performance 12-bit ADC with up to 16 channels, operating in single-ended or differential modes.
- Up to four 12-bit DAC outputs with programmable voltage ranges.
- On-chip voltage reference, temperature sensor, and voltage comparator.
- ARM7TDMI microcontroller core with up to 41 MIPS peak performance.
- 62 kB Flash/EE memory and 8 kB SRAM.
- Support for in-circuit serial download via UART or I²C, and nonintrusive emulation via JTAG.
- Integrated peripherals including UART, SPI, I²C, PWM, and general-purpose timers.
- Low power dissipation, typically 120 mW at 41.78 MHz.
Applications
The ADUC7021BCPZ32-RL7 is suitable for a variety of applications that require precise analog data acquisition and robust microcontroller capabilities. These include:
- Industrial control systems
- Medical devices
- Automotive systems
- Smart sensors and IoT devices
- Automated test and measurement equipment
Q & A
- What is the core processor of the ADUC7021BCPZ32-RL7?
The core processor is an ARM7TDMI, a 16-bit/32-bit RISC machine.
- What is the resolution and speed of the ADC?
The ADC is 12-bit with a speed of 1 MSPS.
- How many ADC channels does the device support?
Up to 16 ADC channels, either single-ended or differential.
- What is the memory configuration of the device?
62 kB Flash/EE memory and 8 kB SRAM.
- What are the operating voltage and temperature ranges?
The device operates from 2.7 V to 3.6 V and is specified over an industrial temperature range of -40°C to +125°C.
- What peripherals are integrated into the device?
UART, SPI, I²C, JTAG, PWM, temperature sensor, and voltage comparator.
- How does the device support in-circuit programming?
It supports in-circuit serial download via UART or I²C and nonintrusive emulation via JTAG.
- What is the typical power dissipation of the device?
Typically 120 mW when operating at 41.78 MHz.
- In what package is the ADUC7021BCPZ32-RL7 available?
40-Lead LFCSP (6mm x 6mm w/ EP).
- What are some common applications for this device?
Industrial control systems, medical devices, automotive systems, smart sensors, and automated test and measurement equipment.
