Overview
The ADUC7021BCPZ62 is a precision analog microcontroller produced by Analog Devices Inc. This device is part of the ADuC7019/20/21/22/24/25/26/27/28/29 family, which are fully integrated, 1 MSPS, 12-bit data acquisition systems. The ADUC7021BCPZ62 combines high-performance multichannel ADCs, a 16-bit/32-bit ARM7TDMI MCU, and Flash/EE memory on a single chip. It is designed for applications requiring precise analog-to-digital conversion, robust microcontroller capabilities, and extensive peripheral support.
Key Specifications
| Parameter | Description |
|---|---|
| Microcontroller Core | ARM7TDMI, 16-bit/32-bit RISC architecture |
| ADC | 12-bit, 1 MSPS, up to 16 channels (single-ended or differential) |
| DAC | Up to 4 buffered voltage output DACs (available on certain models) |
| Memory | 62 kB Flash/EE memory, 8 kB SRAM |
| Clocking | On-chip oscillator, PLL generating 41.78 MHz clock, external watch crystal or clock source up to 44 MHz |
| 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) |
| Peripherals | UART, SPI, I²C, PLA, PWM, PSM, Temp Sensor, WDT |
Key Features
- Precision analog-to-digital conversion with up to 16 ADC channels and 12-bit resolution at 1 MSPS.
- Up to four buffered voltage output DACs with programmable output ranges.
- On-chip voltage reference, temperature sensor (±3°C), and voltage comparator.
- ARM7TDMI microcontroller core with 16-bit/32-bit RISC architecture, offering up to 41 MIPS peak performance.
- In-circuit serial download via UART or I²C, JTAG-based debug, and software-triggered in-circuit reprogrammability.
- Extensive peripheral set including UART, SPI, I²C, PLA, PWM, PSM, and WDT.
- Low power consumption with active mode current of 11 mA at 5 MHz and 40 mA at 41.78 MHz.
Applications
- Industrial control and automation systems.
- Smart sensors and precision instrumentation.
- Base station systems and optical networking.
Q & A
- What is the primary function of the ADUC7021BCPZ62?
The ADUC7021BCPZ62 is a precision analog microcontroller designed for data acquisition and control applications, integrating a high-performance ADC, DACs, and an ARM7TDMI MCU.
- How many ADC channels does the ADUC7021BCPZ62 support?
The device supports up to 16 ADC channels, with the ability to operate in single-ended or differential input modes.
- What is the resolution and sampling rate of the ADC?
The ADC has a 12-bit resolution and can sample at up to 1 MSPS.
- What type of microcontroller core does the ADUC7021BCPZ62 use?
The microcontroller core is an ARM7TDMI, which is a 16-bit/32-bit RISC architecture.
- What is the memory configuration of the ADUC7021BCPZ62?
The device includes 62 kB of Flash/EE memory and 8 kB of SRAM.
- What are the operating voltage and temperature ranges of the ADUC7021BCPZ62?
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 available on the ADUC7021BCPZ62?
The device includes UART, SPI, I²C, PLA, PWM, PSM, temperature sensor, and watchdog timer (WDT).
- How does the ADUC7021BCPZ62 support in-circuit programming and debugging?
The device supports in-circuit serial download via UART or I²C and JTAG-based debug, along with software-triggered in-circuit reprogrammability.
- What are some typical applications for the ADUC7021BCPZ62?
Typical applications include industrial control and automation systems, smart sensors, precision instrumentation, and base station systems.
- What is the package type and size of the ADUC7021BCPZ62?
The device is available in a 40-Lead LFCSP package with a size of 6mm x 6mm w/ EP.
