Overview
The ADUCM355BCCZ, produced by Analog Devices Inc., is an ultralow power, mixed-signal microcontroller designed specifically for controlling and measuring electrochemical sensors and biosensors. It is based on the 26 MHz ARM Cortex-M3 processor, a 32-bit reduced instruction set computer (RISC) machine. This device integrates a comprehensive set of analog and digital peripherals, making it highly suitable for various sensing applications.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Processor | 26 MHz ARM Cortex-M3 | - | 32-bit RISC machine |
| Memory | 128 kB Flash / 64 kB SRAM | - | Nonvolatile flash/EE memory and single random access memory |
| Analog-to-Digital Converter (ADC) | 16-bit, 400 kSPS, multichannel SAR ADC | - | With input buffers, built-in antialias filter (AAF), and programmable gain amplifier (PGA) |
| Transimpedance Amplifiers (TIA) | Three TIAs with programmable gain and load resistors | - | For measuring different sensor types |
| Potentiostat Amplifiers | Two low power amplifiers | - | For maintaining a constant bias voltage to an external electrochemical sensor |
| Digital-to-Analog Converters (DAC) | Dual output, 12-bit string DACs and one high speed DAC | - | For generating ac signals and controlling potentiostat amplifiers |
| Voltage References | 1.82 V and 2.5 V on-chip precision voltage references | - | For low drift performance |
| Impedance Measurement Range | <1 Ω to 10 MΩ, 0.016 Hz to 200,000 Hz | - | - |
| Power Supply | 2.8 V to 3.6 V | - | Active measurement range |
| Power Consumption | 30 μA/MHz (digital section), 8.5 μA (hibernate), 2 μA (shutdown) | - | - |
| Package and Temperature Range | 6 mm × 5 mm, 72-lead LGA package, −40°C to +85°C | - | Fully specified for ambient operation |
Key Features
- Programmable Load and Gain Resistors: Allows for flexible configuration of the analog front-end.
- Analog Hardware Accelerators: Includes DFT and digital filters for efficient signal processing.
- Digital Waveform Generator: Capable of generating high-speed ac signals.
- Internal Temperature Sensor: ±2°C accurate for precise temperature measurements.
- Communication Peripherals: UART, I2C, and two SPI ports for versatile communication options.
- GPIO and Timers: Up to 17 GPIO pins, general-purpose timers, wake-up timer, and system watchdog timer.
- Security and Safety: Hardware cyclic redundancy check (CRC) with programmable polynomial generator and read/write protection of user flash.
- Low Power Modes: Hibernate and shutdown modes for power-efficient operation.
Applications
- Gas Detection: Suitable for detecting various gases in industrial and environmental settings.
- Food Quality: Used in sensors to monitor food quality and safety.
- Environmental Sensing: For monitoring air, water, and soil quality.
- Blood Glucose Meters: Employed in medical devices for blood glucose measurement.
- Life Sciences and Biosensing Analysis: Ideal for bioimpedance measurements and other biosensing applications.
- General Amperometry, Voltammetry, and Impedance Spectroscopy: Supports a wide range of electrochemical measurement techniques.
Q & A
- What is the primary function of the ADUCM355BCCZ?
The ADUCM355BCCZ is designed to control and measure electrochemical sensors and biosensors.
- What processor does the ADUCM355BCCZ use?
The ADUCM355BCCZ is based on the 26 MHz ARM Cortex-M3 processor.
- What is the memory configuration of the ADUCM355BCCZ?
The device has 128 kB of nonvolatile flash memory and 64 kB of SRAM.
- What are the key features of the analog front-end of the ADUCM355BCCZ?
The analog front-end includes a 16-bit SAR ADC, three transimpedance amplifiers, two low power amplifiers for potentiostat capability, and dual output DACs.
- What is the power consumption of the ADUCM355BCCZ in different modes?
The device consumes 30 μA/MHz in active mode, 8.5 μA in hibernate mode, and 2 μA in shutdown mode.
- What communication peripherals are available on the ADUCM355BCCZ?
The device supports UART, I2C, and two SPI ports.
- What are the temperature and package specifications of the ADUCM355BCCZ?
The device is packaged in a 6 mm × 5 mm, 72-lead LGA package and is fully specified for −40°C to +85°C ambient operation.
- What are some of the key applications of the ADUCM355BCCZ?
The device is used in gas detection, food quality monitoring, environmental sensing, blood glucose meters, and various biosensing applications.
- Does the ADUCM355BCCZ support low power modes?
Yes, the device supports hibernate and shutdown modes for power-efficient operation.
- How does the ADUCM355BCCZ ensure security and safety?
The device includes hardware cyclic redundancy check (CRC) with programmable polynomial generator and read/write protection of user flash.
