Overview
The ADXL372BCCZ-RL7, manufactured by Analog Devices Inc., is an ultralow power, 3-axis, ±200 g MEMS accelerometer. This device is designed for high-performance applications requiring precise acceleration measurements over a wide range of frequencies. It features a small, thin package measuring 3 mm × 3.25 mm × 1.06 mm, making it suitable for compact and portable systems. The ADXL372BCCZ-RL7 operates within a wide temperature range of −40°C to 105°C and consumes as little as 22 µA at a 3200 Hz output data rate, making it highly energy-efficient. The device includes advanced features such as deep multimode output FIFO, several activity detection modes, and low-power wake-up and instant-on modes for efficient power management.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Measurement Range | ±200 | ±200 | g | |
| Nonlinearity | ±0.5% | % of full scale | ||
| Sensor Resonant Frequency | 16 kHz | |||
| Output Resolution | 12 Bits | |||
| Scale Factor | 100 mg/LSB | |||
| Power Consumption (3200 Hz ODR) | 22 µA | µA | ||
| Power Consumption (Instant On Mode) | 1.4 µA | µA | ||
| Operating Temperature Range | −40°C | 105°C | °C | |
| Package Dimensions | 3 mm × 3.25 mm × 1.06 mm |
Key Features
- Ultralow Power Consumption: Consumes 22 µA at 3200 Hz output data rate and as low as 1.4 µA in instant-on mode.
- Advanced Filtering: Includes a 4-pole low-pass antialiasing filter and a high-pass filter to eliminate initial and slow-changing errors.
- Impact Detection: Features deep multimode output FIFO, activity detection modes, and methods for capturing peak acceleration of over-threshold events.
- Low-Power Modes: Offers wake-up and instant-on modes with interrupt-driven features for efficient power management.
- Communication Interfaces: Supports SPI and limited I2C protocols for accessing configuration and data registers.
- Compact Package: Available in a small, thin 3 mm × 3.25 mm × 1.06 mm package.
Applications
- Impact and Shock Detection: Ideal for applications requiring precise impact and shock measurements.
- Asset Health Assessment: Used in monitoring the health and condition of assets in various industrial settings.
- Portable Internet of Things (IoT) Edge Nodes: Suitable for IoT applications due to its low power consumption and compact size.
- Concussion and Head Trauma Detection: Applied in medical and sports equipment to detect head impacts and traumas.
Q & A
- What is the measurement range of the ADXL372BCCZ-RL7?
The measurement range is ±200 g.
- What is the power consumption of the ADXL372BCCZ-RL7 at 3200 Hz ODR?
The power consumption is 22 µA at 3200 Hz output data rate.
- What communication interfaces does the ADXL372BCCZ-RL7 support?
The device supports SPI and limited I2C protocols.
- What are the dimensions of the ADXL372BCCZ-RL7 package?
The package dimensions are 3 mm × 3.25 mm × 1.06 mm.
- What is the operating temperature range of the ADXL372BCCZ-RL7?
The operating temperature range is −40°C to 105°C.
- Does the ADXL372BCCZ-RL7 have any low-power modes?
Yes, it offers wake-up and instant-on modes with interrupt-driven features.
- What type of filtering does the ADXL372BCCZ-RL7 include?
The device includes a 4-pole low-pass antialiasing filter and a high-pass filter.
- What are some common applications of the ADXL372BCCZ-RL7?
Common applications include impact and shock detection, asset health assessment, portable IoT edge nodes, and concussion and head trauma detection.
- How does the ADXL372BCCZ-RL7 manage power during periods of inactivity?
The device uses wake-up and instant-on modes to manage power efficiently during periods of inactivity.
- What is the output resolution of the ADXL372BCCZ-RL7?
The output resolution is 12 bits.
