Overview
The ADXL357BEZ-RL7 is a high-performance, 3-axis digital accelerometer produced by Analog Devices Inc. This device is known for its low noise density, low 0 g offset drift, and low power consumption, making it suitable for a wide range of applications that require precise acceleration measurements.
The ADXL357BEZ-RL7 features a selectable measurement range of ±10 g, ±20 g, and ±40 g, and it supports both SPI and I2C digital interfaces. The device is packaged in a 14-pin CLLCC (Ceramic Leadless Chip Carrier) package, which is surface mountable.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Measurement Range | ±10 g, ±20 g, ±40 g | - |
| Sensitivity | 73.6 mV/g to 86.4 mV/g (±10 g), 36.8 mV/g to 43.2 mV/g (±20 g), 18.4 mV/g to 21.6 mV/g (±40 g) | mV/g |
| Output Type | Digital (SPI, I2C) | - |
| Supply Voltage | 2.25 V to 3.6 V | V |
| Current Consumption (Measurement Mode) | 200 μA | μA |
| Current Consumption (Standby Mode) | 21 μA | μA |
| Operating Temperature Range | -40°C to +125°C | °C |
| Storage Temperature Range | -55°C to +150°C | °C |
| Package Type | 14-Pin CLLCC | - |
| Package Dimensions | 6 mm x 6 mm x 2.2 mm | mm |
Key Features
- Low Noise Density: Ultralow noise spectral density of 75 μg/√Hz, ensuring high accuracy in acceleration measurements.
- Low 0 g Offset Drift: Minimal offset drift over temperature, enhancing long-term stability.
- Low Power Consumption: Low power operation with 200 μA in measurement mode and 21 μA in standby mode.
- Selectable Measurement Ranges: Supports ±10 g, ±20 g, and ±40 g measurement ranges.
- Digital Interfaces: Supports SPI and limited I2C interfaces for flexible communication.
- Integrated Temperature Sensor: Built-in temperature sensor for additional environmental monitoring.
- Programmable Filters: High- and low-pass digital filters for customized signal processing.
- Activity Detection and Interrupts: Features activity enable, activity threshold, and interrupt pins for efficient event detection.
Applications
- Industrial Automation: Used in vibration monitoring, predictive maintenance, and motion control systems.
- Aerospace and Defense: Suitable for navigation, stabilization, and impact detection in various aerospace and defense applications.
- Automotive Systems: Applied in airbag deployment, anti-lock braking systems (ABS), and electronic stability control (ESC).
- Consumer Electronics: Found in gaming controllers, smartphones, and other handheld devices requiring motion sensing.
- Medical Devices: Used in patient monitoring systems, fall detection, and other medical applications requiring precise motion tracking.
Q & A
- What are the measurement ranges supported by the ADXL357BEZ-RL7?
The ADXL357BEZ-RL7 supports measurement ranges of ±10 g, ±20 g, and ±40 g.
- What are the primary interfaces supported by this accelerometer?
The ADXL357BEZ-RL7 supports both SPI and limited I2C digital interfaces.
- What is the power consumption of the ADXL357BEZ-RL7 in measurement mode?
The device consumes 200 μA in measurement mode.
- What is the operating temperature range of the ADXL357BEZ-RL7?
The operating temperature range is -40°C to +125°C.
- What type of package does the ADXL357BEZ-RL7 come in?
The device is packaged in a 14-pin CLLCC (Ceramic Leadless Chip Carrier) package.
- Does the ADXL357BEZ-RL7 have integrated temperature sensing capabilities?
Yes, it includes a built-in temperature sensor.
- Can the ADXL357BEZ-RL7 be used in high-vibration environments?
Yes, it is designed to operate in environments with high vibration due to its low noise density and minimal offset drift.
- What are some common applications of the ADXL357BEZ-RL7?
Common applications include industrial automation, aerospace and defense, automotive systems, consumer electronics, and medical devices.
- How does the ADXL357BEZ-RL7 handle data filtering?
The device features programmable high- and low-pass digital filters for customized signal processing.
- Does the ADXL357BEZ-RL7 support activity detection and interrupts?
Yes, it includes activity enable, activity threshold, and interrupt pins for efficient event detection.
