Overview
The ADXL313WACPZ-RL is a high-performance, low-power, 3-axis digital accelerometer manufactured by Analog Devices Inc. This device is designed for applications requiring precise acceleration measurements with minimal power consumption. It is supplied in a compact 32-lead LFCSP package, measuring 5 mm × 5 mm × 1.45 mm, making it suitable for space-constrained designs. The ADXL313 offers a range of measurement scales (±0.5 g, ±1 g, ±2 g, ±4 g) and features high resolution up to 13 bits, ensuring accurate and reliable data output.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Measurement Range | ±0.5 g, ±1 g, ±2 g, ±4 g | |||
| Resolution | 10-bit to 13-bit | |||
| Supply Voltage | 2.0 V | 3.3 V | 3.6 V | V |
| Supply Current (Measurement Mode) | 30 µA | 100 µA | 170 µA | µA |
| Supply Current (Standby Mode) | 0.1 µA | 2 µA | 10 µA | µA |
| Noise Performance | 150 μg/√Hz (X, Y axes) | 250 μg/√Hz (Z axis) | μg/√Hz | |
| Operating Temperature Range | -40°C | +105°C | °C | |
| Interface | SPI (3-wire and 4-wire), I2C | |||
| Package | 32-lead LFCSP |
Key Features
- Ultralow power consumption, scaling automatically with data rate.
- High resolution measurement up to 13 bits.
- Low noise performance with typical values of 150 μg/√Hz for X and Y axes and 250 μg/√Hz for the Z axis.
- Embedded FIFO technology to minimize host processor load.
- Fixed 10-bit resolution for any g range, with sensitivity of 1024 LSB/g.
- Built-in motion detection functions for activity/inactivity monitoring.
- Flexible interrupt modes mappable to two interrupt pins.
- Selectable measurement range and bandwidth via serial command.
- Wide temperature range operation from -40°C to +105°C.
- 10,000 g shock survival and Pb free/RoHS compliant.
Applications
- Car alarms.
- Hill start aid (HSA) systems.
- Electronic parking brakes.
- Data recorders (black boxes).
- Automotive applications due to its robust and reliable design.
Q & A
- What is the measurement range of the ADXL313WACPZ-RL? The ADXL313WACPZ-RL has a measurement range of ±0.5 g, ±1 g, ±2 g, and ±4 g.
- What is the resolution of the ADXL313WACPZ-RL? The resolution scales from 10-bit at ±0.5 g to 13-bit at ±4 g.
- What are the power consumption characteristics of the ADXL313WACPZ-RL? The device consumes as low as 30 µA in measurement mode and 0.1 µA in standby mode.
- What are the interface options for the ADXL313WACPZ-RL? The device supports SPI (3-wire and 4-wire) and I2C digital interfaces.
- What is the operating temperature range of the ADXL313WACPZ-RL? The operating temperature range is from -40°C to +105°C.
- Is the ADXL313WACPZ-RL suitable for automotive applications? Yes, it is qualified for automotive applications.
- What is the package type and size of the ADXL313WACPZ-RL? The device is supplied in a 32-lead LFCSP package measuring 5 mm × 5 mm × 1.45 mm.
- Does the ADXL313WACPZ-RL have built-in motion detection functions? Yes, it includes built-in motion detection functions for activity/inactivity monitoring.
- How does the ADXL313WACPZ-RL manage power consumption? The device's power consumption scales automatically with the data rate, and it has ultralow power modes.
- Is the ADXL313WACPZ-RL compliant with environmental standards? Yes, it is Pb free and RoHS compliant).
