Overview
The ADXL312WACPZ-RL is a 3-axis digital accelerometer produced by Analog Devices Inc. This device is designed for high-resolution acceleration measurements and is suitable for a variety of applications, including automotive, industrial, and consumer electronics. It features a compact 32-lead LFCSP (Lead Frame Chip Scale Package) with an exposed pad, measuring 5mm x 5mm x 1.45mm. The ADXL312 is known for its ultralow power consumption, user-selectable measurement ranges, and advanced motion detection capabilities.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Measurement Range | ±1.5 g, ±3 g, ±6 g, ±12 g | - |
| Supply Voltage (VS) | 2.0 to 3.6 | V |
| Interface Voltage Range (VDD I/O) | 1.7 to VS | V |
| Power Consumption (Measurement Mode) | 57 µA (typical at VS = 3.3 V) | µA |
| Power Consumption (Standby Mode) | 0.1 µA (typical at VS = 3.3 V) | µA |
| Resolution | Fixed 10-bit, up to 13-bit at ±12 g | - |
| Output Data Rate/Bandwidth | 6.25 Hz to 3200 Hz (user-selectable) | Hz |
| Operating Temperature Range | -40°C to +105°C | °C |
| Package Type | 32-Lead LFCSP (5mm x 5mm x 1.45mm) | - |
| Interface | SPI (3- and 4-wire), I2C | - |
Key Features
- Ultralow Power Consumption: As low as 57 µA in measurement mode and 0.1 µA in standby mode at VS = 3.3 V (typical).
- User-Selectable Resolution: Fixed 10-bit resolution, with full resolution up to 13-bit at ±12 g.
- High Resolution Measurement: Enables resolution of inclination changes as little as 0.25°, and with oversampling, as little as 0.05°.
- Embedded FIFO Technology: Minimizes host processor load by storing data in a 32-level FIFO.
- Motion Detection Functions: Built-in activity and inactivity sensing, with interrupt output pins.
- Digital Interfaces: SPI (3- and 4-wire) and I2C interfaces for flexible communication.
- Wide Temperature Range: Operates from -40°C to +105°C.
- Compact Package: 32-lead LFCSP with an exposed pad, measuring 5mm x 5mm x 1.45mm.
Applications
- Automotive Systems: Suitable for car alarm systems, black box applications, and other automotive uses due to its robustness and wide temperature range.
- Industrial Automation: Used in various industrial applications requiring precise acceleration measurements and low power consumption.
- Consumer Electronics: Ideal for devices that require motion sensing, such as smartphones, tablets, and gaming controllers.
- Tilt Sensing: Measures static acceleration of gravity, making it suitable for tilt-sensing applications.
Q & A
- What are the measurement ranges of the ADXL312WACPZ-RL?
The ADXL312WACPZ-RL has measurement ranges of ±1.5 g, ±3 g, ±6 g, and ±12 g.
- What is the typical power consumption of the ADXL312WACPZ-RL in measurement mode?
The typical power consumption in measurement mode is 57 µA at VS = 3.3 V).
- What digital interfaces does the ADXL312WACPZ-RL support?
The device supports SPI (3- and 4-wire) and I2C digital interfaces).
- What is the operating temperature range of the ADXL312WACPZ-RL?
The operating temperature range is -40°C to +105°C).
- Does the ADXL312WACPZ-RL have built-in motion detection functions?
Yes, it includes built-in activity and inactivity sensing functions).
- What is the resolution of the ADXL312WACPZ-RL?
The resolution is fixed at 10-bit, with full resolution up to 13-bit at ±12 g).
- What type of package does the ADXL312WACPZ-RL come in?
The device comes in a 32-lead LFCSP (Lead Frame Chip Scale Package) with an exposed pad).
- Is the ADXL312WACPZ-RL RoHS compliant?
Yes, the ADXL312WACPZ-RL is RoHS compliant).
- What is the purpose of the FIFO in the ADXL312WACPZ-RL?
The FIFO minimizes host processor load by storing data, allowing for efficient data handling).
- Can the ADXL312WACPZ-RL be used for tilt sensing?
Yes, it can measure the static acceleration of gravity, making it suitable for tilt-sensing applications).
