Overview
The AIS326DQTR is a MEMS inertial sensor produced by STMicroelectronics. It is a 3-axis, low g accelerometer with digital output, designed to provide precise acceleration measurements in various applications. This sensor is part of STMicroelectronics' portfolio of advanced motion sensing solutions.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | 28-QFN Exposed Pad |
| Supply Voltage Range | 2.4 V to 3.6 V |
| IO Voltage Compatibility | 1.8 V |
| Full Scale Range | ±2g, ±4g, ±8g (dynamically selectable) |
| Output Interface | SPI / I²C |
| Data Output Resolution | 16-bit |
| Operating Temperature Range | -40 °C to 105 °C |
| Power Consumption (Ultra-low-power mode) | Down to 10 μA |
| Shock Survivability | Up to 10000 g |
| Compliance | ECOPACK, RoHS, and “Green” compliant |
Key Features
- Ultra-low-power operational modes with consumption down to 10 μA
- Dynamically selectable full scale ranges of ±2g, ±4g, ±8g
- SPI and I²C digital output interfaces
- 16-bit data output resolution
- 2 independent programmable interrupt generators
- System sleep/wakeup function
- Embedded self-test capability
- High shock survivability up to 10000 g
- Extended temperature range: -40 °C to 105 °C
Applications
- Telematics and black boxes
- In-dash car navigation
- Tilt / inclination measurement
- Anti-theft devices
- Intelligent power saving
- Impact recognition and logging
- Vibration monitoring and compensation
- Motion-activated functions
Q & A
- What is the AIS326DQTR?
The AIS326DQTR is a 3-axis, low g accelerometer with digital output, designed for precise acceleration measurements.
- What is the supply voltage range for the AIS326DQTR?
The supply voltage range is 2.4 V to 3.6 V.
- What are the full scale ranges available for the AIS326DQTR?
The full scale ranges are ±2g, ±4g, and ±8g, which are dynamically selectable.
- What digital output interfaces does the AIS326DQTR support?
The AIS326DQTR supports both SPI and I²C digital output interfaces.
- What is the resolution of the data output?
The data output resolution is 16-bit.
- What is the operating temperature range of the AIS326DQTR?
The operating temperature range is -40 °C to 105 °C.
- How much power does the AIS326DQTR consume in ultra-low-power mode?
The power consumption in ultra-low-power mode is down to 10 μA.
- Is the AIS326DQTR compliant with environmental standards?
Yes, it is ECOPACK, RoHS, and “Green” compliant.
- What are some common applications of the AIS326DQTR?
Common applications include telematics, in-dash car navigation, tilt/inclination measurement, anti-theft devices, and vibration monitoring.
- Does the AIS326DQTR have any self-test capabilities?
Yes, it has an embedded self-test capability to check the functioning of the sensor.
