Overview
The AIS3624DQTR is a high-performance, ultra-low-power three-axis digital accelerometer produced by STMicroelectronics. This device is designed for various automotive non-safety applications and features a digital serial interface with both SPI and I2C compatibility. It is known for its advanced power-saving capabilities, including ultra-low-power operational modes and smart sleep-to-wake functions. The accelerometer offers dynamically selectable full scales of ±6g, ±12g, and ±24g, and it can measure accelerations with output data rates ranging from 0.5 Hz to 1 kHz. The AIS3624DQTR is packaged in a small, quad flat no-lead (QFN) package with a 4x4 mm footprint, making it suitable for a wide range of applications requiring compact and reliable motion sensing.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 2.4 V to 3.6 V |
| IO Voltage Compatibility | 1.8 V |
| Ultra-low-power Mode Consumption | Down to 10 μA |
| Full Scale Range | ±6g, ±12g, ±24g (dynamically selectable) |
| Digital Output Interface | SPI, I2C |
| Data Output Resolution | 16-bit data output, 12-bit resolution |
| Interrupt Generators | 2 independent programmable interrupt generators |
| Operating Temperature Range | -40°C to +105°C |
| High Shock Survivability | Up to 10,000 g |
| Package Type | QFN 24L (4x4x1.8 mm) |
| Compliance | ECOPACK®, RoHS, and “Green” compliant; AEC-Q100 qualified |
Key Features
- Ultra-low-power operational modes with consumption down to 10 μA
- Wide supply voltage range: 2.4 V to 3.6 V and 1.8 V low voltage compatible IOs
- Dynamically selectable full scales of ±6g, ±12g, and ±24g
- SPI and I2C digital output interfaces
- 16-bit data output with 12-bit resolution
- 2 independent programmable interrupt generators
- System sleep-to-wake function and embedded self-test capability
- Extended temperature range: -40°C to +105°C
- High shock survivability up to 10,000 g
- ECOPACK®, RoHS, and “Green” compliant; AEC-Q100 qualified
Applications
- Motion-activated functions in automotive systems
- Telematic boxes and navigation systems
- Impact recognition and logging systems
- Vibration monitoring and compensation systems
- Gaming controllers and consoles
- Inertial measurement units (IMUs)
- Fitness and activity tracking devices
- Impact and shock detection systems
- Automotive and transportation systems
- Wearable technology and augmented reality devices
- Motion sensing for smart home and industrial automation
- Vibration monitoring for industrial equipment and machinery
Q & A
- What is the supply voltage range of the AIS3624DQTR?
The supply voltage range is 2.4 V to 3.6 V, with 1.8 V low voltage compatible IOs.
- What are the dynamically selectable full scales of the AIS3624DQTR?
The full scales are ±6g, ±12g, and ±24g.
- What digital output interfaces does the AIS3624DQTR support?
The device supports both SPI and I2C digital output interfaces.
- What is the resolution of the data output from the AIS3624DQTR?
The data output is 16-bit with a 12-bit resolution.
- Does the AIS3624DQTR have any power-saving features?
Yes, it has ultra-low-power operational modes with consumption down to 10 μA and smart sleep-to-wake functions.
- What is the operating temperature range of the AIS3624DQTR?
The operating temperature range is -40°C to +105°C.
- Is the AIS3624DQTR compliant with any environmental standards?
Yes, it is ECOPACK®, RoHS, and “Green” compliant, and also AEC-Q100 qualified.
- What is the package type and size of the AIS3624DQTR?
The device is packaged in a QFN 24L package with a 4x4x1.8 mm footprint.
- Does the AIS3624DQTR have any self-test capabilities?
Yes, it has an embedded self-test capability to check the functioning of the sensor in the final application.
- Can the interrupt generators of the AIS3624DQTR be programmed?
Yes, the thresholds and timing of the 2 independent programmable interrupt generators can be programmed by the end user.
