Overview
The LIS344AL is an ultra-compact, low-power, three-axis linear accelerometer produced by STMicroelectronics. This device includes a sensing element and an IC interface, which together provide an analog signal to external applications. The accelerometer is designed for consumer applications and is notable for its high integration and compact design, packaged in a 16-pin Land Grid Array (LGA) with dimensions of 4x4x1.5mm.
The device operates over an extended temperature range of -40°C to +85°C and is RoHS/ECOPACK® compliant. It features a single voltage supply operation and embedded self-test capabilities, making it versatile for various applications.
Key Specifications
| Parameter | Test Condition | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Supply Voltage (Vdd) | - | 2.7 | 3.0 | 3.3 | V |
| Supply Current (Idd) | - | - | 0.69 | - | mA |
| Acceleration Range | - | - | ±3.5g | - | g |
| Sensitivity (So) | T = 25°C | 0.100*Vdd - 10% | 0.100*Vdd | 0.100*Vdd + 10% | V/g |
| Zero-g Level (Voff) | T = 25°C | Vdd/2 - 15% | Vdd/2 | Vdd/2 + 15% | V |
| Output Impedance (Rout) | - | - | 32 kΩ | - | kΩ |
| Bandwidth | - | - | Up to 2.0 kHz | - | kHz |
| Operating Temperature | - | -40°C | - | +85°C | °C |
Key Features
- Single voltage supply operation (2.7V to 3.3V)
- ±3.5g full-scale acceleration range
- Embedded self-test capability
- Factory trimmed device sensitivity and offset
- High shock survivability (10000g)
- RoHS/ECOPACK® compliant
- Adjustable bandwidth up to 2.0 kHz using external capacitances
- Output voltage, offset, and sensitivity are ratiometric to the supply voltage
- Low power consumption (typical supply current of 0.69 mA)
Applications
- Mobile terminals
- Gaming and virtual reality input devices
- Antitheft systems and inertial navigation
- Appliance and robotics
Q & A
- What is the acceleration range of the LIS344AL?
The LIS344AL has an acceleration range of ±3.5g.
- What is the operating temperature range of the LIS344AL?
The device operates over a temperature range of -40°C to +85°C.
- What is the typical supply current of the LIS344AL?
The typical supply current is 0.69 mA.
- Is the LIS344AL RoHS compliant?
- How can the bandwidth of the LIS344AL be adjusted?
The bandwidth can be adjusted up to 2.0 kHz using external capacitances.
- What is the package type of the LIS344AL?
The device is packaged in a 16-pin Land Grid Array (LGA) with dimensions of 4x4x1.5mm.
- Does the LIS344AL have self-test capabilities?
- What is the output type of the LIS344AL?
The output type is analog voltage.
- What are some common applications of the LIS344AL?
- How does the LIS344AL handle high shock conditions?
