Overview
The ADXL337BCPZ-RL is a small, low-power, 3-axis accelerometer produced by Analog Devices Inc. This device is designed for precise acceleration measurements and is suitable for a variety of applications requiring high accuracy and low power consumption. The ADXL337 uses a polysilicon surface micromachined sensor and signal conditioning circuitry to implement an open-loop acceleration measurement architecture. It features a measurement range of ±3 g and is known for its high performance and reliability.
Key Specifications
| Specification | Value |
|---|---|
| Measurement Range | ±3 g |
| Supply Voltage | 1.8 V to 3.6 V |
| Typical Supply Current | 375 μA at 3.6 V, 200 μA at 2 V |
| Bandwidth (X, Y) | Up to 1.6 kHz |
| Bandwidth (Z) | Up to 550 Hz |
| Output Sensitivity | Typically 360 mV/g at 3.6 V, 195 mV/g at 2 V |
| Package Type | 16-LFCSP (Lead Frame Chip Scale Package) |
| Operating Temperature | -40°C to +85°C |
Key Features
- High Orthogonality: The ADXL337 features highly orthogonal axes with minimal cross-axis sensitivity, which can be further calibrated out at the system level.
- Low Power Consumption: The device operates with low power consumption, making it suitable for battery-powered applications.
- Flexible Supply Voltage: It can be powered with supply voltages ranging from 1.8 V to 3.6 V, with the output sensitivity varying proportionally to the supply voltage.
- Self-Test Capability: The ADXL337 includes a self-test feature that allows for verification of the sensor's operation.
- Bandwidth Control: Users can set the signal bandwidth using external capacitors to optimize the measurement resolution and prevent aliasing.
Applications
The ADXL337BCPZ-RL is versatile and can be used in various applications, including:
- Consumer Electronics: Such as smartphones, tablets, and gaming controllers.
- Industrial Automation: For vibration monitoring, tilt sensing, and motion detection.
- Medical Devices: In devices that require precise motion tracking and acceleration measurements.
- Aerospace and Defense: For applications requiring high reliability and precision in acceleration measurements.
Q & A
- What is the measurement range of the ADXL337BCPZ-RL?
The measurement range of the ADXL337BCPZ-RL is ±3 g. - What is the typical supply current of the ADXL337BCPZ-RL?
The typical supply current is 375 μA at 3.6 V and 200 μA at 2 V. - How can the bandwidth of the ADXL337BCPZ-RL be controlled?
The bandwidth can be controlled by adding external capacitors to the XOUT, YOUT, and ZOUT pins. - What is the package type of the ADXL337BCPZ-RL?
The package type is 16-LFCSP (Lead Frame Chip Scale Package). - Does the ADXL337BCPZ-RL have a self-test feature?
Yes, the ADXL337BCPZ-RL includes a self-test feature controlled by the ST pin. - What is the operating temperature range of the ADXL337BCPZ-RL?
The operating temperature range is -40°C to +85°C. - How does the supply voltage affect the output sensitivity of the ADXL337BCPZ-RL?
The output sensitivity varies proportionally to the supply voltage. - Can the ADXL337BCPZ-RL be used in high-vibration environments?
Yes, it is suitable for high-vibration environments due to its robust design and high orthogonality. - Is the ADXL337BCPZ-RL RoHS compliant?
Yes, the ADXL337BCPZ-RL is RoHS compliant. - What are some common applications of the ADXL337BCPZ-RL?
Common applications include consumer electronics, industrial automation, medical devices, and aerospace and defense.
