Overview
The ADXL377BCPZ-RL, produced by Analog Devices Inc., is a small, thin, low-power, complete 3-axis accelerometer. This device is designed for measuring acceleration resulting from motion, shock, or vibration. It features a polysilicon, surface-micromachined sensor and signal conditioning circuitry to implement an open-loop acceleration measurement architecture. The ADXL377 provides analog voltage outputs proportional to acceleration and is suitable for various applications requiring precise acceleration measurements.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Measurement Range | ±200 g | |||
| Nonlinearity | ±0.5 % of full scale up to 180 g | |||
| Supply Voltage | 1.8 V | 3 V | 3.6 V | V |
| Operating Current | 300 µA | µA | ||
| Bandwidth (X, Y axes) | 0.5 Hz | 1300 Hz | Hz | |
| Bandwidth (Z axis) | 0.5 Hz | 1000 Hz | Hz | |
| Acceleration Survival (Unpowered) | 10,000 g | g | ||
| Acceleration Survival (Powered) | 10,000 g | g | ||
| Package Type | LFCSP-16 | |||
| Package Dimensions | 3 mm × 3 mm × 1.45 mm |
Key Features
- Small and Low-Profile Package: The ADXL377 is housed in a compact 3 mm × 3 mm × 1.45 mm LFCSP package, making it suitable for space-constrained designs.
- Low Power Consumption: The device operates at a typical current of 300 µA, ideal for battery-powered applications.
- Single-Supply Operation: It can operate from a single supply voltage between 1.8 V and 3.6 V, simplifying system design.
- Bandwidth Adjustment: The bandwidth can be adjusted using external capacitors (CX, CY, and CZ) for each axis, allowing for customization based on the application.
- High Shock Survival: The ADXL377 can survive accelerations up to 10,000 g, both powered and unpowered.
- Temperature Stability: The device exhibits excellent temperature stability, ensuring reliable performance across various environmental conditions.
Applications
- Concussion and Head Trauma Detection: Suitable for detecting high-impact events in sports and medical applications.
- High Force Event Detection: Ideal for applications requiring the detection of significant forces or shocks.
- Tilt-Sensing Applications: Can measure the static acceleration of gravity, making it suitable for tilt-sensing applications.
- Motion and Vibration Analysis: Useful in various industrial and consumer applications where motion and vibration need to be monitored.
Q & A
- Q: What is the measurement range of the ADXL377?
A: The ADXL377 has a typical measurement range of ±200 g. - Q: What is the operating voltage range of the ADXL377?
A: The ADXL377 can operate from a single supply voltage between 1.8 V and 3.6 V. - Q: How is the bandwidth adjusted on the ADXL377?
A: The bandwidth can be adjusted using external capacitors (CX, CY, and CZ) for each axis. - Q: What is the typical operating current of the ADXL377?
A: The typical operating current is 300 µA. - Q: What is the package type and dimensions of the ADXL377?
A: The ADXL377 is housed in a 16-lead LFCSP package with dimensions of 3 mm × 3 mm × 1.45 mm. - Q: Can the ADXL377 survive high shock levels?
A: Yes, the ADXL377 can survive accelerations up to 10,000 g, both powered and unpowered. - Q: What are some common applications of the ADXL377?
A: Common applications include concussion and head trauma detection, high force event detection, tilt-sensing, and motion and vibration analysis. - Q: How does the ADXL377 handle temperature variations?
A: The ADXL377 exhibits excellent temperature stability, ensuring reliable performance across various environmental conditions. - Q: Is the ADXL377 RoHS/WEEE compliant?
A: Yes, the ADXL377 is RoHS/WEEE and lead-free compliant. - Q: How do I set up the ADXL377 for use in my system?
A: Refer to the datasheet for detailed setup instructions, including power supply, ground connections, and output signal configurations.
