Overview
The ADXL337BCPZ-RL7, produced by Analog Devices Inc., is a compact, power-efficient, and highly reliable 3-axis accelerometer. Designed for various motion-tracking applications, it offers precise acceleration measurements across three axes. This device is particularly suited for environments requiring minimal space and low power consumption, making it ideal for use in consumer electronics, automotive systems, and industrial equipment.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Functions | 1 |
| Supply Voltage | 3 V (typical), 1.8 V to 3.6 V (range) |
| Terminal Pitch | 0.5 mm |
| Pin Count | 16 |
| Output Type | Analog Voltage |
| Operating Supply Current | 300 μA (typical) |
| -3 dB Bandwidth | 1.6 kHz (adjustable with external capacitors) |
| Axis | X, Y, Z |
| Acceleration Range | ±3 g |
| Sensitivity | 300 mV/G |
| Shock Survival | 10,000 g |
| Package Size | 3 mm × 3 mm × 1.45 mm LFCSP |
| RoHS Status | ROHS3 Compliant, Lead-free |
Key Features
- Compact and Efficient Design: The ADXL337 is housed in a small 3 mm × 3 mm × 1.45 mm LFCSP package, making it suitable for applications where space is limited. It operates on a single supply voltage ranging from 1.8 V to 3.6 V and consumes only 300 μA of power, ensuring energy efficiency.
- Exceptional Resilience: The device can withstand shocks up to 10,000 g and maintains excellent temperature stability, making it reliable in harsh environments such as industrial machinery and high-impact sports equipment.
- Adjustable Bandwidth: Users can adjust the bandwidth of the accelerometer using external capacitors (CX, CY, and CZ) at the XOUT, YOUT, and ZOUT pins. This feature allows for customized frequency response adjustments to suit specific application needs.
- Environmental Compliance: The ADXL337 complies with RoHS/WEEE and is lead-free, ensuring regulatory adherence and minimal environmental impact.
- Versatility in Applied Technology: Its compact size and robust performance make it an excellent choice for various applications, including consumer electronics, automotive systems, and industrial equipment.
Applications
- Consumer Electronics: Ideal for mobile devices, gaming systems, and image stabilization in digital cameras.
- Automotive Systems: Used in applications such as crash detection and airbag deployment systems.
- Industrial Equipment: Suitable for monitoring vibration in machines, process control systems, and safety installations.
- Sports and Health Devices: Used in fitness trackers, sports equipment, and health monitoring devices.
- Seismic Activity and Inclination Measurement: Can measure seismic activity, inclination, and dynamic distance and speed with or without the influence of gravity.
Q & A
- What is the ADXL337 used for?
The ADXL337 is used to measure the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion, shock, or vibration. It is also used to adjust the bandwidth using CX, CY, and CZ capacitors at the XOUT, YOUT, and ZOUT pins.
- How does the ADXL337 work?
The ADXL337 operates as a 3-axis accelerometer with signal-conditioned voltage outputs. It measures acceleration with a minimum full-scale range of ±3 g and allows users to adjust the bandwidth using external capacitors at the output pins.
- What is the typical supply voltage and current consumption of the ADXL337?
The typical supply voltage is 3 V, and the device consumes 300 μA of power. The supply voltage range is from 1.8 V to 3.6 V.
- How durable is the ADXL337?
The ADXL337 can withstand shocks up to 10,000 g and maintains excellent temperature stability, making it durable in harsh environments.
- Is the ADXL337 environmentally compliant?
Yes, the ADXL337 complies with RoHS/WEEE and is lead-free, ensuring minimal environmental impact.
- How can the bandwidth of the ADXL337 be adjusted?
The bandwidth can be adjusted using external capacitors (CX, CY, and CZ) at the XOUT, YOUT, and ZOUT pins. This allows for customized frequency response adjustments.
- What are some common applications of the ADXL337?
Common applications include consumer electronics, automotive systems, industrial equipment, sports and health devices, and seismic activity measurement.
- What is the package size of the ADXL337?
The ADXL337 is housed in a 3 mm × 3 mm × 1.45 mm LFCSP package.
- How does the ADXL337 differ from the ADXL377?
The primary difference is the range of acceleration they measure. The ADXL337 measures acceleration with a full-scale range of ±3 g, while the ADXL377 measures up to ±200 g.
- What is the sensitivity of the ADXL337?
The sensitivity of the ADXL337 is 300 mV/G.
