Overview
The ADXL202JQC-REEL, produced by Analog Devices Inc., is a low-cost, low-power, complete dual-axis iMEMS® accelerometer. This device is designed to measure both dynamic acceleration (such as vibration) and static acceleration (such as gravity) with a measurement range of ±2g. It is particularly notable for its compact size and low power consumption, making it suitable for a variety of applications where space and energy efficiency are critical.
Key Specifications
| Parameter | Value |
|---|---|
| Measurement Range | ±2g |
| Output Type | Duty Cycle Modulated (DCM) signals |
| DCM Period | Adjustable from 0.5 ms to 10 ms via RSET |
| Bandwidth | Adjustable from 0.01 Hz to 6 kHz via capacitors CX and CY |
| Noise Floor | 200µg√Hz |
| Package | 5 mm x 5 mm x 2 mm 8-lead hermetic LCC |
| Supply Voltage | Up to 5.25V |
| Operating Temperature | 0°C to specified maximum |
Key Features
- Low-cost and low-power operation, making it energy-efficient.
- Dual-axis measurement capability for both dynamic and static acceleration.
- Outputs are Duty Cycle Modulated (DCM) signals, which can be directly measured with a microprocessor counter without the need for an A/D converter or glue logic.
- Adjustable bandwidth and DCM period for flexible application needs.
- Compact 5 mm x 5 mm x 2 mm 8-lead hermetic LCC package.
- Improved sensitivity and zero g bias limits compared to the original ADXL202.
Applications
The ADXL202JQC-REEL is suitable for various applications where precise acceleration measurement is required, such as:
- Vibration monitoring and analysis.
- Gravity-based orientation sensing.
- Industrial automation and control systems.
- Consumer electronics requiring motion sensing.
- Aerospace and defense applications where compact, low-power sensors are necessary.
Q & A
- What is the measurement range of the ADXL202JQC-REEL?
The measurement range is ±2g. - What type of output does the ADXL202JQC-REEL provide?
The output is Duty Cycle Modulated (DCM) signals. - How is the DCM period adjusted?
The DCM period is adjustable from 0.5 ms to 10 ms via a single resistor (RSET). - What is the typical noise floor of the ADXL202JQC-REEL?
The typical noise floor is 200µg√Hz. - What is the package type of the ADXL202JQC-REEL?
The package is a 5 mm x 5 mm x 2 mm 8-lead hermetic LCC. - What is the supply voltage range for the ADXL202JQC-REEL?
The supply voltage range is up to 5.25V. - Can the bandwidth be adjusted?
Yes, the bandwidth can be adjusted from 0.01 Hz to 6 kHz via capacitors CX and CY. - What are some common applications of the ADXL202JQC-REEL?
Common applications include vibration monitoring, gravity-based orientation sensing, industrial automation, consumer electronics, and aerospace and defense. - Is the ADXL202JQC-REEL suitable for low-power applications?
Yes, it is designed for low-power operation. - How does the ADXL202JQC-REEL compare to the original ADXL202?
The ADXL202JQC-REEL features improved sensitivity and zero g bias limits, lower noise, and a wider 3dB frequency response compared to the original ADXL202.
