Overview
The ADXL1005BCPZ-RL7, produced by Analog Devices Inc., is a low noise, single-axis MEMS accelerometer designed for high-performance applications. It features a 42 kHz resonant frequency and provides an analog output proportional to mechanical acceleration. This component is particularly suited for environments requiring precise acceleration measurements over a wide bandwidth.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Measurement Range | ±100 | ±100 | g | |
| Linearity | ±0.25 | % of full-scale | ||
| Cross Axis Sensitivity (Z-axis) | ±0.7 | % | ||
| Cross Axis Sensitivity (Y-axis) | ±1.5 | % | ||
| Sensitivity (Ratiometric to VDD) | 20 | mV/g | ||
| Zero g Offset (Ratiometric to VDD) | VDD/2 | V | ||
| Noise Density (100 Hz to 20 kHz) | 75 | μg/√Hz | ||
| Supply Voltage | 4.75 | 5.0 | 5.25 | V |
| Package | 32-LFQFN Exposed Pad, CSP |
Key Features
- Low noise operation with a noise density of 75 μg/√Hz between 100 Hz and 20 kHz.
- High sensitivity of 20 mV/g, ratiometric to the supply voltage.
- Wide bandwidth capability, with the output amplifier supporting frequencies beyond the sensor's resonant frequency of 42 kHz.
- High linearity and low cross-axis sensitivity, ensuring accurate measurements.
- Compact 32-LFQFN package with an exposed pad for improved thermal and electrical performance.
- Operating temperature range from -40°C to +125°C.
Applications
The ADXL1005BCPZ-RL7 is suitable for a variety of high-performance applications, including:
- Industrial vibration monitoring and analysis.
- Aerospace and defense systems requiring precise acceleration measurements.
- Automotive safety systems, such as airbag deployment and crash detection.
- Medical devices that require accurate motion sensing.
- High-end consumer electronics, such as gaming controllers and fitness trackers.
Q & A
- What is the measurement range of the ADXL1005BCPZ-RL7?
The measurement range is ±100 g. - What is the typical sensitivity of the ADXL1005BCPZ-RL7?
The typical sensitivity is 20 mV/g, ratiometric to the supply voltage. - What is the noise density of the ADXL1005BCPZ-RL7?
The noise density is 75 μg/√Hz between 100 Hz and 20 kHz. - What is the operating temperature range of the ADXL1005BCPZ-RL7?
The operating temperature range is from -40°C to +125°C. - What type of package does the ADXL1005BCPZ-RL7 come in?
The component comes in a 32-LFQFN package with an exposed pad. - Is external filtering required for optimal performance?
Yes, external band limiting or filtering is required to avoid aliasing noise and ensure optimal performance, especially when operating beyond 10 kHz. - How should the ADXL1005BCPZ-RL7 be mechanically mounted?
It should be mounted near a stable mechanical point on the PCB, with multiple hard mounting points and a stiff mechanical connection to transfer mechanical forces effectively. - Is the ADXL1005BCPZ-RL7 RoHS compliant?
No, the ADXL1005BCPZ-RL7 is not RoHS compliant. - What are some common applications of the ADXL1005BCPZ-RL7?
Common applications include industrial vibration monitoring, aerospace and defense systems, automotive safety systems, medical devices, and high-end consumer electronics. - How does the ADXL1005BCPZ-RL7 handle cross-axis sensitivity?
The component has low cross-axis sensitivity, with a Z-axis effect of ±0.7% and a Y-axis effect of ±1.5% on the X-axis measurement.
