Overview
The ADXL320JCP-REEL7 is a dual-axis accelerometer produced by Analog Devices Inc. This component is part of the ADXL320 series, known for its small and thin design, making it suitable for a variety of applications where space is limited. The ADXL320 is a low-cost, low-power accelerometer that measures acceleration with a full-scale range of ±5 g. It is capable of measuring both dynamic acceleration (vibration) and static acceleration (gravity), making it versatile for various motion and tilt-sensing applications.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Full-Scale Range | ±5 g | Typical |
| Sensitivity | 154 mV/V/g to 194 mV/V/g | Typical, varies with supply voltage |
| Noise Floor | 250 μg/√Hz | Typical |
| Bandwidth | 0.5 Hz to 2.5 kHz | Adjustable with external capacitors CX and CY |
| Supply Voltage | 2.4 V to 5.25 V | Typically tested at 3 V |
| Operating Temperature | −20°C to +70°C | |
| Package Type | 16-Lead LFCSP_LQ (4x4 mm) | |
| Shock Survival | 10,000 g | Any axis, powered or unpowered |
Key Features
- Small and Thin Design: The ADXL320 is packaged in a 4 mm × 4 mm × 1.45 mm LFCSP package, making it ideal for space-constrained applications.
- Dual-Axis Measurement: Measures acceleration in both X and Y axes.
- Adjustable Bandwidth: Bandwidth can be adjusted using external capacitors CX and CY, allowing for a range of 0.5 Hz to 2.5 kHz.
- Single-Supply Operation: Can operate with a single supply voltage from 2.4 V to 5.25 V.
- High Shock Survival: Survives shocks up to 10,000 g on any axis, both powered and unpowered.
- Ratiometric Output: Output sensitivity and zero g bias are ratiometric, varying proportionally with the supply voltage.
Applications
- Cost-Sensitive Motion and Tilt-Sensing Applications: Ideal for applications where cost and space are critical factors.
- Smart Hand-Held Devices: Suitable for mobile phones, tablets, and other handheld devices requiring motion sensing.
- Sports and Health-Related Devices: Used in fitness trackers, pedometers, and other health-related devices.
- PC Security and Peripherals: Can be used in PC security systems and peripherals that require motion detection.
Q & A
- What is the full-scale range of the ADXL320JCP-REEL7?
The full-scale range of the ADXL320JCP-REEL7 is ±5 g.
- How is the bandwidth of the ADXL320 adjusted?
The bandwidth is adjusted using external capacitors CX and CY at the XOUT and YOUT pins.
- What is the typical noise floor of the ADXL320?
The typical noise floor is 250 μg/√Hz.
- What is the operating temperature range of the ADXL320JCP-REEL7?
The operating temperature range is −20°C to +70°C.
- What is the package type of the ADXL320JCP-REEL7?
The package type is 16-Lead LFCSP_LQ (4x4 mm).
- How much shock can the ADXL320JCP-REEL7 survive?
The ADXL320JCP-REEL7 can survive shocks up to 10,000 g on any axis, both powered and unpowered.
- Is the ADXL320JCP-REEL7 compatible with Pb-free solder processes?
- What is the typical supply voltage for the ADXL320JCP-REEL7?
The ADXL320JCP-REEL7 is typically tested at 3 V, but it can operate with a supply voltage from 2.4 V to 5.25 V.
- How does the output sensitivity of the ADXL320JCP-REEL7 vary with supply voltage?
The output sensitivity is ratiometric, varying proportionally with the supply voltage.
- What types of applications is the ADXL320JCP-REEL7 suitable for?
The ADXL320JCP-REEL7 is suitable for cost-sensitive motion and tilt-sensing applications, smart hand-held devices, sports and health-related devices, and PC security and peripherals.
