Overview
The AD22280-R2 is a high-performance, single-axis accelerometer produced by Analog Devices Inc. This device is part of the ADXL78 series, which is known for its enhanced performance and cost-effectiveness. The AD22280-R2 is designed to measure acceleration with a full-scale range of ±50 g, making it suitable for various applications, including automotive safety systems such as front and side impact airbag systems. It also offers a complete acceleration measurement system on a single monolithic IC, capable of measuring both dynamic acceleration (vibration) and static acceleration (gravity).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Part Number | AD22280-R2 | |
| Package | 8-Pin CLCC (Ceramic Leadless Chip Carrier) | |
| Sensor Type | Single Axis Accelerometer | |
| Sensing Axis | X | |
| Acceleration Range | ±50 g | |
| Sensitivity | 25.65 mV/g to 28.35 mV/g | mV/g |
| Output Type | Analog Voltage | |
| Supply Voltage Range | 3.5 V to 6 V | V |
| Quiescent Supply Current | 1.3 mA (typical at VDD = 5 V) | mA |
| Operating Temperature Range | -40°C to +105°C | °C |
| Mounting Style | SMD/SMT | |
| Dimensions | 5 mm x 5 mm x 1.98 mm | mm |
Key Features
- High Accuracy and Stability: The AD22280-R2 offers high accuracy and stability over the automotive temperature range, making it reliable for critical applications.
- Self-Test Capability: The device includes a self-test feature that fully exercises all the mechanical and electrical elements of the sensor with a digital signal applied to a single pin.
- Compact Package: Housed in a compact 8-pin CLCC package, it is suitable for space-constrained applications.
- Low Power Consumption: It operates with a quiescent supply current of 1.3 mA at 5 V, which is beneficial for power-sensitive designs.
- Wide Operating Temperature Range: The device can operate over a temperature range of -40°C to +105°C, making it suitable for harsh environments.
Applications
- Automotive Safety Systems: The AD22280-R2 is particularly useful in front and side impact airbag systems due to its high-g acceleration measurement capabilities.
- Industrial Automation: It can be used in various industrial automation applications where precise acceleration measurement is required.
- Consumer Electronics: Suitable for use in consumer electronics that require motion sensing, such as gaming controllers and fitness trackers.
- Aerospace and Defense: Its robust design and wide temperature range make it a candidate for aerospace and defense applications.
Q & A
- What is the full-scale range of the AD22280-R2 accelerometer?
The AD22280-R2 has a full-scale range of ±50 g.
- What type of package does the AD22280-R2 come in?
The AD22280-R2 is housed in an 8-pin CLCC (Ceramic Leadless Chip Carrier) package.
- What is the operating temperature range of the AD22280-R2?
The device operates over a temperature range of -40°C to +105°C.
- Does the AD22280-R2 have a self-test feature?
Yes, the AD22280-R2 includes a self-test feature that exercises all the mechanical and electrical elements of the sensor.
- What is the typical quiescent supply current of the AD22280-R2?
The typical quiescent supply current is 1.3 mA at VDD = 5 V.
- What are the dimensions of the AD22280-R2?
The dimensions are 5 mm x 5 mm x 1.98 mm.
- Is the AD22280-R2 RoHS compliant?
Yes, the AD22280-R2 is RoHS compliant.
- What is the sensitivity range of the AD22280-R2?
The sensitivity range is 25.65 mV/g to 28.35 mV/g.
- What are some common applications of the AD22280-R2?
Common applications include automotive safety systems, industrial automation, consumer electronics, and aerospace and defense.
- Where can I find the datasheet for the AD22280-R2?
The datasheet can be found on the Analog Devices website or through distributors like Easybom and RS Components.
