Overview
The ADXL362BCCZ-R2, produced by Analog Devices Inc., is an ultralow power, 3-axis MEMS accelerometer. This device is designed to consume minimal power, making it ideal for battery-powered and energy-constrained applications. It operates within a wide supply voltage range of 1.6 V to 3.5 V and can interface with hosts operating on separate, lower supply voltages. The ADXL362BCCZ-R2 is available in a compact 16-lead LGA package, measuring 3 mm × 3.25 mm × 1.06 mm.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VS) | 1.6 | 2.0 | 3.5 | V |
| Supply Current at 100 Hz ODR | 1.8 | μA | ||
| Supply Current in Motion Triggered Wake-Up Mode | 270 | nA | ||
| Measurement Ranges | ±2 g, ±4 g, ±8 g | |||
| Resolution | 12-bit (1 mg/LSB on ±2 g range) | |||
| Noise Level | 550 μg/√Hz (normal), 175 μg/√Hz (lower noise modes) | |||
| Output Data Rate (ODR) | 12.5 | 400 | Hz | |
| Package Type | 16-Lead LGA | |||
| Package Dimensions | 3 mm × 3.25 mm × 1.06 mm |
Key Features
- Ultralow power consumption: Less than 2 μA at a 100 Hz output data rate and 270 nA in motion triggered wake-up mode.
- Full bandwidth sampling: Does not alias input signals by undersampling, ensuring accurate data at all data rates.
- High resolution: 12-bit output resolution with an option for 8-bit formatted data for efficient single-byte transfers.
- Multiple measurement ranges: ±2 g, ±4 g, and ±8 g with a resolution of 1 mg/LSB on the ±2 g range.
- Lower noise modes: Options for reducing noise levels down to 175 μg/√Hz with minimal increase in supply current.
- Deep multimode output FIFO: Enables efficient data handling and storage.
- Built-in micropower temperature sensor: Provides additional environmental data.
- Activity detection modes: Adjustable threshold sleep and wake-up operation, and a pin output to control external switches.
- External control: Provisions for external control of sampling time and/or an external clock.
Applications
- Hearing aids: Due to its low power consumption and compact size.
- Home healthcare devices: For motion detection and monitoring.
- Motion enabled power save switches: To optimize power usage in various devices.
- Wireless sensors: For remote monitoring and sensing applications.
- Motion enabled metering devices: To measure and monitor motion in various industrial and consumer devices.
Q & A
- What is the typical supply current of the ADXL362BCCZ-R2 at a 100 Hz output data rate?
The typical supply current is 1.8 μA at a 100 Hz output data rate with a 2.0 V supply.
- What are the available measurement ranges for the ADXL362BCCZ-R2?
The measurement ranges are ±2 g, ±4 g, and ±8 g.
- What is the resolution of the ADXL362BCCZ-R2?
The ADXL362BCCZ-R2 provides a 12-bit output resolution, with an option for 8-bit formatted data for more efficient single-byte transfers.
- How does the ADXL362BCCZ-R2 manage power consumption?
The ADXL362BCCZ-R2 achieves ultralow power consumption through its continuous sampling without aliasing input signals and features like adjustable threshold sleep and wake-up operation.
- What are the noise levels of the ADXL362BCCZ-R2?
The normal noise level is 550 μg/√Hz, but it can be reduced to 175 μg/√Hz in lower noise modes.
- What is the package type and dimensions of the ADXL362BCCZ-R2?
The package type is a 16-Lead LGA, measuring 3 mm × 3.25 mm × 1.06 mm.
- Can the ADXL362BCCZ-R2 be used in battery-powered devices?
Yes, it is suitable for battery-powered devices due to its ultralow power consumption and ability to be powered by a coin cell battery.
- What are some of the key applications of the ADXL362BCCZ-R2?
Key applications include hearing aids, home healthcare devices, motion enabled power save switches, wireless sensors, and motion enabled metering devices.
- Does the ADXL362BCCZ-R2 have built-in temperature sensing capabilities?
Yes, it includes a built-in micropower temperature sensor.
- Can the ADXL362BCCZ-R2 be controlled externally?
Yes, it has provisions for external control of sampling time and/or an external clock.
