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ADI ADXL345BCCZ Ultra Low Power Three-Axis Digital Accelerometer

Product Description Of ADXL345BCCZ

ADXL345BCCZ is a small, thin, low power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16g. Digital output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C digital interface.

ADXL345BCCZ is well suited for mobile device applications. It measures the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion or shock. Its high resolution (4 mg/LSB) enables measurement of inclination changes less than 1.0°.

Specification Of ADXL345BCCZ

Sensor Type:3-axis

Sensing Axis:X, Y, Z

Acceleration:2 g, 4 g, 8 g, 16 g

Sensitivity:3.9 mg/LSB

Output Type:Digital

Interface Type:I2C, SPI

Resolution:13 bit

Supply Voltage - Max:3.6 V

Supply Voltage - Min:2 V

Operating Supply Current:140 uA

Minimum Operating Temperature:- 55 C

Maximum Operating Temperature:+ 105 C

Height:3 mm

Length:5 mm

Moisture Sensitive:Yes

Operating Supply Voltage:2.5 V

Width:1 mm

Unit Weight:30.500 mg

Features Of ADXL345BCCZ

Ultralow power: as low as 23 μA in measurement mode and 0.1 μA in standby mode at VS = 2.5 V (typical)

Power consumption scales automatically with bandwidth

User-selectable resolution

Fixed 10-bit resolution

Full resolution, where resolution increases with g range, up to 13-bit resolution at ±16 g (maintaining 4 mg/LSB scale factor in all g ranges)

Embedded memory management system with FIFO technology minimizes host processor load

Single tap/double tap detection

Activity/inactivity monitoring

Free-fall detection

Supply voltage range: 2.0 V to 3.6 V

I/O voltage range: 1.7 V to VS

SPI (3- and 4-wire) and I2C digital interfaces

Flexible interrupt modes mappable to either interrupt pin

Measurement ranges selectable via serial command

Bandwidth selectable via serial command

Wide temperature range (−40°C to +85°C)

10,000 g shock survival

Pb free/RoHS compliant

Small and thin: 3 mm × 5 mm × 1 mm LGA package

Applications Of ADXL345BCCZ

Handsets

Medical instrumentation

Gaming and pointing devices

Industrial instrumentation

Personal navigation devices

Hard disk drive (HDD) protection