ADXL312ACPZ-RL
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Analog Devices Inc. ADXL312ACPZ-RL

Manufacturer No:
ADXL312ACPZ-RL
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
ACCEL 1.5-12G I2C/SPI 32LFCSP
Delivery:
Payment:
iso14001
iso45001
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Product Introduction

Overview

The ADXL312ACPZ-RL, produced by Analog Devices Inc., is a high-performance, 3-axis digital accelerometer designed for a wide range of applications. This device is part of the ADXL312 series and is known for its ultralow power consumption, high resolution, and robust features. The ADXL312 measures both dynamic acceleration resulting from motion or shock and static acceleration, such as gravity, making it suitable for tilt-sensing applications. It is built using a polysilicon surface-micromachined structure and features differential capacitors to measure deflection caused by acceleration forces.

Key Specifications

Parameter Value Unit
Measurement Range ±1.5 g, ±3 g, ±6 g, ±12 g -
Resolution Fixed 10-bit, up to 13-bit at ±12 g -
Supply Voltage (VS) 2.0 to 3.6 V V
Interface Voltage Range (VDD I/O) 1.7 to VS V V
Power Consumption (Measurement Mode) 57 µA (typical at VS = 3.3 V) µA
Power Consumption (Standby Mode) 0.1 µA (typical at VS = 3.3 V) µA
Operating Temperature Range -40°C to +105°C °C
Package Type 32-Lead LFCSP (5mm x 5mm x 1.55mm w/ EP) -
Interface SPI (3- and 4-wire), I²C -
FIFO Depth 32 levels -

Key Features

  • Ultralow Power Consumption: As low as 57 µA in measurement mode and 0.1 µA in standby mode at VS = 3.3 V (typical).
  • High Resolution: Fixed 10-bit resolution, with full resolution up to 13-bit at ±12 g, maintaining a 2.9 mg/LSB scale factor in all g ranges.
  • Flexible Interfaces: SPI (3- and 4-wire) and I²C digital interfaces.
  • Embedded FIFO Technology: Minimizes host processor load with a 32-level FIFO.
  • Motion Detection Functions: Built-in activity/inactivity monitoring and threshold sensing.
  • Wide Temperature Range: Operates from -40°C to +105°C.
  • Small and Thin Package: 5 mm x 5 mm x 1.55 mm LFCSP package).
  • Pb Free/RoHS Compliant: Environmentally friendly packaging).

Applications

  • Car Alarm Systems: Detects motion and shock, ideal for car alarm applications).
  • Hill Start Aid (HSA): Assists in preventing the vehicle from rolling back on an incline).
  • Electronic Parking Brake: Monitors the vehicle's position and motion during parking).
  • Data Recorders (Black Box): Records acceleration data in various scenarios, such as accidents or driving conditions).

Q & A

  1. What are the measurement ranges of the ADXL312?

    The ADXL312 has selectable measurement ranges of ±1.5 g, ±3 g, ±6 g, and ±12 g).

  2. What is the typical power consumption of the ADXL312 in measurement mode?

    The typical power consumption in measurement mode is 57 µA at VS = 3.3 V).

  3. What interfaces does the ADXL312 support?

    The ADXL312 supports SPI (3- and 4-wire) and I²C digital interfaces).

  4. What is the operating temperature range of the ADXL312?

    The operating temperature range is -40°C to +105°C).

  5. Does the ADXL312 have built-in motion detection functions?

    Yes, it includes built-in activity/inactivity monitoring and threshold sensing functions).

  6. What is the resolution of the ADXL312?

    The resolution is fixed at 10-bit, with full resolution up to 13-bit at ±12 g).

  7. What is the package type of the ADXL312?

    The package type is a 32-Lead LFCSP (5mm x 5mm x 1.55mm w/ EP)).

  8. Is the ADXL312 Pb free and RoHS compliant?

    Yes, the ADXL312 is Pb free and RoHS compliant).

  9. What is the FIFO depth of the ADXL312?

    The FIFO depth is 32 levels).

  10. Can the ADXL312 be used in automotive applications?

    Yes, the ADXL312 is qualified for automotive applications).

Product Attributes

Type:Digital
Axis:X, Y, Z
Acceleration Range:±1.5g, 3g, 6g, 12g
Sensitivity (LSB/g):345 (±1.5g ) ~ 43 (±12g)
Sensitivity (mV/g):- 
Bandwidth:3.125Hz ~ 1.6kHz
Output Type:I²C, SPI
Voltage - Supply:2V ~ 3.6V
Features:Adjustable Bandwidth
Operating Temperature:-40°C ~ 105°C (TA)
Mounting Type:Surface Mount
Package / Case:32-LFQFN Exposed Pad, CSP
Supplier Device Package:32-LFCSP-LQ (5x5)
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