±2g/±4g/±8g/±16g, Low-Power 12-Bit Digital Accelerometer

FXLS8964AF

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FXLS8964AF is a compact 3-axis accelerometer designed for applications requiring ultra-low power wake up on motion. With AEC-Q100 qualification and an extended temperature range, this device is an ideal choice for Automotive Key Fob application.

This smart sensor includes advanced digital features such as the SDCD block for inertial event detection, auto wake sleep, 32 sample FIFO/LIFO buffer and a single wire interface, ensuring overall power savings and simplified host data collection.

Block Diagram

FXLS8964AF Block Diagram

FXLS8964AF Block Diagram
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Features

Compact Package

  • 2 mm x 2 mm x 0.95 mm 10-pin DFN package

Automotive Qualified

  • AEC-Q100, extended temperature range from –40 °C to +105 °C

Robust Design

  • EMC compliant, DFN package with wettable flanks

Low Power

  • ≤ 1 μA IDD up to 6.25 Hz, 20 uA IDD at 400 Hz
  • 650 nA in standby mode
  • 50 nA in hibernate mode

Ultra-Low Power Wake Up

  • Dedicated ultra-low-power motion-detection mode with a single wire interface option

Full-Scale Range

  • ±2 g / ±4 g / ±8 g / ±16 g

Resolution

  • 12 bit

Output Data Rate

  • 0.78 Hz to 3200 Hz

Communication Interface

  • I2C up to 1 MHz and SPI up to 4 MHz

Configurable Interrupts

  • SDCD block for Freefall, motion or no motion, high-g/low-g, inertial events
  • Vector magnitude
  • Orientation (landscape, portrait, up, down)
  • FIFO/LIFO (144 bytes)
  • Auto-wake sleep for power savings

Bidirectional Self-Test Diagnostic

  • The result is not impacted by device motion or orientation

Sensor Toolbox: Sensor Development Ecosystem

Sensor Toolbox: Sensor Development Ecosystem

Sensor Development Toolbox is the complete ecosystem for product development with NXP’s motion and pressure sensors targeted toward IoT, Industrial, Medical applications. It encompasses a wide spectrum of sensor evaluation hardware and software tools making our sensors easy to use.

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