Overview
The FXLS8964AFR3 is a compact 3-axis low-g Micro-Electro-Mechanical Systems (MEMS) accelerometer designed by NXP USA Inc. This device is specifically tailored for use in automotive remote keyless entry (key fob) applications and other low-g acceleration sensing needs. It offers high sensitivity and accuracy, making it suitable for detecting subtle movements and orientations.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Axes | 3-axis |
| Sensitivity | Typically 1 mg/LSB at 2 g full scale |
| Full Scale Range | ±2 g, ±4 g, ±8 g (programmable) |
| Output Data Rate (ODR) | 1.56 Hz to 800 Hz (programmable) |
| Interface | I2C, SPI (3-wire and 4-wire modes) |
| Power Supply | 1.8 V to 3.6 V |
| Operating Temperature | -40°C to 105°C |
| Package Type | 10-VFDFN |
| RoHS Compliance | ROHS3 Compliant |
Key Features
- High sensitivity and low noise for accurate acceleration measurements
- Programmable full scale range and output data rate to suit various application needs
- Support for both I2C and SPI communication interfaces, including 3-wire SPI mode
- Low power consumption with multiple operating modes (Active, Standby, Hibernate)
- Integrated temperature sensor for additional environmental monitoring
- Compact 10-VFDFN package suitable for space-constrained designs
Applications
- Automotive remote keyless entry (key fob) systems
- Consumer electronics requiring motion sensing (e.g., smartphones, tablets)
- Industrial automation and control systems
- Health and fitness devices (e.g., wearables, fitness trackers)
- Other applications requiring low-g acceleration sensing and orientation detection
Q & A
- What is the FXLS8964AFR3 used for?
The FXLS8964AFR3 is used for detecting low-g accelerations and is particularly suited for automotive remote keyless entry systems and other applications requiring motion sensing. - What are the available full scale ranges for the FXLS8964AFR3?
The device supports programmable full scale ranges of ±2 g, ±4 g, and ±8 g. - What communication interfaces does the FXLS8964AFR3 support?
The device supports both I2C and SPI communication interfaces, including 3-wire SPI mode. - What is the operating temperature range of the FXLS8964AFR3?
The operating temperature range is -40°C to 105°C. - Is the FXLS8964AFR3 RoHS compliant?
Yes, the FXLS8964AFR3 is ROHS3 compliant. - What is the typical sensitivity of the FXLS8964AFR3?
The typical sensitivity is 1 mg/LSB at 2 g full scale. - Can the output data rate be adjusted?
Yes, the output data rate is programmable from 1.56 Hz to 800 Hz. - Does the FXLS8964AFR3 have an integrated temperature sensor?
Yes, it includes an integrated temperature sensor for additional environmental monitoring. - What are the power supply requirements for the FXLS8964AFR3?
The device operates with a power supply of 1.8 V to 3.6 V. - What package type is the FXLS8964AFR3 available in?
The device is available in a 10-VFDFN package.
