MMA8491QR1

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MMA8491QR1

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ACCELEROMETER 8G I2C 12QFN

  • HerstellerNXP USA Inc.

  • Herstellerteil #MMA8491QR1

  • Paket TQFN-12

  • Auf Lager6622

365 Tage Qualitätsgarantie

7*24 Stunden-Servicegarantie

90-Tage Kundendienstgarantie

Originalproduktgarantie

Spezifikationen

Attribut Wert
Supplier NXP USA Inc.
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Obsolete
Type Digital
Axis X, Y, Z
Acceleration Range ±8g
Sensitivity(LSB / g) 1024
Bandwidth 0.5Hz ~ 400Hz
Output Type I²C
Voltage - Supply 1.95V ~ 3.6V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Übersicht

Description

MMA8491QR1 is a Freescale/NXP 3‑axis MEMS accelerometer used to sense motion and tilt. It measures acceleration along X, Y, and Z axes and provides motion data to a host microcontroller. The device is designed for low power, compact applications and typically runs from a low-voltage supply (about 1.8–3.6 V) and uses a digital serial interface (I2C or SPI) to deliver data. Common applications include orientation sensing, gesture/step detection, and vibration monitoring in mobile devices, wearables, controllers, automotive, and industrial sensors. For exact figures (measurement ranges, data rates, package, and interface details) refer to the specific MMA8491QR1 datasheet.

Equivalent

Equivalent parts (3-axis digital MEMS accelerometers with I2C/SPI output):
- ST LIS3DH / LIS3DE
- Bosch BMA180 / BMA280
- Analog Devices ADXL345
- Kionix KX022 / KX134
These offer similar form factor and digital interfaces to the MMA8491QR1; select by range (±2/±4/±8 g), power, and package.

Features

Here are the typical features of the MMA8491QR1:
- 3-axis MEMS accelerometer
- Analog voltage outputs for X, Y and Z axes
- Fully integrated device with no external components required
- Single-supply operation
- Low power consumption
- Small, compact package (QFN) with RoHS-compliant, lead-free construction
- Wide operating temperature range
- Factory-calibrated for offset and sensitivity (bias stability)
- Suitable for tilt, vibration, motion, and impact/shock sensing
- Applications in consumer electronics, automotive, and industrial sensing

Pinout

Pin count: 8 pins (8-pin package).
Function: 3-axis MEMS accelerometer with analog voltage outputs for X, Y, and Z axes (three analog outputs proportional to acceleration).

Manufacturer

The MMA8491QR1 is manufactured by NXP Semiconductors (the former Freescale Semiconductor; Freescale originated as Motorola’s semiconductor division). NXP is a Dutch multinational semiconductor company that designs and manufactures integrated circuits and solutions for automotive, industrial, and consumer electronics.

Application

Application areas of MMA8491QR1:
- Consumer electronics/mobile devices for screen orientation and motion-triggered UI; gesture sensing in remotes/controllers.
- Wearables/fitness devices for activity recognition and step counting.
- Gaming peripherals for motion control.
- Automotive/transport for tilt/impact sensing and vehicle dynamics.
- Industrial/IoT for vibration monitoring, asset condition sensing and machine health.
- Security/smart-home for tamper and vibration alarms.
- Datalogging and education/prototyping in labs and hobby projects.

Package

QFN-16 package (16-pin, 3×3 mm).

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