MMA6281QR2 Sensors, Transducers

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Analog
Axis:	X, Z
Acceleration Range:	±2.5g, 3.3g, 6.7g, 10g
Sensitivity (LSB/g):	--
Sensitivity (mV/g):	480 (±2.5g) ~ 120 (±10g)
Bandwidth:	350Hz (X), 150Hz (Z)
Output Type:	Analog Voltage
Voltage - Supply:	2.2 V ~ 3.6 V
Features:	Selectable Scale, Sleep Mode
Operating Temperature:	-40°C ~ 105°C (TA)
Mounting Type:	Surface Mount
Package / Case:	16-LQFN Exposed Pad
Supplier Device Package:	16-QFN (6x6)

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MMA6281QR2 is an advanced, highly configurable 3-axis MEMS (micro-electro-mechanical systems) accelerometer for motion sensing applications. It is designed to provide a low-noise, highly reliable sensing solution for applications such as medical, consumer, and industrial. It operates from a voltage range of 3V to 5.5V, with external power supplies and I²C bus interfaces that enable higher speed performance and increased device functionality.The MMA6281QR2 is a low-noise, highly efficient 3-axis MEMS accelerometer. It uses an analog capacitive sensing element to measure the linear acceleration of a device along its three orthogonal x, y, and z axes. The component operates on a voltage range of 3V to 5.5V, and is capable of measuring accelerations up to ±6G.The MMA6281QR2 accelerometer can be used in a variety of motion sensing applications, such as detection of acceleration, tilt, and vibration. It can be used in mobile phones for motion sensing, gaming, and augmented reality applications, and can be used to detect shocks, and detect temperature changes for environmental monitoring. It can also be used in automotive applications for active/passive safety, pressure/height sensing, seat belt sensing, airbag deployment, and tyre pressure monitoring. The accelerometer’s embedded temperature sensor allows for thermal compensation in temperature extremes.The MMA6281QR2 is powered by an external power supply, and is I²C bus compatible. This allows data to be transferred up to 400kHz, providing high speed performance and increased device functionality. The accelerometer also features low electro-magnetic interference (EMI) shielding and low-noise level for reduced power consumption. It also has better ESD protection than most other accelerometers, making it an ideal choice for applications requiring long-term, reliable data acquisition.The MMA6281QR2 accelerometer features a dual-range programmable accelerometer sensitivity. This allows for two different accelerometer settings; one with a measuring range of ±2G (for low- and mid-G applications) and the other of ±6G (for medium- and high-G applications). This provides flexibility in implementing different designs with various acceleration ranges, depending on the application.The MMA6281QR2 accelerometer also offers multiple interrupts and wake-up options. It has an embedded temperature sensor, motion detection capability, programmable activity/inactivity detection thresholds, and programmable interrupt time periods. This enables the device to be programmed to detect any normal movement, motion, or external event happening in the environment.The MMA6281QR2 also features FFoscTM (Fundamental frequency Oscillator) architecture for improved sensing accuracy. This feature helps to reduce long-term drift in dynamic acceleration measurements, and provides better overall performance, making it an ideal solution for applications requiring fast response time.In conclusion, the MMA6281QR2 is an extremely efficient and reliable MEMS accelerometer that can be used in a variety of motion sensing applications. It is highly configurable, with programmable sensitivity ranges and multiple interrupt features, making it an ideal choice for industrial, medical, and consumer applications. It also has enhanced EMI shielding and low noise level, making it a cost-effective choice for long-term, reliable performance.

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