Module cảm biến gia tốc 3 trục kỹ thuật số GY-45 MMA8452 MMA8452Q

Giới thiệu Module cảm biến gia tốc 3 trục kỹ thuật số GY-45 MMA8452 MMA8452Q

GY-45 MMA8452 Module MMA8452Q Digital Triaxial Accelerometer High-precision Inclination Module

MMA8452Q is a 12-bit resolution with a smart low-power, three-axis, capacitive micromachined accelerometer. The acceleration sensor has a rich embedded feature, users with a flexible programmable options, you can configure up to two interrupt pins. Embedded interrupt feature saves overall power consumption, relieve the burden on the host processor continuously polls data. MMA8452Q having
User ± 2g / ± 4g / ± 8g optional range, real-time data output of the high pass filter and non-filtered data. The device can be configured to use any combination of configurable embedded inertial wake-up function generates an interrupt signal, which makes MMA8452Q in monitoring events while at rest to maintain a low-power mode.

characteristic
Supply voltage: 1.95 V to 3.6 V
Interface voltage: 1.6 V to 3.6 V
± 2g / ± 4g / ± 8g dynamically selectable range
The output data rate (ODR) Range: 1.56 Hz to 800 Hz
Noise: 99μg / √Hz
12-bit and 8-bit digital output
I2C digital output interface (when the pull-up resistor is 4.7 kΩ, the highest frequency up to 2.25 MHz)
Suitable for six interrupt sources two programmable interrupt pin
3 embedded motion detection channel
Freefall or motion detection: 1 channel
- Pulse detection: 1 channel
- Shake detection: 1 channel
Set with lag compensation direction (horizontal / vertical) detection
Automatic and automatic wake sleeping ODR can automatically change
High-pass filtered data can be output in real time
Self-Test
RoHS compliant
Power: 6 μA - 165 μA
typical application

Electronic Compass
Static direction detection (horizontal / vertical, up / down, left / right, front / rear position identification)
Notebooks, e-book readers and portable computers fall and freefall detection
Real-time detection of the direction of (virtual reality and 3D user game position feedback)
Analysis of real-time activity (pedometer step count for HDD free fall detection, dead reckoning GPS backup)
Suitable for motion detection portable energy-saving products (for automatic sleep phone, PDA, GPS, game consoles and automatic wake-up)
Shock and vibration detection (mechatronics compensation, shipping and warranty usage records)
User interface (menus scroll through the direction of change to achieve, for the replacement of the button label detection)



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