MMA1211EG

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Analog
Axis:	Z
Acceleration Range:	±169g
Sensitivity (LSB/g):	--
Sensitivity (mV/g):	13.33
Bandwidth:	400Hz
Output Type:	Analog Voltage
Voltage - Supply:	4.75 V ~ 5.25 V
Features:	--
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	16-SOIC

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MMA1211EG Application Field and Working Principle

Motion sensors, such as accelerometers, have become increasingly popular in consumer electronics and industrial applications. Measuring acceleration over time can provide valuable insight into the behavior and motion of a system. The capacitive MEMS accelerometer MMA1211EG is an example of such a sensor, and is capable of measuring linear acceleration in three axis.

Application Field of the MMA1211EG

The MMA1211EG can be used in a wide range of applications. It is designed to measure linear acceleration along the X/Y/Z axis to measure tilt, vibration, shock and motion in a variety of conditions. Additionally, the MMA1211EG is capable of measuring vibration in medium to high frequency ranges, allowing it to be used in applications involving high speed movements. The sensor also features small size, low power consumption, and high reliability. This makes the MMA1211EG suitable for use in handheld devices, wearable electronics, and other compact systems. The sensor can also be used in industrial applications, such as monitoring of motor speed, fluid flow, or other high-frequency operations.

Working Principle of the MMA1211EG

The MMA1211EG is a capacitive MEMS accelerometer, which means that it uses a microelectromechanical system (MEMS) structure in order to measure linear acceleration. The sensor contains a MEMS structure consisting of a proof mass, which is suspended over a substrate. This MEMS structure is electrically connected to the rest of the circuitry. When an acceleration is applied to the accelerometer, the proof mass is displaced from its equilibrium position. This displacement in the proof mass is then detected by the sensor’s circuitry, and the acceleration is calculated based on the displacement and the internal conversion factors of the accelerometer. The acceleration is then outputted in digital form. The MMA1211EG features a low power LED range of +/- 20g, a low power I2C range of 1.5g to 8g, and a low power SPI range of 0.5g to 16g. The accelerometer features programmable bandwidth, and can be used for a variety of applications, including vibration monitoring, tilt sensing, shock sensing, and general motion detection.

Conclusion

The MMA1211EG is a capacitive MEMS accelerometer, designed for use in a wide range of applications, including consumer electronics and industrial applications. The sensor can measure linear acceleration along the X/Y/Z axis, and features programmable bandwidth and a low power LED range of +/- 20g. It also features high reliability, small size, and low power consumption, making it suitable for use in a variety of handheld and wearable devices.

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