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Acceleration sensor

In mobile terminal devices and wearable devices, acceleration sensors are becoming a standard device. For example, in smartphones and tablet PCs, three-axis acceleration sensors are used to achieve screen flip function; in bracelet watches, three-axis acceleration sensors can achieve pedometer, sleep monitoring and other functions; in TWS headphones, three-axis acceleration sensors are used as interfaces for human-computer interaction to identify operations such as clicking and double-clicking.
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MEMSInertial sensor
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Product Features：　　

      In mobile terminal devices, wearable devices, acceleration sensors are becoming a standard device. For example, in smartphones and tablet PCs, three-axis acceleration sensors are used to achieve screen flip function; in bracelet watches, three-axis acceleration sensors can achieve functions such as pedometer and sleep monitoring; in TWS headphones, three-axis acceleration sensors are used as interfaces for human-computer interaction to identify operations such as click and double click.

　　Minchip has the ability to design the whole process of acceleration sensor, including MEMS design, ASIC design, packaging and testing. The product is feature-rich, with multiple interrupt outputs and a built-in FIFO with a depth of 32, which can effectively reduce the system power consumption of the whole machine, especially suitable for application scenarios with strict requirements on power consumption, such as bracelets and watches.

Product Model： 

Product Model Supply voltage (V) Resolution Range Interface FIFO Package Size(mm)
MSA310 1.62~3.6 12-bits +/- 16 g I2C 64 depth 2x2x0.95
MSA311 1.62~3.6 12-bits +/- 16 g I2C - 2x2x0.95

 

Technical parameters  ：

Symbol Parameter Conditions Min Typ Max Unit
FS Full scale range     ±2   g
FS Full scale range     ±4   g
FS Full scale range     ±8   g
FS Full scale range     ±16   g
S2g Sensitivity each axis at 25°C   1024   LSB/g
S4g Sensitivity each axis at 25°C   512   LSB/g
S8g Sensitivity each axis at 25°C   256   LSB/g
S16g Sensitivity each axis at 25°C   128   LSB/g
TCS Sensitivity Temperature Coefficient FS=±2g   0.02   %/ oC
Off Zero g Offset @ 25 oC, X/Y/Z axis   ±80   mg
TCO Zero g Offset Temperature Coefficient   ±1   mg/ oC
-40 – +85 °C
Nrms Noise Density FS=±2g   300   μg/√Hz
NL Non-Linearity   2   %FS
best straight line
Cs Cross Axis Sensitivity Between any two axes   2   %
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