RT3001 3-Axis Digital Accelerometer
al Description:
The RT3001 is a low power three-axis motion acceleration sensor with digital output. This device has user selectable full scale ranges of ±2g, ±4g, and ±8g, and it is capable of measuring acceleration with output data rates (ODR) from 6.25Hz to 400Hz
The RT3001's low power design yields a nominal operating current rating of less than 7.6pA at 25Hz ODR and the device can automatically switch to an even lower power in Wake up Mode with 1.8μA current at 6.25Hz ODR when no motion is detected for a given period of time. Once in this low power mode: it can be triggered by a motion to return to the normal operation mode of higher ODR automatically. In Normal Mode, the low pass filter can be enabled to limit the bandwidth according to the ODR setting. High resolution measurement data therefore can be obtained due to lower noise power bandwidth.
In order to further reduce the system power, a deep FIFO is provided to store data locally, therefore allows host processor stay in low power sleep mode longer. Upon the FIFO buffer full, an interrupt is issued to inform the host processor to fetch the entire block of data.
On-chip hardware is employed to detect most frequently used motion events and issues interrupts to the host processor, such as tapping, free fall, etc. As a result, it enables the system to respond to critical events with minimum delay time.
The RT3001 can operate over a wide 1.8V to 3.3V supply range and the operating temperature range covers from -40 to +85 degree centigrade. The RT3001 is available in LGA-12L 2x2mm package, ideal for health band, smart watch and other battery powered products.
■Features
●Low Power Consumption
▲12.6μA @ 50Hz ODR Normal Mode
▲7.6μA @ 25Hz ODR Normal Mode
▲1.8μA @ 6.25Hz ODR Wake up Mode
▲0.11μA @ Power Down Mode
●System Level Power Saving Features
▲Automatic Wake up to Normal Mode Switching
▲Deep FIFO :
◆48 frames for 8-bit Data
◆32 frames for 12-bit Data
●Embedded Motion Detection Features
▲Single / Double Tap Sensing
▲Flat Detection
▲Orientation Recognition
▲Shock and Free-Fall Detection
▲Static Gesture Recognition
●Programmable Full Scale Range: ±2g/±4g/±8g
●Wide Supply and I/O Voltage Range: 1.8V to 3.3V
●Operation Temperature: -40°C to 85°C
●Digital I/O Interface
▲l²C Interface Supporting Standard Mode, Fast Mode and Fast Mode Plus
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3-Axis Digital Accelerometer 、 three-axis motion acceleration sensor |
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[ loT Devices ][ Mobile Phones ][ Tablets ][ Wearables ] |
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Datasheet |
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Please see the document for details |
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LGA-12L 2x2 |
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English Chinese Chinese and English Japanese |
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December 2018 |
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DS3001-00 |
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2.4 MB |
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