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ISM303DAC Datasheet(PDF) 35 Page - STMicroelectronics

Part # ISM303DAC
Description  High-performance, low-power, compact 3D accelerometer and 3D magnetometer module
PDF  80 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ISM303DAC Datasheet(HTML) 35 Page - STMicroelectronics

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ISM303DAC
Functionality
80
4.2.6
Accelerometer data stabilization time vs. ODR setting
The data stabilization time required when an ODR change is applied in order to have valid
usable data depends on the ODR selected and accelerometer setting.
The table below provides the number of samples to be discarded in order to obtain valid
usable data for the accelerometer.
4.3
IC interface
The complete measurement chain is composed of a low-noise capacitive amplifier which
converts the capacitive unbalancing of the MEMS sensor into an analog voltage using an
analog-to-digital converter.
The acceleration and magnetic data may be accessed through an I2C/SPI interface, thus
making the device particularly suitable for direct interfacing with a microcontroller.
The ISM303DAC features a data-ready signal which indicates when new sets of measured
acceleration and magnetic data are available, thus simplifying data synchronization in the
digital system that uses the device.
Table 18. Number of samples to be discarded
ODR [Hz]
HF
HR
LP
6400
6
-
-
3200
2
-
-
1600
1
-
-
800
-
1
0
400
-
1
0
200
-
1
0
100
-
1
0
50
-
0
0
25
-
0
0
12.5
-
0
0
1-
-
0



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