ISM303DAC datasheet(14/80 Pages) STMICROELECTRONICS

14 / 80 page

Module specifications

ISM303DAC

14/80

DocID030988 Rev 2

M_R

Magnetic RMS noise(13)

High-performance mode

mgauss

(RMS)

Self-test positive difference(14)

(accelerometer only)

1500

M_ST

Magnetic self-test(15)

500

mgauss

Top

Operating temperature range

-40

+85

°C

1. Min/Max values are based on characterization results, not tested in production and not guaranteed.

2. Typical specifications are not guaranteed.

3. The typical value of the magnetic dynamic range applies when the magnetic field is fully aligned with one of the sensitive

axes. In presence of a stray field in the cross-axis direction, the magnetic dynamic range (max module) can decrease down

to the min value.

4. Sensitivity calculated at 16-bit.

5. Values after calibration test and trimming.

6. Measurements are performed in a uniform temperature setup and they are based on characterization data in a limited

number of samples, not measured during final test for production.

7. Typical zero-g level offset value after calibration and trimming.

8. Offset can be eliminated by enabling the slope filter.

9. Based on characterization data on a limited number of samples, not measured during final test for production.

10. Excluding drift due to magnetic shock.

11. Noise density is the same for all ODR.

12. RMS noise is the same for all ODR.

13. With low-pass filter or offset cancellation enabled.

14. “Self-test positive difference” is defined as: OUTPUT[mg](CTRL3 ST2, ST1 bits=01) - OUTPUT[mg](CTRL3 ST2, ST1 bits=00).

15. Magnetic “self-test” is defined as OUTPUT[gauss](self-test enabled) - OUTPUT[gauss](self-test disabled).

Table 3. Sensor characteristics (continued)

Symbol

Parameter

Test conditions

Min.(1)

Typ.(2)

Max.(1)

Unit

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