Specifications

BMA180
Preliminary data sheet
Bosch Sensortec
Rev. 1.0 Page 20 / - proprietary information - 06 March 2009
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Specifications within this document are preliminary and subject to change without notice. Document is not intended for publication.
Figure 2: Average current consumption in self wake-up mode
using high-g or low-g interrupt, here typical values in low-power mode
Typical current consumption (low noise mode)
during wake-up mode [µA]
(depending on bandwidth, calculated using typical values)
Pause [ms]
(@ 1200Hz) (@ 600Hz) (@300Hz (@150Hz) (@75Hz) (@40Hz) (@20Hz) (@10Hz)
0
900 900 900 900 900 900 900 900
20
113 140 190 273 379 518 650 753
80
32 40 57 89 139 228 355 505
360
8 10 14 22 36 64 115 200
2560
2 2 3 4 6 10 19 35
Table 4: Average current consumption in self wake-up mode
using high-g or low-g interrupt, here typical values in low-noise mode
Durations of the pause values can vary for about ±30% due to the accuracy of the oscillator
implemented within the sensor.
Additional a graph of simulation results concerning typical current consumption (low noise
mode) in wake-up mode is shown.
Typical wake-up-current BMA180/190
current mode: low noise (noise = ultra-low)
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
0 100 200 300 400 500 600 700 800 900 1000 1100 1200
selected Bandwidth [Hz]
current consumption [µA]
0
20
80
360
2560
Figure 3: Average current consumption in self wake-up mode
using high-g or low-g interrupt, here typical values in low-noise mode