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PDF BMA180 Data sheet ( Hoja de datos )
| Número de pieza | BMA180 | |
| Descripción | triaxial acceleration sensor | |
| Fabricantes | Bosch Sensortec GmbH | |
| Logotipo |  |
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BMA180
Digital, triaxial acceleBDrMaataAtsi1hoe8en0t sensor
Data sheet
Bosch Sensortec
Bosch Sensortec
BMA180 data sheet
Ordering code
Please contact your Bosch Sensortec representative for the ordering code
Package type
12-pin LGA
Data sheet version
2.5
Document release date
07 December 2010
Document number
BST-BMA180-DS000-07
Technical reference code(s)
0 273 141 053
NRoetev.s2.5
SpecificatPioangsea1re subject to change without not0ic7eD. ecember 2010
© Bosch Sensortec GmbH reserves all rights ePvreondinucthtepehveonttoosf inadnudstrpiailcptruorpeesrtyarirgehtsf.oWr eillruessetrvaetiaolnl rigphutsrpoof dsiespsosoanl slyucahnd may
as copying and passing on to third parties. BOdSiCffHerafnrdotmhetshyemrbeoal alrperroedgiustcetr’esdatrpapdeemaararknscoef .Robert Bosch GmbH, Germany.
Specifications within this document are preliminary and subject to change without notice. Document is not intended for publication.
1 page  
BMA180
Data sheet
Bosch Sensortec
Table of Contents
1 SPECIFICATION................................................................................................................................... 8
2 ABSOLUTE MAXIMUM RATINGS..................................................................................................... 13
3 BLOCK DIAGRAM ............................................................................................................................. 14
4 OPERATION MODES......................................................................................................................... 15
4.1 STANDARD OPERATIONAL MODES .................................................................................................... 15
4.2 SLEEP MODE .................................................................................................................................. 15
4.2.1 General information .............................................................................................................. 15
4.2.2 Current consumption using duty cycling............................................................................... 16
4.3 WAKE-UP MODE ............................................................................................................................. 16
4.3.1 General information .............................................................................................................. 16
4.3.2 Current consumption in wake-up mode................................................................................ 17
5 DATA CONVERSION ......................................................................................................................... 19
5.1 ACCELERATION DATA...................................................................................................................... 19
5.2 TEMPERATURE MEASUREMENT........................................................................................................ 19
6 INTERNAL LOGIC FUNCTIONS........................................................................................................ 20
6.1 LOW-G INTERRUPT LOGIC................................................................................................................ 20
6.2 HIGH-G LOGIC ................................................................................................................................ 21
6.3 SLOPE DETECTION (OR ANY MOTION DETECTION).............................................................................. 21
6.4 TAP SENSING ................................................................................................................................. 21
6.5 ALERT MODE .................................................................................................................................. 21
7 GLOBAL MEMORY MAP ................................................................................................................... 22
7.1 GLOBAL MEMORY MAPPING: GENERAL INFORMATION......................................................................... 23
7.2 REGISTERS .................................................................................................................................... 24
7.3 PROGRAMMING OF THE CALIBRATION PARAMETERS .......................................................................... 24
7.4 REGISTER ARITHMETIC.................................................................................................................... 25
7.5 EEPROM...................................................................................................................................... 25
7.5.1 General information .............................................................................................................. 25
7.5.2 EEPROM reading ................................................................................................................. 25
7.5.3 EEPROM writing................................................................................................................... 25
7.5.4 EEPROM protection ............................................................................................................. 26
7.5.5 EEPROM content upon delivery (after production test) ....................................................... 26
7.5.6 ee_w_flag - EEPROM-written flag........................................................................................ 27
7.5.7 EEPROM Endurance............................................................................................................ 27
7.6 IMAGE............................................................................................................................................ 27
7.6.1 Image writing......................................................................................................................... 27
7.6.2 Image reading ....................................................................................................................... 27
7.7 GENERAL FUNCTIONAL SETTINGS .................................................................................................... 28
7.7.1 range..................................................................................................................................... 28
7.7.2 bw ......................................................................................................................................... 28
7.7.3 mode_config ......................................................................................................................... 29
7.7.4 readout_12bit........................................................................................................................ 30
7.7.5 smp_skip (sample skipping) ................................................................................................. 30
7.7.6 shadow_dis........................................................................................................................... 30
7.7.7 dis_reg .................................................................................................................................. 31
7.7.8 wake_up................................................................................................................................ 31
Rev. 2.5
Page 5
07 December 2010
© Bosch Sensortec GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such
as copying and passing on to third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Specifications within this document are preliminary and subject to change without notice. Document is not intended for publication.
5 Page 
BMA180
Data sheet
Bosch Sensortec
PARAMETER
DC Power
supply rejection
ratio
AC Power
supply rejection
ratio
Noise density
low power mode
Noise density
low noise mode
Bandwidth5
Nonlinearity
SYMBOL
PSRR_
DC
PSRR_
AC
N_LP
N_LN
BW_10
BW_20
BW_40
BW_75
BW_150
BW_300
BW_600
BW_1200
BW_HP
BW_BP
1g
1.5g
2g
3g
4g
CONDITION
in ±2g range,
VDD = 2.4 V
(dis_reg = 0)
With 0.4V peak to
peak AC signal on
VDD at internal
clock frequencies
(dis_reg=0)
Low power mode
@ 1200Hz, 2g
Low noise mode
@ 1200Hz, 2g
High pass
Band pass
best fit straight line
best fit straight line
8g
best fit straight line
16g
Temperature
sensor
bandwidth
BW_temp
Temperature
sensor
sensitivity
Temp_sens
Temperature
sensor offset
Temp_off
MIN
-5
TYP
MAX
UNIT
10 LSBADC/V
140 LSBADC/V
200
150
10
20
40
75
150
300
600
1,200
1
0.2 - 300
±0.15
μg/√Hz
μg/√Hz
Hz
%FS
±0.25
±0.75
275
0.5
%FS
%FS
Hz
K/
LSBTEMP
5K
5 In low power mode, BW is divided by 2 (e.g. 10Hz 5Hz)
Rev. 2.5
Page 11
07 December 2010
© Bosch Sensortec GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such
as copying and passing on to third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Specifications within this document are preliminary and subject to change without notice. Document is not intended for publication.
11 Page | ||
| Páginas | Total 70 Páginas | |
| PDF Descargar | [ Datasheet BMA180.PDF ] | |
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