Datasheet

Table Of Contents
Datasheet
BMM150 Geomagnetic Sensor
Page 6
BST-BMM150-DS001-01 | Revision 1.0 | April 2013 Bosch Sensortec
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third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Note: Specifications within this document are subject to change without notice.
1. Specification
If not stated otherwise, the given values are over lifetime and full performance temperature and
voltage ranges, minimum/maximum values are ±3.
1.1 Electrical operation conditions
Table 1: Electrical parameter specification
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Supply Voltage
Internal Domains
V
DD
1.62
2.4
3.6
V
Supply Voltage
I/O Domain
V
DDIO
1.2
1.8
3.6
V
Voltage Input
Low Level
V
IL,a
SPI & I²C
0.3V
DDIO
-
Voltage Input
High Level
V
IH,a
SPI & I²C
0.7V
DDIO
-
Voltage Output
Low Level
V
OL
V
DDIO
= 1. 2V
I
OL
= 3mA, SPI & C
0.2V
DDIO
-
Voltage Output
High Level
V
OH
V
DDIO
= 1.62V
I
OH
= 2mA, SPI & I²C
0.8V
DDIO
-
Magnetic field
range
B
rg,xy
T
A
=25°C
1
±1200
±1300
µT
B
rg,z
±2000
±2500
µT
Magnetometer
heading accuracy
2
Ac
heading
30µT horizontal
geomagnetic field
component,
T
A
=25°C
±2.5
deg
Supply Current in
Active Mode
(average)
3
I
DD,lp,m
Low power preset
Nominal V
DD
supplies
T
A
=25°C,
ODR=10Hz
170
µA
I
DD,rg,m
Regular preset
Nominal V
DD
supplies
T
A
=25°C,
ODR=10Hz
0.5
mA
I
DD,eh,m
Enhanced regular
preset
Nominal V
DD
supplies
T
A
=25°C,
0.8
mA
1
Full linear measurement range considering sensor offsets.
2
The heading accuracy depends on hardware and software. A fully calibrated sensor and ideal
tilt compensation are assumed.
3
For details on magnetometer current consumption calculation refer to chapter 4.2.1 and 4.2.2.