BMM150 datasheet(7/56 Pages) ETC2

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Datasheet

BMM150 Geomagnetic Sensor

Page 7

BST-BMM150-DS001-01 | Revision 1.0 | April 2013

Bosch Sensortec

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.

ODR=10Hz

IDD,ha,m

High accuracy

preset

Nominal VDD

supplies

TA=25°C,

ODR=20Hz

4.9

Supply Current in

Suspend Mode

IDDsm,m

Nominal VDD/VDDIO

supplies, TA=25°C

µA

Peak supply

current in Active

Mode

IDDpk,m

In measurement

phase

Nominal VDD

supplies

TA=25°C

Peak logic supply

current in active

mode

IDDIOpk,m

Only during

measurement

phase

Nominal VDDIO

supplies

TA=25°C

210

270

µA

POR time

tw_up,m

from OFF to

Suspend; time

starts when

VDD>1.5V and

VDDIO>1.1V

1.0

Start-Up Time

ts_up,m

from Suspend to

sleep

3.0

1.2 Magnetometer output signal specification

MAGNETOMETER OUTPUT SIGNAL

Parameter

Symbol

Condition

Min

Typ

Max

Unit

Device

Resolution

Dres,m

TA=25°C

0.3

µT

Gain error4

Gerr,m

After API

compensation

TA=25°C

Nominal VDD supplies

±2

±5

Sensitivity

Temperature

Drift

TCSm

After API

compensation

-40°C ≤ TA ≤ +85°C

Nominal VDD supplies

±0.01

±0.03

%/K

Zero-B offset

OFFm

TA=25°C

±40

µT

Zero-B offset

OFFm,cal

After software

±2

µT

4 Definition: gain error = ( (measured field after API compensation) / (applied field) ) - 1

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