LSM330DLC datasheet(30/66 Pages) STMICROELECTRONICS

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Application hints

LSM330DLC

30/66

Doc ID 022162 Rev 2

Application hints

Figure 13.

LSM330DLC electrical connection

5.1

External capacitors

The device core is supplied through the Vdd line. Power supply decoupling capacitors (C2,

C3=100 nF ceramic, C4=10 µF Al) should be placed as near as possible to the supply pin of

the device (common design practice).

All voltage and ground supplies must be present at the same time to achieve proper

behavior of the IC (refer to Figure 13).

The functionality of the device and the measured acceleration/angular rate data is

selectable and accessible through the SPI/I2C interface.

The functions, the threshold and the timing of the two interrupt pins for each sensor can be

completely programmed by the user through the SPI/I2C interface.

Digital signal from/to signal controller.Signals levels are defined by proper selection of Vdd

DIRECTION OF

DETECTABLE

ACCELERATIONS

DIRECTION OF

DETECTABLE

ANGULAR RATE

DEN_G

FILTVDD

GND

FILTIN Y

FILTOUT Y/ OUT Y

RES

(BOTTOM VIEW)

RES

INT1_G

INT1_A

INT2_A

RES

CAP

GND

DRDY_G

RES

Vdd

10nF(25V)

GND

100 nF

GND

10 µF

GND

Vdd_IO

GND

100 nF

+Ω

* C1 must guarantee 1 nF value under 11 V bias condition

AM10163V1

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