L3GD20 데이터 시트보기 (PDF) - STMicroelectronics

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L3GD20

MEMS motion sensor: three-axis digital output gyroscope

STMicroelectronics 

L3GD20

3

Application hints

Application hints

Figure 5. L3GD20 electrical 9cnoFnnections and external component values

+ ΩZ

X

+ ΩY

+ ΩX

(TOP VIEW)

DIRECTIONS OF THE

DETECTABLE

ANGULA RATES

Vdd GND GND

10 µF

100 nF

10nF(25V)*

C1

Vdd_IO

SCL/SPC

SDA_SDI_SDO

SDO/SA0

GND

16

1

14 13

12

TOP

VIEW

4

5

9

8

CS DR INT

Vdd I2C bus

* C1 must guarantee 1 nF value under

11 V bias condition

SCL/SPC

SDA_SDI_SDO

Rpu Rpu = 10kOhm

Pull-up to be added when I2C interface is used

AM10128V1

Power supply decoupling capacitors (100 nF + 10 µF) should be placed as near as possible

to the device (common design practice).

If Vdd and Vdd_IO are not connected together, 100 nF and 10 µF decoupling capacitors

must be placed between Vdd and common ground, and 100 nF between Vdd_IO and

common ground. Capacitors should be placed as near as possible to the device (common

design practice).

Doc ID 022116 Rev 1

15/44

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