L3GD20 datasheet(15/44 Pages) STMICROELECTRONICS

部件名	L3GD20

功能描述	MEMS motion sensor: three-axis digital output gyroscope

PDF	44 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

15 / 44 page

L3GD20

Application hints

Doc ID 022116 Rev 1

15/44

Application hints

Figure 5.

L3GD20 electrical connections and external component values

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).

9nF

100 nF

Vdd

GND

10 µF

SCL/SPC

SDO/SA0

SDA_SDI_SDO

10nF(25V)*

Vdd_IO

TOP

VIEW

INT

(TOP VIEW)

DIRECTIONS OF THE

DETECTABLE

ANGULA RATES

+Ω

Vdd I2C bus

Rpu = 10kOhm

Rpu

SCL/SPC

SDA_SDI_SDO

Pull-up to be added when I2C interface is used

GND

* C1 must guarantee 1 nF value under

11 V bias condition

AM10128V1

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