A3G4250D 데이터 시트보기 (PDF) - STMicroelectronics

부품명

상세내역

일치하는 목록

A3G4250D

MEMS motion sensor: 3-axis digital output gyroscope

STMicroelectronics 

A3G4250D

Block diagram and pin description

1

Block diagram and pin description

Figure 1. Block diagram

+Ωx,y,z

X+

CHARGE MIXER LOW-PASS

Y+

AMP

FILTER

Z+

M

A

U

D

X

C

Z-

1

Y-

X-

T

E

DRIVING MASS

M

P

E

R

A

T

U

S

E

N

S

O

R

A

D

C

2

Feedback loop

R

E

D

I

G

I

T

A

L

F

I

L

T

E

R

I

N

G

CS

I2C SCL/SPC

SPI

SDA/SDO/SDI

SDO

REFERENCE

TRIMMING

CIRCUITS

FIFO

CLOCK

&

PHASE GENERATOR

CONTROL LOGIC

&

INTERRUPT GEN.

INT1

DRDY/INT2

AM07225v1

The vibration of the structure is maintained by drive circuitry in a feedback loop. The sensing

signal is filtered and appears as a digital signal at the output.

1.1

Pin description

Figure 2.

Pin connection

+ ΩZ

1

X

+ ΩY

+Ω X

(TOP VIEW)

DIRECTIONS OF THE

DETECTABLE

ANGULAR RATES

13

16

RES 12

1

RES

RES

BOTTOM

VIEW

Vdd_IO

SCL/SPC

SDA/SDI/SDO

RES 9

8

4 SDO/SA0

5

AM07226v1

Doc 022768 Rev 3

7/44

Share Link: