LSM6DSO datasheet(28/172 Pages) STMICROELECTRONICS

No. de pieza	LSM6DSO

Descripción Electrónicos	iNEMO inertial module: always-on 3D accelerometer and 3D gyroscope

PDF	172 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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28 / 172 page

6.4

Block diagram of filters

Figure 15. Block diagram of filters

ADC1

ADC2

Low Pass

UI Gyro

Low Pass

OIS Gyro

Low Pass

OIS XL

Regs

array,

FIFO

interface

Interrupt

mng

Auxiliary

SPI

Voltage and current

references

Trimming circuit

and Test interface

Clock and phase

generator

Power

management

FTP

SCL/SPC

SDA/SDI/SDO

SDO/SA0

SPC_Aux

SDI_Aux

SDO_Aux

INT1

INT2

Low Pass

UI XL

Gyro UI/OIS

front-end

XL UI/OIS

front-end

Temperature

sensor

Regs

array

Interrupt

mng

I2C/

/SPI

MIPI I3CSM

6.4.1

Block diagrams of the accelerometer filters

In the LSM6DSO, the filtering chain for the accelerometer part is composed of the following:

•

Analog filter (anti-aliasing)

•

Digital filter (LPF1)

•

Composite filter

Details of the block diagram appear in the following figure.

Figure 16. Accelerometer UI chain

ADC

Digital

LP Filter

Analog

Anti-aliasing

LP Filter

ODR_XL[3:0]

Composite

Filter

LPF1

LSM6DSO

Block diagram of filters

DS12140 - Rev 2

page 28/172

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