DPS310 datasheet(22/41 Pages) INFINEON

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6.3.1

General interface parameters

The general interface parameters are given in the table below:

Table 12

Interface parameters

Parameter

Symbol

Values

Unit

Note or Test

Condition

Min.

Typ.

Max.

Input voltage for low logic

level at input pins

Vlow_in

0.3 *

VDDIO

VDDIO=1.2V to 3.6V

Input voltage for high logic

level at input pins

Vhigh_in

0.7 *

VDDIO

VDDIO=1.2V to 3.6V

Output - low level for I2C

Vlow_SDI

0.1 *

VDDIO

VDDIO=1.8V,

iol=2mA

Output voltage for low level

at pin SDI for I2C

Vlow_SDI_1.2

0.2*

VDDIO

VDDIO=1.20V,

iol=1.3mA

Output voltage for high level

at pins SDO, SDI

Vhigh_out

0.8 *

VDDIO

VDDIO=1.8V,

iol=1mA (SDO,

SDI)

Output voltage for high level

at pins SDO, SDI

Vhigh_out_1.2

0.6 *

VDDIO

VDDIO=1.2V,

iol=1mA (SDO,

SDI)

Pull-up resistor

Rpull

120

180

kohm Internal pull-up

resistance to VDDIO

I2C bus load capacitor

400

On SDI and SCK

6.3.1.1

I2C timings

The I2C timing is shown in the diagram below and corresponding values are given in the table below. The

naming refers to I2C Specification version 2.1, the abbreviations used "S&F mode" = standard and fast mode,

"HS mode" = high speed mode, Cb = bus capacitance on SDA line.

DPS310 - Digital Pressure Sensor

Digital Barometric Pressure Sensor for Portable Devices

Digital interfaces

V1.0

2016-09-05

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