www.sensirion.com

Version 0.8 – January 2017

3/14

2. Specifications

2.1

Electrical Specifications

Parameter

Symbol

Condition

Min.

Typ.

Max.

Units

Comments

Supply Voltage

3.0

3.3

4

V

For 5V supply contact

Sensirion

Power-up/down level

2.3

2.5

2.7

V

VDD ramp up slew

0.2

V/ms

Minimum voltage

ramp up slew when

powering up SDP3x

Supply current

Measuring

3.8

5.5

mA

Idle state

1.1

mA

IRQn driving strength

4

mA

2.2

Timing Specifications

Parameter

Symbol

Condition

Min.

Typ.

Max.

Units

Comments

Power-up time

25

ms

Time to sensor ready

Soft reset time

20

ms

Time between soft

reset command and

sensor ready

400

1000

kHz

Update rate differential

pressure value

Continuous mode

900

1000

1100

Hz

Upgrade to 2kHz

expected in March

2017

Update rate

temperature value

Continuous mode

112.5

125

137.5

Hz

Temperature value is

updated once every

eight pressure values

Measurement time

Triggered mode

40

45

50

ms

2.3

Mechanical Specifications

Parameter

Symbol

Condition

Min.

Typ.

Max.

Units

Comments

1

bar

Rated burst pressure

3

bar

Weight

W

0.2

g

2.4

Materials

Parameter

Wetted materials

Glass (silicon nitride, silicon oxide), LCP, green epoxy-based mold compound, epoxy-based resins

REACH, RoHS

REACH and RoHS compliant

2.5

Absolute Maximum Ratings

Parameter

Rating

Units

-0.3 to 4.5

V

Max Voltage on pins SDA, SCL, IRQn

V

Input current on any pin

±70

mA

-40 to +85

°C

-40 to +85

°C

Max. humidity for long term exposure

40°C dew point

ESD HBM (human body model)

2

kV

changes on both ports can result in dynamic effects on the sensor signal. For higher overpressures or continuous high overpressures contact Sensirion.

2

3

For long term storage in Tape and Reel, please refer to the SDP3x handling instructions