www.sensirion.com

Version 1.0 – D1 – May 2020

3/8

Electrical Specifications

Parameter

Conditions

Value

Update interval 2 s

19 mA

Max. current

During measurement

75 mA

Min. and max. criteria to operate SCD30

3.3 V – 5.5 V

Interface

-

UART (Modbus Point to Point; TTL Logic),

I2C

Min. and max. criteria to operate SCD30

1.75 V - 3.0 V

Modbus

Min. and max. criteria to operate SCD30

1.75 V – 5.5 V

I2C/Modbus

Min. and max. criteria to operate SCD30

- 0.3 V – 0.9 V

I2C/Modbus

0.4 V

I2C/Modbus

2.4 V

Table 4 SCD30 electrical specifications

Operation Conditions, Lifetime and Maximum Ratings

Parameter

Conditions

Value

Temperature operating conditions

0 – 50°C

Humidity operating conditions

0 – 95 %RH

DC supply voltage

Exceeding specified range will result in

damage of the sensor.

- 0.3 V – 6.0V

Voltage to pull up selector-pin

Max criteria

4.0 V

Voltage to pull up selector-pin

Min criteria

1.75 V

Storage temperature conditions

Exceeding specified range will result in

damage of the sensor.

- 40°C – 70°C

Maintenance Interval

Maintenance free when ASC field-

None

Sensor lifetime

-

15 years

Table 5: SCD30 operation conditions, lifetime and maximum ratings

10

Average current including idle state and processing. Other update rates for small power budgets can be selected via the digital interface.

11

regularly.