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4

Electrical Specifications

Valid for all electrical specifications: Typical values correspond to VDD = 3.3 V and T = 25 °C. Min. and max.

values are valid in the full temperature range -40 °C … 125 °C, at declared VDD levels and are based on

characterization.

Parameter

Symbol

Conditions

Min

Typ.

Max

Unit

Comments

Supply voltage

VDD

2.3

3.3

5.5

V

-

Power-up/down

level

VPOR

Static power supply

0.7

-

2.3

V

-

Supply current

(no heater)

IDD

Idle state

-

18

-

µA

-

Measurement

-

320

500

µA

Average current

consumption while

sensor is measuring

Aver., high repeatability

Aver., med. repeatab.

Aver., low repeatab.

-

-

-

20

19

18

-

-

-

µA

Aver. current

consumpt. (contin.

operation at 1Hz)

Low level input

voltage

VIL

0

-

0.3*VDD

V

-

High level input

voltage

VIH

0.7*VDD

-

VDD

V

-

Pull up resistors

Rp

VDD < 3.0V

820

-

-

Ω

-

VDD ≥ 3.0V

390

-

-

Low level

output voltage

VOL

VDD ≥ 2.3V, Rp ≥ 820 Ω

-

-

0.4

V

-

VDD ≥ 3.0V, Rp ≥ 390 Ω

-

-

Table 4. Electrical specifications (continuation on next page). “x” used as placeholder.