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2.2 Timings

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units Comments

Power-up time

tPU

After hard reset,

VDD

≥ VPOR

-

0.5

1

ms

Time between VDD

reaching VPOR and

sensor entering idle

state

Soft reset time

tSR

After soft reset.

-

0.5

1.5

ms

Time between ACK of

soft reset command and

sensor entering idle

state

Duration of reset

pulse

tRESETN

1

-

-

µs

See section 4.9

Measurement

duration

tMEAS,l

Low

repeatability

-

2.5

4

ms The three repeatability

modes differ with

respect to measurement

duration, noise level and

energy consumption.

tMEAS,m

Medium

repeatability

-

4.5

6

ms

tMEAS,h

High

repeatability

-

12.5

15

ms

Table 5. System timing specification, valid from

−40 °C to 125 °C and 2.4 V … 5.5 V.

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units Comments

Power-up time

tPU

After hard reset,

VDD

≥ VPOR

-

0.5

1.5

ms

Time between VDD

reaching VPOR and

sensor entering idle

state

Measurement

duration

tMEAS,l

Low

repeatability

-

2.5

4.5

ms The three repeatability

modes differ with

respect to measurement

duration, noise level and

energy consumption.

tMEAS,m

Medium

repeatability

-

4.5

6.5

ms

tMEAS,h

High

repeatability

-

12.5

15.5

ms

Table 6. System timing specification, valid from

−40 °C to 125 °C and 2.15 V … <2.4 V.

2.3 Absolute Maximum Ratings

Stress levels beyond those listed in Table 7 may cause permanent damage or affect the reliability

of the device. These are stress ratings only and functional operation of the device at these

conditions is not guaranteed. Ratings are only tested each at a time.

Parameter

Rating

Units

Supply voltage VDD

−0.3 to 6

V

Max Voltage on pins (pin 1 (SDA); pin 2 (ADDR); pin 3 (ALERT); pin

4 (SCL); pin 6 (nRESET))

−0.3 to VDD +0.3

V

Input current on any pin

±100

mA

Operating temperature range

−40 to 125

°C

Storage temperature range

−40 to 150

°C

ESD HBM (human body model)11

4

kV

ESD CDM (charge device model)12

750

V

Table 7. Minimum and maximum ratings, voltages may only be applied for short time periods.

11 According to ANSI/ESDA/JEDEC JS-001-2014; AEC-Q100-002.

12

According to ANSI/ESD S5.3.1-2009; AEC-Q100-011.