LPS22HH datasheet(9/59 Pages) STMICROELECTRONICS

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LPS22HH

Mechanical and electrical specifications

3.1

Mechanical characteristics

VDD = 1.8 V, T = 25 °C, unless otherwise noted.

Table 3. Pressure and temperature sensor characteristics

Symbol

Parameter

Test condition

Min.

Typ.(1)

Max.

Unit

Pressure sensor characteristics

PTop

Operating temperature range

-40

+85

°C

Pop

Operating pressure range

260

1260

hPa

Pbits

Pressure output data

bits

Psens

Pressure sensitivity

4096

LSB/

hPa

PAccRel

Relative accuracy over pressure(2)

P = 800 - 1100 hPa

T = 25 °C

±0.025

hPa

PAccT

Absolute accuracy over temperature Pop, T = -20 to 80°C

±0.5

hPa

Pnoise

RMS pressure sensing noise(3)

with embedded filter

and at T = 25 °C

0.0065

hPa

RMS

ODRPres

Pressure output data rate(4)

100

200

TCO

Temperature coefficient offset

P = 660 ~ 1160 hPa,

T = -20 ~ +65 °C

±0.65

Pa/°C

P_longterm

Pressure accuracy, long-term

stability(5)

±0.33

hPa/year

P_drift

Soldering drift

±0.5

hPa

Temperature sensor characteristics

Top

Operating temperature range

-40

+85

°C

Tsens

Temperature sensitivity

100

LSB/°C

Tacc

Temperature absolute accuracy

T = 0 to 80°C

±1.5

°C

ODRT

Output temperature data rate(4)

100

200

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