LIS3DHTR datasheet(11/42 Pages) STMICROELECTRONICS

11 / 42 page

LIS3DH

Mechanical and electrical specifications

Doc ID 17530 Rev 1

11/42

2.2

Temperature sensor characteristics

Vdd =2.5 V, T=25 °C unless otherwise noted (b)

2.3

Electrical characteristics

Vdd = 2.5 V, T = 25 °C unless otherwise noted (c)

The product is factory calibrated at 2.5 V.

Table 4.

Temperature sensor characteristics

Symbol

Parameter

Test condition

Min.

Typ.(1)

Max.

Unit

TSDr

Temperature sensor output change vs

temperature

1digit/°C(2)

TODR

Temperature refresh rate

ODR

Top

Operating temperature range

-40

+85

°C

Typical specifications are not guaranteed.

8-bit resolution.

The product is factory calibrated at 2.5 V. The operational power supply range is from 1.71 V to 3.6 V.

Table 5.

Electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.(1)

Max.

Unit

Vdd

Supply voltage

1.71

2.5

3.6

Vdd_IO I/O pins supply voltage(2)

1.71

Vdd+0.1

Idd

Current consumption in normal mode

50 Hz ODR

µA

Idd

Current consumption in normal mode

1 Hz ODR

µA

IddLP

Current consumption in low-power mode

50 Hz ODR

µA

IddPdn

Current consumption in power-down

mode

0.5

µA

VIH

Digital high level input voltage

0.8*Vdd_IO

VIL

Digital low level input voltage

0.2*Vdd_IO

VOH

High level output voltage

0.9*Vdd_IO

VOL

Low level output voltage

0.1*Vdd_IO

System bandwidth(3)

ODR/2

Ton

Turn-on time(4)

ODR = 100 Hz

Top

Operating temperature range

-40

+85

°C

Typical specification are not guaranteed.

It is possible to remove Vdd maintaining Vdd_IO without blocking the communication busses, in this condition the

measurement chain is powered off.

Referred to Table 25 for the ODR value and configuration.

Time to obtain valid data after exiting power-down mode.

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