LIS2DS12 datasheet(13/68 Pages) STMICROELECTRONICS

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LIS2DS12

Mechanical and electrical specifications

2.2

Electrical characteristics

2.3

Temperature sensor characteristics

@ Vdd =1.8 V, T=25 °C unless otherwise noted

Table 4. Electrical characteristics @ Vdd = 1.8 V, T = 25 °C unless otherwise noted (1)

Symbol

Parameter

Test conditions

Min.

Typ.(2)

Max.

Unit

Vdd

Supply voltage

1.62

1.8

1.98

Vdd_IO I/O pins supply voltage(3)

1.62

Vdd+0.1

IddHR

Current consumption in

high-resolution mode

@ ODR range

12.5 Hz - 6400

Hz, 12-14 bit

150

μA

IddLP

Current consumption

in low-power mode

ODR 100 Hz

12.5

μA

ODR 50 Hz

ODR 12.5 Hz

ODR 1 Hz

2.5

Idd_PD

Current consumption

in power-down

0.7

μA

VIH

Digital high-level input voltage

0.8*Vdd_IO

VIL

Digital low-level input voltage

0.2*Vdd_IO

VOH

Digital high-level output voltage IOH = 4 mA(4)

VDD_IO - 0.2 V

VOL

Digital low-level output voltage IOL = 4 mA(4)

0.2 V

1. The product is factory calibrated at 1.8 V. The operational power supply range is from 1.62 V to 1.98 V.

2. Typical specifications are not guaranteed.

3. It is possible to remove Vdd maintaining Vdd_IO without blocking the communication busses. In this condition the

measurement chain is powered off.

4. 4 mA is the maximum driving capability, ie. the maximum DC current that can be sourced/sunk by the digital pad in order to

guarantee the correct digital output voltage levels VOH and VOL.

Table 5. Temperature sensor characteristics

Symbol

Parameter

Min.

Typ.(1)

Max.

Unit

Top

Operating temperature range

-40

+85

°C

Toff

Temperature offset(2)

-15

+15

°C

TSDr

Temperature sensor output change

vs. temperature

LSB/°C(3)

TODR

Temperature refresh rate

12.5

1. Typical specifications are not guaranteed.

2. The output of the temperature sensor is 0 LSB (typ.) at 25 °C.

3. 8-bit resolution.

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