LIS3DETR datasheet(11/46 Pages) STMICROELECTRONICS

Part #	LIS3DETR

Description	ultra-low-power high-performance 3-axis "nano" accelerometer

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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LIS3DE

Mechanical and electrical specifications

46

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).

b. 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

1

digit/°C(2)

TODR Temperature refresh rate

ODR

Hz

Top

Operating temperature range

-40

+85

°C

1. Typical specifications are not guaranteed. Temperature sensor operation is guaranteed in the range 2 V - 3.6 V.

2. 8-bit resolution.

c. 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

V

Vdd_IO I/O pins supply voltage(2)

1.71

Vdd+0.1

V

Idd

Current consumption in normal mode

50 Hz ODR

11

μA

Idd

Current consumption in normal mode

1 Hz ODR

2

μA

IddLP

Current consumption in low-power mode 50 Hz ODR

6

μA

IddPdn

Current consumption in power-down

mode

0.5

μA

VIH

Digital high-level input voltage

0.8*Vdd_IO

V

VIL

Digital low-level input voltage

0.2*Vdd_IO

V

VOH

High-level output voltage

0.9*Vdd_IO

V

VOL

Low-level output voltage

0.1*Vdd_IO

V

BW

System bandwidth(3)

ODR/2

Hz

Top

Operating temperature range

-40

+85

°C

1. Typical specifications are not guaranteed.

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

measurement chain is powered off.

3. Refer to Table 26 for the ODR value and configuration.

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