LSM303AGR datasheet(15/68 Pages) STMICROELECTRONICS

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LSM303AGR

Module specifications

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.(b)

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

Table 4. Temperature sensor characteristics

Symbol

Parameter

Test conditions

Min.

Typ.(1)

Max.

Unit

TSDr

Temperature sensor output change vs. temp.

digit/°C(2)

TODR

Temperature refresh rate

ODR(3)

Top

Operating temperature range

-40

+85

°C

1. Typical specifications are not guaranteed.

2. 8-bit resolution.

3. Refer to Table 34.

Table 5. Electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.(1)

Max.

Unit

Vdd

Supply voltage

1.71

3.6

Vdd_IO

Module power supply for I/O(2)

1.71

1.8

Vdd+0.1

LA_Idd_NM

Accelerometer current consumption

Magnetic sensor in power-down

mode.

50 Hz ODR in

normal mode

μA

1 Hz ODR in

normal mode

50 Hz ODR in

low-power mode

M_Idd_HR

Magnetic current consumption in

high-resolution mode

Accelerometer in power-down mode.

ODR = 20 Hz

200

μA

M_Idd_LP

Magnetic current consumption in

low-power mode

Accelerometer in power-down mode.

ODR = 20 Hz

μA

Idd_PD

Current consumption in power-down

1.5

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

IOH = 4 mA

Vdd_IO - 0.2

VOL

Low-level output voltage

IOL = 4 mA

0.2

TOP

Operating temperature range

-40

+85

°C

1. Typical specifications are not guaranteed.

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

measurement chain is powered off.

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