LSM303CTR datasheet(12/53 Pages) STMICROELECTRONICS

12 / 53 page

Module specifications

LSM303C

12/53

DocID024975 Rev 2

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 1.9 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

TODR

Temperature refresh rate(2)

ODR

Top

Operating temperature range

-40

+85

°C

1. Typical specifications are not guaranteed.

2. If the TEMP_EN bit in CTRL_REG1_M (20h) is set to ’1’, temperature data is acquired at each conversion cycle. Refer to

Table 73: Output data rate configuration

Table 5. Electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.(1)

Max.

Unit

Vdd

Supply voltage

1.9

3.6

Vdd_IO

Module power supply for I/O

1.71

1.8

Vdd+0.1

LA_Idd_NM

Linear acceleration current

consumption in active mode.

Magnetic sensor in power-down

mode.

ODR = 100 - 800 Hz

180

μA

ODR = 50 Hz

120

ODR =10 Hz

M_Idd_HR

Magnetic current consumption in

ultra-high resolution mode

Linear acceleration in power-down

mode.

ODR = 20 Hz

270

μA

M_Idd_LP

Magnetic current consumption in

low-power mode

Linear acceleration in power-down

mode.

ODR = 20 Hz

μA

Idd_PD

Current consumption in power-down

μA

TOP

Operating temperature range

-40

+85

°C

Trise

Time for power supply rising(2)

0.01

100

Twait

Time delay between Vdd_IO and

Vdd(2)

010

1. Typical specifications are not guaranteed.

2. Please refer to Section 2.3.1: Recommended power-up sequence for more details.

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