LIS2DH12 datasheet(11/53 Pages) STMICROELECTRONICS

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LIS2DH12

Mechanical and electrical specifications

2.2

Temperature sensor characteristics

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

TCOff

Zero-g level change

vs. temperature

Max delta from 25 °C

±0.5

mg/°C

Acceleration noise

density

FS bit set to 00, High-Resolution

mode (Table 10), ODR > 1300 Hz

220

μg/√Hz

Vst

Self-test

output change(4) (5) (6)

FS bit set to 00

X-axis; Normal mode

360

LSb

FS bit set to 00

Y-axis; Normal mode

360

LSb

FS bit set to 00

Z-axis; Normal mode

360

LSb

Top

Operating

temperature range

-40

+85

°C

1. Typical specifications are not guaranteed.

2. Verified by wafer level test and measurement of initial offset and sensitivity.

3. Typical zero-g level offset value after factory calibration test at socket level.

4. The sign of “Self-test output change” is defined by the ST bits in CTRL_REG4 (23h), for all axes.

5. “Self-test output change” is defined as the absolute value of:

OUTPUT[LSb](Self test enabled) - OUTPUT[LSb](Self test disabled). 1LSb = 4 mg at 10-bit representation, ±2 g full scale

6. After enabling the self-test, correct data is obtained after two samples (low-power mode / normal mode) or after eight

samples (high-resolution mode).

Table 4. Mechanical characteristics (continued)

Symbol

Parameter

Test conditions

Min.

Typ.(1)

Max.

Unit

b. The product is factory calibrated at 2.5 V. Temperature sensor operation is guaranteed in the range 2 V - 3.6 V.

Table 5. Temperature sensor characteristics

Symbol

Parameter

Min.

Typ.(1)

Max.

Unit

TSDr

Temperature sensor output change vs. temperature

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 31.

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