LIS2DS12 datasheet(12/68 Pages) STMICROELECTRONICS

12 / 68 page

Mechanical and electrical specifications

LIS2DS12

12/68

DocID027753 Rev 4

Mechanical and electrical specifications

2.1

Mechanical characteristics

Table 3. Mechanical characteristics @ Vdd = 1.8 V, T = 25 °C unless otherwise noted (1)

Symbol

Parameter

Test conditions

Min.

Typ.(2)

Max.

Unit

Measurement range

±2

±4

±8

±16

Sensitivity 16-bit(3)

@ FS ±2 g

0.061

mg/digit

@ FS ±4 g

0.122

@ FS ±8 g

0.244

@ FS ±16 g

0.488

Noise density - high-performance mode

(HR or HF mode)(4)

@ FS ±2 g

120

μg/√Hz

@ FS ±4 g

150

@ FS ±8 g

200

@ FS ±16 g

300

RMS

RMS noise - low-power mode(5)

@ FS ±2 g

6.3

mg(RMS)

@ FS ±4 g

8.2

@ FS ±8 g

@ FS ±16 g

Off, board Zero-g offset on soldered board(6)

±30

TCO

Zero-g offset change vs. temperature

±0.2

mg/°C

TCS

Sensitivity change vs. temperature

0.01

%/°C

Self-test positive difference(7)

1500

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. Sensitivity calculated at 16-bit.

4. Noise density is the same for all ODR.

5. RMS noise is the same for all ODR.

6. Offset can be eliminated by enabling the slope filter.

7. “Self-test positive difference” is defined as: OUTPUT[mg](CTRL3 ST2, ST1 bits=01) - OUTPUT[mg](CTRL3 ST2, ST1 bits=00) in steady

state.

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