AIS2DW12 datasheet(11/60 Pages) STMICROELECTRONICS

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AIS2DW12

Mechanical and electrical specifications

2.1

Mechanical characteristics

Table 4. Mechanical characteristics @ Vdd = 3.0 V, T = -40°C to +85°C unless otherwise noted (1)

Symbol

Parameter

Test conditions

Min.

Typ.(2)

Max.

Unit

Measurement range

±2

±4

Sensitivity (long term)(3)

@ FS ±2 g

For all power modes

except Mode 1

0.207

0.244

0.281

mg/digit

@ FS ±4 g

For all power modes

except Mode 1

0.415

0.488

0.561

@ FS ±2 g

in Power Mode 1

0.829

0.976

1.122

@ FS ±4 g

in Power Mode 1

1.659

1.952

2.245

RMS

RMS noise(4)

@ FS ±2 g

Power Mode 4

1.6

2.9

mg(RMS)

Power Mode 3

2.1

3.8

Power Mode 2

3.0

5.7

Power Mode 1

5.5

11.0

TyOff

Zero-g level offset accuracy(5)

±20

Zero-g level offset accuracy, long term(3)

-700

700

TCO

Zero-g offset change vs. temperature

±0.2

mg/°C

TCS

Sensitivity change vs. temperature

0.01

%/°C

Self-test positive difference

@ 25°C

1500

1. The product is factory calibrated at 3.0 V. The operational power supply range is from 1.62 V to 3.6 V.

2. Typical specifications are not guaranteed.

3. Long term includes the following contributions: post solder, drift in temperature in the range [-40 deg; +85 deg] and over

life.

4. RMS noise is the same for all ODRs, max values from design and characterization at ambient temperature

5. Values after factory calibration test and trimming.

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