Datasheet

Tire Pressure Monitoring Sensor SP30

TS

Rev.

Page

of

1085

5

6

14

2.1.2

Acceleration measurement

The presented performance reflects the use of 12-bit measurement of acceleration signal and 10-bit measurement for

temperature.

Table 5 Acceleration measurement specifications

SPECIFICATION

AMBIENT CONDITIONS

PARAMETER

Min

Typ

Max

Unit

Temp [°C]

VDD [V]

COMMENTS

Input range

-12

115

g

-40 to 90

2.1 to 3.6

Sensitivity accuracy

-18.75

18.75

%

-40 to 90

2.1 to 3.6

-6

6

g

-20 to 70

2.1 to 3.6

Offset accuracy

-8.5

8.5

g

-40 to 90

2.1 to 3.6

2.1.3

Temperature measurement

The presented performance reflects the use of 10-bit measurement of temperature.

Table 6 Temperature measurement specifications

SPECIFICATION

AMBIENT CONDITIONS

PARAMETER

Min

Typ

Max

Unit

Temp [°C]

VDD [V]

COMMENTS

-3

3

°C

-20 to 70

2.1 to 3.6

-5

5

°C

-40 to 90

2.1 to 3.6

Measurement error

-3

7

°C

90 to 125

2.1 to 3.6

2.1.4

Supply voltage measurement

The presented performance reflects the use of 9-bit measurement of supply voltage.

Table 7 Supply voltage measurement specifications

SPECIFICATION

AMBIENT CONDITIONS

PARAMETER

Min

Typ

Max

Unit

TEMP [°C]

VDD [V]

COMMENTS

Measurement error

-100

+100

mV

-40 to 125