MPXV6115V

Sensors

6

Freescale Semiconductor, Inc.

Figure 5. Output vs. Absolute Pressure

Figure 6. Transfer function

Figure 7. Temperature error band

Figure 8. Pressure error band

Transfer Function:

VOUT = VS*[(0.007652*P) + 0.92] ± (Pressure error)

VOUT vs. Vacuum

5

4.5

4

3.5

3

2.5

2

1.5

1

0.5

0

*Temp Factor*0.007652*VS)

VS = 5.0 V ± 0.25 VDC

TEMP = 0

°-85° C

–115

–95

–75

–55

–35

-15

0

Min

Max

Nominal Transfer Value:

VOUT = VS x (0.007652 x P + 0.92)

± (Pressure Error x Temp. Factor x 0.007652 x VS)

VS = 5.0 ± 0.25 VDC

Temperature in °C

4.0

3.0

2.0

0.0

1.0

-40

-20

0

20

40

60

130

120

100

80

–40

3

0 to 85

1

125

2

NOTE: The temperature multiplier is a linear response from 0 to –40 °C and from 85 to 125 °C.

140

Temp.

Multiplier

Pressure in kPa

(below atmospheric)

1.950

1.725

1.500

-1.500

-1.725

-1.950

0

-115

-100

-85

-45

-30

-15

0

Pressure

Error (max)

Error Limits for Pressure

± 1.725 kPa

-115 to 0 kPa

-1.500