Transmissor Pressao.pdf


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Transfer Function Limits
Figure 1.Temperature Output Option Temperature Error1, 2
2.5

Error (°C)

1.5
0

-1.5
-2.5
-40

0

50

25

85

Temperature (°C)
Operating temperature range: The temperature range over which the sensor will produce an output proportional to pressure.

1

Compensated temperature range: The temperature range over which the sensor will produce an output proportional to pressure within the specified
performance limits.

2

Figure 2. Transfer Function Limits1
Analog Versions
Compensated Pressure Range

Output (%Vsupply)

100
90
80
70
60
50
40
30
20
10
0

Ideal
1.5% Total Error Band

0

Pmin.
Output (V) =

1

2

3

4

5

6

7

9

8

Pressure (example unit)

0.8 x Vsupply
Pmax. – Pmin.

10

Pmax.

x (Pressureapplied – Pmin.) + 0.10 x Vsupply

Output (% of 214 counts)

Digital Versions
Compensated Pressure Range

100
90
80
70
60
50

Ideal
1.5% Total Error Band

40
30
20
10
0

0

Pmin.

1

2

3

4

6

7

8

Pressure (example unit)

Output (% of 214 counts) =

1

5

9

10

Pmax.

80%
x (Pressureapplied – Pmin.) + 10%
Pmax. – Pmin.

Transfer Function “A” is shown. See Figure 3 for other available transfer function options.
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