MPXV7002GP datasheet(2/10 Pages) FREESCALE

2 / 10 page

MPXV7002

Sensors

Freescale Semiconductor

Figure 1. Fully Integrated Pressure Sensor Schematic

Table 1. Maximum Ratings(1)

1. Exposure beyond the specified limits may cause permanent damage or degradation to the device.

Rating

Symbol

Value

Unit

Maximum Pressure (P1 > P2)

Pmax

8.0

kPa

Storage Temperature

Tstg

–30 to +100

°C

Operating Temperature

10 to +60

°C

Table 2. Operating Characteristics (VS = 5.0 Vdc, TA = 25°C unless otherwise noted. Decoupling circuit shown in Figure 3

required to meet specification.)

Characteristic

Symbol

Min

Typ

Max

Unit

Pressure Range(1)

1. 1.0 kPa (kiloPascal) equals 0.145 psi.

POP

–2.0

—

2.0

kPa

Supply Voltage(2)

2. Device is ratiometric within this specified excitation range.

4.75

5.0

5.25

Vdc

Supply Current

—

mAdc

Pressure Offset(3)

(10 to 60

°C)

@ VS = 5.0 Volts

3. Offset (Voff) is defined as the output voltage at the minimum rated pressure.

Voff

2.25

2.5

2.75

Vdc

Full Scale Output(4)

(10 to 60

°C)

@ VS = 5.0 Volts

4. Full Scale Output (VFSO) is defined as the output voltage at the maximum or full rated pressure.

VFSO

4.25

4.5

4.75

Vdc

Full Scale Span(5)

(10 to 60

°C)

@ VS = 5.0 Volts

5. Full Scale Span (VFSS) is defined as the algebraic difference between the output voltage at full rated pressure and the output voltage at the

minimum rated pressure.

VFSS

3.5

4.0

4.5 V

Vdc

Accuracy(6)

(10 to 60

°C)

6. Accuracy (error budget) consists of the following:

• Linearity:

Output deviation from a straight line relationship with pressure over the specified pressure range.

• Temperature Hysteresis: Output deviation at any temperature within the operating temperature range, after the temperature is cycled to

and from the minimum or maximum operating temperature points, with zero differential pressure applied.

• Pressure Hysteresis:

Output deviation at any pressure within the specified range, when this pressure is cycled to and from the

minimum or maximum rated pressure, at 25

°C.

• TcSpan:

Output deviation over the temperature range of 10

° to 60°C, relative to 25°C.

• TcOffset:

Output deviation with minimum rated pressure applied, over the temperature range of 10

° to 60°C, relative to

°C.

• Variation from Nominal: The variation from nominal values, for Offset or Full Scale Span, as a percent of VFSS, at 25°C.

——

±2.5(7)

7. Auto Zero at Factory Installation: Due to the sensitivity of the MPXV7002 Series, external mechanical stresses and mounting position can

affect the zero pressure output reading. Autozero is defined as storing the zero pressure output reading and subtracting this from the

device's output during normal operations. Reference AN1636 for specific information. The specified accuracy assumes a maximum

temperature change of ± 5

°C between autozero and measurement.

±6.25

%VFSS

Sensitivity

V/P

—

1.0

—-

V/kPa

Response Time(8)

8. Response Time is defined as the time for the incremental change in the output to go from 10% to 90% of its final value when subjected to

a specified step change in pressure.

—1.0

—-

Output Source Current at Full Scale Output

IO+

—0.1

—-

mAdc

Warm-Up Time(9)

9. Warm-up Time is defined as the time required for the product to meet the specified output voltage after the Pressure has been stabilized.

——

—-

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