MPX4101A datasheet(3/12 Pages) FREESCALE

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MPX4101A

Sensors

Freescale Semiconductor

Table 2. Operating Characteristics (VS = 5.1 Vdc, TA = 25°C unless otherwise noted, P1 > P2.

Decoupling circuit shown in Figure 3 required to meet electrical specifications.)

Characteristic

Symbol

Min

Typ

Max

Unit

Pressure Range(1)

1. 1.0 kPa (kiloPascal) equals 0.145 psi.

POP

—

102

kPa

Supply Voltage(2)

2. Device is ratiometric within this specified excitation range.

4.85

5.1

5.35

Vdc

Supply Current

—

7.0

mAdc

Minimum Pressure Offset @ VS = 5.1 Volts(3)

(0 to 85°C)

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

Voff

0.171

0.252

0.333

Vdc

Full Scale Output @ VS = 5.1 Volts(4)

(0 to 85°C)

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

VFSO

4.870

4.951

5.032

Vdc

Full Scale Span @ VS = 5.1 Volts(5)

(0 to 85°C)

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

—4.7

—

Vdc

Accuracy(6)

(0 to 85°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 0 to 85°C, relative to 25°C.

• TcOffset:

Output deviation with minimum rated pressure applied, over the temperature range of 0 to 85°C, relative to 25°C.

• Variation from Nominal: The variation from nominal values, for Offset or Full Scale Span, as a percent of V

FSS, at 25°C.

———

±1.72

%VFSS

Sensitivity

V/P

—

—-

mV/kPa

Response Time(7)

7. 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.

—15

—-

Output Source Current at Full Scale Output

Io+

—0.1

—-

mAdc

Warm-Up Time(8)

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

——

—-

Offset Stability(9)

9. Offset Stability is the product's output deviation when subjected to 1000 hours of Pulsed Pressure, Temperature Cycling with Bias Test.

——

±0.5

—-

%VFSS

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