MPX5700AP datasheet(2/10 Pages) FREESCALE

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MPX5700

Sensors

Freescale Semiconductor

Pressure

Operating Characteristics

Table 1. Operating Characteristics (VS = 5.0 Vdc, TA = 25°C unless otherwise noted, P1 > P2. Decoupling circuit shown in

required to meet electrical specifications.)

Characteristic

Symbol

Min

Typ

Max

Unit

Pressure Range(1)

Gauge, Differential: MPX5700D

Absolute: MPX5700A

1. 1.0 kPa (kiloPascal) equals 0.145 psi.

POP

—

700

kPa

Supply Voltage(2)

2. Device is ratiometric within this specified excitation range.

4.75

5.0

5.25

Vdc

Supply Current

—7.0

mAdc

Zero Pressure Offset(3)

Gauge, Differential (0 to 85

°C)

Absolute (0 to 85

°C)

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

Voff

0.088

0.184

0.2

—

0.313

0.409

Vdc

Full Scale Output(4)

(0 to 85

°C)

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

VFSO

4.587

4.7

4.813

Vdc

Full Scale Span(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

—4.5

—

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 VFSS, at 25°C.

——

—

±2.5

%VFSS

Sensitivity

V/P

—

6.4

—

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.

—1.0

—

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 device to meet the specified output voltage after the pressure has been stabilized.

——

—

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