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MPX5700

Integrated Silicon Pressure Sensor On-Chip Signal Conditioned, Temperature Compensated and Calibrated

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.)

Pressure Range(1)

Supply Voltage(2)

Supply Current

Zero Pressure Offset(3)

Full Scale Output(4)

Full Scale Span(5)

Accuracy(6)

Characteristic

Symbol Min

Typ

Gauge, Differential: MPX5700D POP

0

—

Absolute: MPX5700A

15

—

VS

4.75

5.0

IO

—

7.0

Gauge, Differential (0 to 85C) Voff

0.088

0.2

Absolute (0 to 85C)

0.184

—

(0 to 85C) VFSO

4.587

4.7

(0 to 85C) VFSS

—

4.5

(0 to 85C)

—

—

—

Sensitivity

Response Time(7)

Output Source Current at Full Scale Output

Warm-Up Time(8)

V/P

—

6.4

tR

—

1.0

IO+

—

0.1

—

—

20

Max

700

700

5.25

10

0.313

0.409

4.813

—

2.5

—

—

—

—

Unit

kPa

Vdc

mAdc

Vdc

Vdc

Vdc

%VFSS

mV/kPa

ms

mAdc

ms

1. 1.0 kPa (kiloPascal) equals 0.145 psi.

2. Device is ratiometric within this specified excitation range.

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

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

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.

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.

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.

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.

MPX5700

2

Sensors

Freescale Semiconductor, Inc.

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