MPX2050 Просмотр технического описания (PDF) - Freescale Semiconductor

Номер в каталоге

Компоненты Описание

производитель

MPX2050

50 kPa On-Chip Temperature Compensated and Calibrated Silicon Pressure Sensors

Freescale Semiconductor 

Pressure

Maximum Ratings

Table 2. Maximum Ratings(1)

Rating

Symbol

Value

Maximum Pressure (P1 > P2)

Storage Temperature

Operating Temperature

Pmax

Tstg

TA

200

-40 to +125

-40 to +125

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

Unit

kPa

°C

°C

LINEARITY

Linearity refers to how well a transducer's output follows

the equation: Vout = Voff + sensitivity x P over the operating

pressure range. There are two basic methods for calculating

nonlinearity: (1) end point straight line fit (see Figure 2) or (2)

a least squares best line fit. While a least squares fit gives the

“best case” linearity error (lower numerical value), the

calculations required are burdensome.

Conversely, an end point fit will give the “worst case” error

(often more desirable in error budget calculations) and the

calculations are more straightforward for the user. Motorola's

specified pressure sensor linearities are based on the end

point straight line method measured at the midrange

pressure.

Least Squares Fit

Exaggerated

Performance

Curve

Least

Square

Deviation

Straight Line

Deviation

End Point

Straight Line Fit

Offset

0

50

100

Pressure (% Fullscale)

Figure 2. Linearity Specification Comparison

MPX2050

4

Sensors

Freescale Semiconductor

Share Link: