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TMP442 数据表(PDF) 7 Page - Texas Instruments

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部件名 TMP442
功能描述  짹1째C TEMPERATURE SENSOR with Automatic Beta Compensation,Series-R, and h-Factor in a SOT23-8
PDF  29 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

TMP442 数据表(HTML) 7 Page - Texas Instruments

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2.5
2.0
1.5
1.0
0.5
0
0.5
1.0
1.5
2.0
2.5
-
-
-
-
-
0
100
200
300
400
500
R ( )
W
S
3
2
1
0
1
2
3
-
-
-
0
100
200
300
400
500
600
700
800
900
1k
R ( )
W
S
Diode-ConnectedTransistor,2N3906(PNP)
(2)
GNDCollector-ConnectedTransistor,2N3906(PNP)
(1)(2)
NOTES(1):Temperatureoffsetistheresultof
-factorbeingautomaticallysetto1.000.
Approximate -factorof2N3906is1.008.
h
h
SeeFigure10forschematicconfiguration.
(2)
3.0
2.5
2.0
1.5
1.0
0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
-
-
-
-
-
-
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Capacitance(nF)
Low-BetaTransistor(Disabled)
Low-BetaTransistor
(Auto)
GNDCollector-ConnectedTransistor(Disabled)
GNDCollector-ConnectedTransistor(Auto)
Diode-ConnectedTransistor(Auto,Disabled)
NOTE:SeeFigure11forschematicconfiguration.
(b) Diode-ConnectedTransistor
(a) GNDCollector-ConnectedTransistor
DXP
DXN
C
DIFF
(1)
DXP
DXN
C
DIFF
(1)
(b) Diode-ConnectedTransistor
(a) GNDCollector-ConnectedTransistor
DXP
DXN
R
S
(1)
R
S
(1)
DXP
DXN
R
S
(1)
R
S
(1)
TMP441
TMP442
www.ti.com .............................................................................................................................................. SBOS425A – DECEMBER 2008 – REVISED MARCH 2009
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C and VS = +3.3V, unless otherwise noted.
REMOTE TEMPERATURE ERROR vs SERIES RESISTANCE
REMOTE TEMPERATURE ERROR vs SERIES RESISTANCE
(Low-Beta Transistor)
Figure 7.
Figure 8.
REMOTE TEMPERATURE ERROR
vs DIFFERENTIAL CAPACITANCE
Figure 9.
SERIES RESISTANCE CONFIGURATION
DIFFERENTIAL CAPACITANCE CONFIGURATION
(1)
RS should be less than 1kΩ; see Filtering
(1)
CDIFF should be less than 300pF; see Filtering
section.
section.
Figure 10.
Figure 11.
Copyright © 2008–2009, Texas Instruments Incorporated
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Product Folder Link(s): TMP441 TMP442



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