Datasheet

3
2
1
0
-1
-2
-3
AmbientTemperature,T ( C)°
A
-50 -25 1251007550250
RemoteTemperatureError( C)°
V+=3.3V
T =+25 C
REMOTE
°
30TypicalUnitsShown
h =1.008
LocalTemperatureError( )°C
AmbientTemperature,T (
A
°C)
3
2
1
0
-1
-2
-3
-50 125-25 0 25 50 75 100
50UnitsShown
V+=3.3V
60
40
20
0
-20
-40
-60
LeakageResistance(M )W
0 5 10 15 20 25 30
RemoteTemperatureError( C)°
R GND-
R V+-
RemoteTemperatureError( )°C
R W( )
S
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
0 3500500 1000 1500 2000 2500 3000
V+=2.7V
V+=5.5V
TMP421
TMP422
TMP423
www.ti.com SBOS398C –JULY 2007–REVISED MAY 2012
TYPICAL CHARACTERISTICS
At T
A
= +25°C and V+ = +5.0V, unless otherwise noted.
REMOTE TEMPERATURE ERROR LOCAL TEMPERATURE ERROR
vs TEMPERATURE vs TEMPERATURE
Figure 1. Figure 2.
REMOTE TEMPERATURE ERROR
REMOTE TEMPERATURE ERROR vs SERIES RESISTANCE
vs LEAKAGE RESISTANCE (Diode-Connected Transistor, 2N3906 PNP)
Figure 3. Figure 4.
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