LM45B National Semiconductor, LM45B Datasheet - Page 3

• Manufacturer Part Number: LM45B
• Description: SOT-23 Precision Centigrade Temperature Sensors
• Manufacturer: National Semiconductor

Typical Performance Characteristics
To generate these curves the LM45 was mounted to a printed circuit board as shown in Figure 3
Thermal Resistance
Junction to Air
Thermal Response
in Stirred Oil Bath
with Heat Sink
Quiescent Current
vs Temperature
(In Circuit of Figure 2 )
Supply Voltage
vs Supply Current
Thermal Time Constant
Start-Up Voltage
vs Temperature
Accuracy vs Temperature
(Guaranteed)
Start-Up Response
3
TL H 11754– 5
FIGURE 3 Printed Circuit Board Used
for Heat Sink to Generate All Curves
Square Printed Circuit Board
with 2 oz Foil or Similar
Thermal Response in Still Air
with Heat Sink ( Figure 3 )
Quiescent Current
vs Temperature
(In Circuit of Figure 1 )
Noise Voltage
TL H 11754– 23