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Part Number: LM45
Description: LM45 series are precision integrated-circuit temperature sensors, whose output voltage is linearly proportional to the ...
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LM45
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General Description
LM45 General Description
LM45 series are precision integrated-circuit temperature sensors, whose output voltage is linearly proportional to the Celsius (Centigrade) temperature. The LM45 does not require any external calibration or trimming to provide accuracies of ±2 at room temperature and ±3 over a full -20 to +100 temperature range. Low cost is assured by trimming and calibration at the wafer level. The LM45's low output impedance, linear output, and precise inherent calibration make interfacing to readout or control circuitry especially easy. It can be used with a single power supply, or with plus and minus supplies. As it draws only 120 µA from its supply, it has very low self-heating, less than 0.2 in still air. The LM45 is rated to operate over a -20°to +100 temperature rang
LM45 Maximum Ratings
Supply Voltage +12V to -0.2V
Output Voltage +VS + 0.6V to
-1.0V
Output Current 10 mA
Storage Temperature -65 to +150
Lead Temperature:
SOT Package (Note 2):
Vapor Phase (60 seconds) 215
Infrared (15 seconds) 220
ESD Susceptibility (Note 3):
Human Body Model 2000V
Machine Model 250V
Output Voltage +VS + 0.6V to
-1.0V
Output Current 10 mA
Storage Temperature -65 to +150
Lead Temperature:
SOT Package (Note 2):
Vapor Phase (60 seconds) 215
Infrared (15 seconds) 220
ESD Susceptibility (Note 3):
Human Body Model 2000V
Machine Model 250V
LM45 Features
`Calibrated directly in °Celsius(Centigrade)
`Linear + 10.0 mV/ scale factor
` ±3 accuracy guaranteed
`Rated for full −20° to +100 range
`Suitable for remote applications
`Low cost due to wafer-level trimming
`Operates from 4.0V to 10V
`Less than 120 µA current drain
`Low self-heating, 0.20 in still air
`Nonlinearity only ±0.8 max over temp
`Low impedance output, 20W for 1 mA load
`Linear + 10.0 mV/ scale factor
` ±3 accuracy guaranteed
`Rated for full −20° to +100 range
`Suitable for remote applications
`Low cost due to wafer-level trimming
`Operates from 4.0V to 10V
`Less than 120 µA current drain
`Low self-heating, 0.20 in still air
`Nonlinearity only ±0.8 max over temp
`Low impedance output, 20W for 1 mA load
LM45 Typical Application
·Battery Management
·FAX Machines
·Printers
·Portable Medical Instruments
·HVAC
·Power Supply Modules
·Disk Drives
·Computers
·Automotive
LM45 Connection Diagram
LM45
PDF/DataSheet Download
- Datasheet: LM45
- File Size: 1022287 KB
- Manufacturer: NATIONAL
- Click here to Download
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