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LM20 Datasheet PDF - National ->Texas Instruments

Part NumberLM20 National-Semiconductor
National ->Texas Instruments National-Semiconductor
Description2.4V, 10µA, SC70, micro SMD Temperature Sensor
LM20 Datasheet PDF : LM20 pdf   
LM20BIM7X image

General Description
The LM20 is a precision analog output CMOS integrated circuit temperature sensor that operates over a −55˚C to +130˚C temperature range. The power supply operating range is +2.4 V to +5.5 V. The transfer function of LM20 is predominately linear, yet has a slight predictable parabolic curvature. The accuracy of the LM20 when specified to a parabolic transfer function is ±1.5˚C at an ambient temperature of +30˚C. The temperature error increases linearly and reaches a maximum of ±2.5˚C at the temperature range extremes. The temperature range is affected by the power supply voltage. At a power supply voltage of 2.7 V to 5.5 V the temperature range extremes are +130˚C and −55˚C. Decreasing the power supply voltage to 2.4 V changes the negative extreme to −30˚C, while the positive remains at +130˚C.
The LM20’s quiescent current is less than 10 µA. Therefore, self-heating is less than 0.02˚C in still air. Shutdown capability for the LM20 is intrinsic because its inherent low power consumption allows it to be powered directly from the output of many logic gates or does not necessitate shutdown at all.

■ Rated for full −55˚C to +130˚C range
■ Available in an SC70 and 2 micro SMD packages
■ Predictable curvature error
■ Suitable for remote applications

■ Cellular Phones
■ Computers
■ Power Supply Modules
■ Battery Management
■ FAX Machines
■ Printers
■ Disk Drives
■ Appliances

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