Maker : National Semiconductor
Part No. : LM335AZ

  Datasheet PDF : LM335AZ.pdf
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Shortcut : LM335A  LM335A  LM335A  LM335AH  LM335AZ 

Product Information

LM135/LM235/LM335, LM135A/LM235A/LM335A Precision Temperature Sensors May 1999 LM135/LM235/LM335, LM135A/LM235A/LM335A Precision Temperature Sensors General Description The LM135 series are precision, easily-calibrated, integrated circuit temperature sensors. Operating as a 2-terminal zener, the LM135 has a breakdown voltage directly proportional to absolute temperature at +10 mV/˚K. With less than 1Ω dynamic impedance the device operates over a current range of 400 µA to 5 mA with virtually no change in performance. When calibrated at 25˚C the LM135 has typically less than 1˚C error over a 100˚C temperature range. Unlike other sensors the LM135 has a linear output. Applications for the LM135 include almost any type of temperature sensing over a −55˚C to +150˚C temperature range. The low impedance and linear output make interfacing to readout or control circuitry especially easy. The LM135 operates over a −55˚C to +150˚C temperature range while the LM235 operates over a −40˚C to +125˚C temperature range. The LM335 operates from −40˚C to +100˚C. The LM135/LM235/LM335 are available packaged in hermetic TO-46 transistor packages while the LM335 is also available in plastic TO-92 packages. Features n n n n n n n n Directly calibrated in ˚Kelvin 1˚C initial accuracy available Operates from 400 µA to 5 mA Less than 1Ω dynamic impedance Easily calibrated Wide operating temperature range 200˚C overrange Low cost Schematic Diagram DS005698-1 © 1999 National Semiconductor Corporation DS005698 www.national.com Connection Diagrams TO-92 Plastic Package SO-8 Surface Mount Package TO-46 Metal Can Package* DS005698-8 Bottom View Order Number LM335Z or LM335AZ See NS Package Number Z03A DS005698-26 DS005698-25 *Case is connected to negative pin Order Number LM335M See NS Package Number M08A Bottom View Order Number LM135H, LM135H-MIL, LM235H, LM335H, LM135AH, LM235AH or LM335AH See NS Package Number H03H www.national.com 2 Absolute Maximum Ratings (Note 4) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Reverse Current Forward Current Storage Temperature TO-46 Package TO-92 Package SO-8 Package 15 mA 10 mA −60˚C to +180˚C −60˚C to +150˚C −65˚C to +150˚C Specified Operating Temp. Range Continuous LM135, LM135A −55˚C to +150˚C LM235, LM235A −40˚C to +125˚C LM335, LM335A −40˚C to +100˚C Lead Temp. (Soldering, 10 seconds) TO-92 Package: TO-46 Package: SO-8 Package: Vapor Phase (60 seconds): Infrared (15 seconds): Intermittent (Note 2) 150˚C to 200˚C 125˚C to 150˚C 100˚C to 125˚C 260˚C 300˚C 300˚C 215˚C 220˚C Temperature Accuracy (Note 1) LM135/LM235, LM135A/LM235A Parameter Operating Output Voltage Uncalibrated Temperature Error Uncalibrated Temperature Error Temperature Error with 25˚C Calibration Calibrated Error at Extended Temperatures Non-Linearity IR = 1 mA 0.3 0.5 0.3 1 ˚C TC = TMAX (Intermittent) 2 2 ˚C Conditions TC = 25˚C, IR = 1 mA TC = 25˚C, IR = 1 mA TMIN ≤ TC ≤ TMAX, IR = 1 mA TMIN ≤ TC ≤ TMAX, IR = 1 mA LM135A/LM235A Min 2.97 Typ 2.98 0.5 1.3 0.3 Max 2.99 1 2.7 1 LM135/LM235 Min 2.95 Typ 2.98 1 2 0.5 Max 3.01 3 5 1.5 V ˚C ˚C ˚C Units Temperature Accuracy (Note 1) LM335, LM335A Parameter Operating Output Voltage Uncalibrated Temperature Error Uncalibrated Temperature Error Temperature Error with 25˚C Calibration Calibrated Error at Extended Temperatures Non-Linearity IR = 1 mA 0.3 1.5 0.3 1.5 ˚C TC = TMAX (Intermittent) 2 2 ˚C Conditions Min TC = 25˚C, IR = 1 mA TC = 25˚C, IR = 1 mA TMIN ≤ TC ≤ TMAX, IR = 1 mA TMIN ≤ TC ≤ TMAX, IR = 1 mA 2.95 LM335A Typ 2.98 1 2 0.5 Max 3.01 3 5 1 Min 2.92 LM335 Typ 2.98 2 4 1 Max 3.04 6 9 2 V ˚C ˚C ˚C Units Electrical Characteristics (Note 1) LM135/LM235 Parameter Operating Output Voltage Change with Current Dynamic Impedance Output Voltage Temperature Coefficient Time Co...

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