Features: ·Directly calibrated in °Kelvin·1°C initial accuracy available·Operates from 400 µA to 5 mA·Less than 1W dynamic impedance·Easily calibrated·Wide operating temperature range·200°C overrange·Low costSpecifications Temperature Accuracy (+/-) 3 deg C Supply Min 5 Volt Qui...
LM335A: Features: ·Directly calibrated in °Kelvin·1°C initial accuracy available·Operates from 400 µA to 5 mA·Less than 1W dynamic impedance·Easily calibrated·Wide operating temperature range·200°C ov...
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Temperature Accuracy (+/-) | 3 deg C |
Supply Min | 5 Volt |
Quiescent Current_ | 1000 uA |
Temperature Min | -40 deg C |
Temperature Max | 100 deg C |
Sensor Gain | 10 mV/Deg K |
Single Supply | Yes |
Output Impedance | 0.6 Ohm |
Quiescent Current | 1 mA |
AEC Q-100 Automotive Grade | 0 |
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The LM335A 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 1 dynamic impedance the device operates over a current range of 400 A 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 theLM335A 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 LM335A 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.
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