0
ACTIVE
Local sensor accuracy (max) |
3, 6 |
Rating |
Catalog |
Operating temperature range (°C) |
-40 to 100 |
Supply voltage (min) (V) |
3.01, 3.04 |
Supply voltage (max) (V) |
30 |
Supply current (max) (µA) |
400 |
Interface type |
Analog output |
Sensor gain (mV/°C) |
10 |
SOIC (D)-8-29.4 mm² 4.9 x 6
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 1-Ω 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 are 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 LMx35 devices are available packaged in hermetic TO transistor packages while the LM335 is also available in plastic
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