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LM335
  • LM335
  • LM335
  • LM335
  • LM335
  • LM335
  • LM335

LM335

ACTIVE

2C analog temperature sensor, 10 mV/K in hermetic package

Texas Instruments LM335 Product Info

1 April 2026 3

Parameters

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

Package

SOIC (D)-8-29.4 mm² 4.9 x 6

Features

  • Directly Calibrated to the Kelvin Temperature
    Scale
  • 1°C Initial Accuracy Available
  • Operates from 400 µA to 5 mA
  • Less than 1-Ω Dynamic Impedance
  • Easily Calibrated
  • Wide Operating Temperature Range
  • 200°C Overrange
  • Low Cost
  • Directly Calibrated to the Kelvin Temperature
    Scale
  • 1°C Initial Accuracy Available
  • Operates from 400 µA to 5 mA
  • Less than 1-Ω Dynamic Impedance
  • Easily Calibrated
  • Wide Operating Temperature Range
  • 200°C Overrange
  • Low Cost

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 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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