±3°C analog output temperature sensor with 10mV/°C gain & TO-92 option

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Product details

Parameters

Local sensor accuracy (Max) (+/- C) 2 Operating temperature range (C) -25 to 85, -30 to 100 Supply voltage (Min) (V) 2.7 Supply voltage (Max) (V) 10 Supply current (Max) (uA) 125 Interface type Analog output Sensor gain (mV/Deg C) 10 Rating Catalog Features UL recognized open-in-new Find other Analog temperature sensors

Package | Pins | Size

SOT-23 (DBZ) 3 7 mm² 2.92 x 2.37 TO-92 (LP) 3 19 mm² 5.2 x 3.68 open-in-new Find other Analog temperature sensors

Features

  • Calibrated Linear Scale Factor of 10 mV/°C
  • Rated for Full Temperature Range (–30° to 100°C)
  • Suitable for Remote Applications
  • UL Recognized Component
  • ±2°C or ±3°C Accuracy at 25°C (Maximum)
  • ±3°C Accuracy for –25°C to 85°C (Maximum)
  • ±4°C Accuracy for –30°C to 100°C (Maximum)
  • 10 mV/°C Temperature Slope (Maximum)
  • 2.7-V to 10-V Power Supply Voltage Range
  • 125-µA Current Drain at 25°C (Maximum)
  • ±0.8°C Nonlinearity (Maximum)
  • 800-Ω Output Impedance (Maximum)
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Description

The LM61 device is a precision, integrated-circuit temperature sensor that can sense a –30°C to 100°C temperature range while operating from a single 2.7-V supply. The output voltage of the LM61 is linearly proportional to temperature (10 mV/°C) and has a DC offset of 600 mV. The offset allows reading negative temperatures without the need for a negative supply. The nominal output voltage of the LM61 ranges from 300 mV to 1600 mV for a –30°C to 100°C temperature range. The LM61 is calibrated to provide accuracies of ±2°C at room temperature and ±3°C over the full –25°C to 85°C temperature range.

The linear output of the LM61, 600-mV offset, and factory calibration simplify external circuitry required in a single supply environment where reading negative temperatures is required. Because the quiescent current is less than 125 µA, self-heating is limited to a very low 0.2°C in still air. Shutdown capability for the LM61 is intrinsic because its inherent low power consumption allows it to be powered directly from the output of many logic gates.

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Technical documentation

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Type Title Date
* Datasheet LM61 2.7-V, SOT-23 or TO-92 Temperature Sensor datasheet (Rev. J) Nov. 30, 2016
Technical articles How to choose the right thermistor for your temperature sensing application Feb. 12, 2020
Technical articles How to enable thermal safety for automotive infotainment and cluster systems Oct. 15, 2019
Technical articles Driving industrial innovation with small-size sensors Sep. 12, 2019
More literature UL Report Vol1-Sec3 Description E232195 Aug. 09, 2018
Technical articles How sensor technology is evolving to meet cold chain needs Jun. 18, 2018
Application note Tiny Temperature Sensors for Remote Systems Feb. 17, 2003

Design & development

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CAD/CAE symbols

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SOT-23 (DBZ) 3 View options
TO-92 (LP) 3 View options

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