±2°C analog output temperature sensor, with 15.6mV/°C gain

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Product details

Parameters

Local sensor accuracy (Max) (+/- C) 2 Operating temperature range (C) 0 to 90 Supply voltage (Min) (V) 2.7 Supply voltage (Max) (V) 10 Supply current (Max) (uA) 130 Interface type Analog output Sensor gain (mV/Deg C) 15.6 Rating Catalog open-in-new Find other Analog temperature sensors

Package | Pins | Size

SOT-23 (DBZ) 3 7 mm² 2.92 x 2.37 open-in-new Find other Analog temperature sensors

Features

  • Calibrated Linear Scale Factor of +15.6 mV/°C
  • Rated for Full 0°C to +90°C Range with 3.0V Supply
  • Suitable for Remote Applications

Key Specifications

  • Accuracy at 25°C ±2.0 or ±3.0°C (max)
  • Temperature Slope +15.6 mV/°C
  • Power Supply Voltage Range +2.7V to +10V
  • Current Drain @ 25°C 130 μA (max)
  • Nonlinearity ±0.8°C (max)
  • Output Impedance 4.7 kΩ (max)

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Description

The LM62 is a precision integrated-circuit temperature sensor that can sense a 0°C to +90°C temperature range while operating from a single +3.0V supply. The LM62's output voltage is linearly proportional to Celsius (Centigrade) temperature (+15.6 mV/°C) and has a DC offset of +480 mV. The offset allows reading temperatures down to 0°C without the need for a negative supply. The nominal output voltage of the LM62 ranges from +480 mV to +1884 mV for a 0°C to +90°C temperature range. The LM62 is calibrated to provide accuracies of ±2.0°C at room temperature and +2.5°C/−2.0°C over the full 0°C to +90°C temperature range.

The LM62's linear output, +480 mV offset, and factory calibration simplify external circuitry required in a single supply environment where reading temperatures down to 0°C is required. Because the LM62's quiescent current is less than 130 μA, self-heating is limited to a very low 0.2°C in still air. Shutdown capability for the LM62 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 LM6 2 2.7V, 15.6 mV/C SOT-23 Temperature Sensor datasheet (Rev. E) Mar. 22, 2013
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
Technical articles How sensor technology is evolving to meet cold chain needs Jun. 18, 2018
Application notes Tiny Temperature Sensors for Remote Systems Feb. 17, 2003

Design & development

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Reference designs

REFERENCE DESIGNS Download
Low-Power, Low-Noise Analog Front End Design for Circuit Breakers (ACB/MCCB-ETU)
TIDA-00128 This reference design is intended for use in molded case circuit breakers (MCCB) electronic trip units.  The op amp based design acts as current monitoring for over-current earth fault relays. Utilizing a low cost op amp, this design provides a pick-up (A) accuracy ±10 % and time delay (...)
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REFERENCE DESIGNS Download
Zero drift PGA based Analog Front End Design for Circuit Breakers (ACB/MCCB-ETU)
TIDA-00130 This reference design is intended for use in molded case circuit breakers (MCCB) electronic trip units.  The programmable gain amplifier based design acts as the current monitoring for over-current earth fault relays. Utilizing a zero drift programmable amplifier, this design provides a (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Analog Front End for Motor Electronic Overload Relays with Enhanced Current Range
TIDA-00191 This reference design is the analog front end (AFE) for an electronic overload relay, used for monitoring and protecting motors from overcurrent or undercurrent events. It is an ideal tool for developers creating overload relays for sensitive AC motors in industrial applications. This programmable (...)
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