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LM62

Texas Instruments
Part Number LM62
Manufacturer Texas Instruments
Description SOT-23 Temperature Sensor
Published Nov 7, 2021
Detailed Description LM62 www.ti.com SNIS105E – JUNE 1999 – REVISED MARCH 2013 LM62 2.7V, 15.6 mV/°C SOT-23 Temperature Sensor Check for S...
Datasheet PDF File LM62 PDF File

LM62
LM62

Overview
LM62 www.
ti.
com SNIS105E – JUNE 1999 – REVISED MARCH 2013 LM62 2.
7V, 15.
6 mV/°C SOT-23 Temperature Sensor Check for Samples: LM62 FEATURES 1 •2 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 APPLICATIONS • Cellular Phones • Computers • Power Supply Modules • Battery Management • FAX Machines • Printers • HVAC • Disk Drives • Appliances 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) 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, selfheating 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.
Connection Diagram Typical Application See Package Number DBZ VO = (+15.
6 mV/°C × T°C) + 480 mV Figure 1.
Full-Range Centigrade Temp.
Sensor (0°C to +90°C) Stabilizing a Crystal Oscillator Temperature (T) +90°C +70°C +25°C 0°C Typical V...


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