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LM50HV

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Sensor de temp. con salida analógica de 3 V a 36 V, ±2 °C, funciona a temp. máxima de 150 °C

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LM50HV

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Detalles del producto

Local sensor accuracy (max) 2 Rating Catalog Operating temperature range (°C) -40 to 150 Supply voltage (min) (V) 3 Supply voltage (max) (V) 36 Supply current (max) (µA) 130 Interface type Analog output Sensor gain (mV/°C) 10 Features Industry standard pinout, UL recognized
Local sensor accuracy (max) 2 Rating Catalog Operating temperature range (°C) -40 to 150 Supply voltage (min) (V) 3 Supply voltage (max) (V) 36 Supply current (max) (µA) 130 Interface type Analog output Sensor gain (mV/°C) 10 Features Industry standard pinout, UL recognized
SOT-23 (DBZ) 3 6.9204 mm² 2.92 x 2.37
  • Industry-Standard Sensor Gain/Offset:
    • 10mV/°C, 500mV at 0°C
  • LM50HV (Next-generation):
    • Drop-in replacement for LM50B/LM50C
    • Wide supply range: 3V to 36V
    • Temperature Accuracy:
      • ±2°C (Max) over 20°C to 70°C
      • ±2.5°C (Max) over -10°C to 125°C
      • ±3°C (Max) over -20°C to 150°C
    • Quiescent Current (Typ): 52µA
    • Nonlinearity: ±1.2°C (Max)
  • LM50:
    • Operating supply range: 4.5V to 10V
    • LM50B Temperature Accuracy:
      • ±2°C (Max) at 25°C
      • ±3°C (Max) over temperature range
    • LM50C Temperature Accuracy:
      • ±3°C (Max) at 25°C
      • ±4°C (Max) over temperature range
    • Quiescent Current (Typ): 95µA
    • Nonlinearity: ±0.8°C (Max)
  • Available in Standard SOT23-3 package
  • DC Output Impedance: 2kΩ/4kΩ (Typ/Max)
    • Enables driving large capacitive loads
  • Designed for LDO-less applications
  • UL Recognized Component (LM50B, LM50C)
  • Industry-Standard Sensor Gain/Offset:
    • 10mV/°C, 500mV at 0°C
  • LM50HV (Next-generation):
    • Drop-in replacement for LM50B/LM50C
    • Wide supply range: 3V to 36V
    • Temperature Accuracy:
      • ±2°C (Max) over 20°C to 70°C
      • ±2.5°C (Max) over -10°C to 125°C
      • ±3°C (Max) over -20°C to 150°C
    • Quiescent Current (Typ): 52µA
    • Nonlinearity: ±1.2°C (Max)
  • LM50:
    • Operating supply range: 4.5V to 10V
    • LM50B Temperature Accuracy:
      • ±2°C (Max) at 25°C
      • ±3°C (Max) over temperature range
    • LM50C Temperature Accuracy:
      • ±3°C (Max) at 25°C
      • ±4°C (Max) over temperature range
    • Quiescent Current (Typ): 95µA
    • Nonlinearity: ±0.8°C (Max)
  • Available in Standard SOT23-3 package
  • DC Output Impedance: 2kΩ/4kΩ (Typ/Max)
    • Enables driving large capacitive loads
  • Designed for LDO-less applications
  • UL Recognized Component (LM50B, LM50C)

The LM50 and LM50HV devices are precision analog temperature sensors that can measure temperatures from -40°C to 125°C (for LM50) and -40°C to 150°C (for LM50HV) using a single positive supply. Unlike NTC thermistors, LM50 and LM50HV do not require any external calibration, trimming or software linearization leading to simplifying the circuitry requirements. The output voltage of the devices are linearly proportional to temperature (10mV/°C) and has a DC offset of 500mV at 0°C. The offset allows reading negative temperatures without the need for a negative supply. The output voltage of the LM50 and LM50HV ranges from 100mV (at -40°C) to 1.75V (at 125°C for LM50) and 2V (at 150°C for LM50HV), simplifying analog-to-digital converter (ADC) interfacing.

LM50HV is designed for LDO-less application due to stable functionality across wide supply range of 3V to 36V. Trimming and calibration of the LM50 and LM50HV at the wafer level provide long-term availability, low cost and consistent accuracy: LM50B (±3°C over temperature range), LM50C (±4°C over temperature range) and LM50HV (±3°C over -20°C to 150°C).

The LM50 and LM50HV devices are precision analog temperature sensors that can measure temperatures from -40°C to 125°C (for LM50) and -40°C to 150°C (for LM50HV) using a single positive supply. Unlike NTC thermistors, LM50 and LM50HV do not require any external calibration, trimming or software linearization leading to simplifying the circuitry requirements. The output voltage of the devices are linearly proportional to temperature (10mV/°C) and has a DC offset of 500mV at 0°C. The offset allows reading negative temperatures without the need for a negative supply. The output voltage of the LM50 and LM50HV ranges from 100mV (at -40°C) to 1.75V (at 125°C for LM50) and 2V (at 150°C for LM50HV), simplifying analog-to-digital converter (ADC) interfacing.

LM50HV is designed for LDO-less application due to stable functionality across wide supply range of 3V to 36V. Trimming and calibration of the LM50 and LM50HV at the wafer level provide long-term availability, low cost and consistent accuracy: LM50B (±3°C over temperature range), LM50C (±4°C over temperature range) and LM50HV (±3°C over -20°C to 150°C).
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* Data sheet LM50 and LM50HV Industry-Standard, Analog Centigrade (10mV/°C) Temperature Sensor in the SOT-23 Package datasheet (Rev. I) PDF | HTML 13 oct 2025

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