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Sensores de temperatura digitales

LM64

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1 sensor de temperatura local y remoto con control de ventilador y 5 GPIO

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LM64

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Detalles del producto

Operating temperature range (°C) 0 to 125 Supply voltage (min) (V) 3 Interface type SMBus Supply voltage (max) (V) 3.6 Rating Catalog
Operating temperature range (°C) 0 to 125 Supply voltage (min) (V) 3 Interface type SMBus Supply voltage (max) (V) 3.6 Rating Catalog
  • Accurately Senses Remote and Local Diode Temperatures
  • Integrated PWM Fan Speed Control Output
  • Programmable 8-step Lookup Table for Quieting Fans
  • ALERT and T_Crit Open-drain Outputs
  • Tachometer Input for Measuring Fan RPM
  • 10 bit Plus Sign Remote Diode Temperature Data Format, with 0.125°C Resolution
  • SMBus 2.0 Compatible Interface, Supports TIMEOUT
  • 5 General Purpose Input/Output pins
  • 5 General Purpose Default input pins
  • 24-pin WQFN Package
  • Key Specifications:
    • Remote Diode Temperature Accuracy (includes quantization error)
      • Ambient Temp
        • 30°C to 50°C
        • 0°C to 85°C
      • Diode Temp
        • 120°C to 140°C
        • 25°C to 140°C
      • Max Error
        • ±1.0°C (max)
        • ±3.0°C (max)
    • Local Temp Accuracy (includes quantization error)
      • Ambient Temp 25°C to 125°C
      • Max Error ±3.0°C (max)
    • Power Supply Requirements
      • Supply DC Voltage 3.0 V to 3.6 V
      • Supply DC Current 1.1 mA (typ)
  • Accurately Senses Remote and Local Diode Temperatures
  • Integrated PWM Fan Speed Control Output
  • Programmable 8-step Lookup Table for Quieting Fans
  • ALERT and T_Crit Open-drain Outputs
  • Tachometer Input for Measuring Fan RPM
  • 10 bit Plus Sign Remote Diode Temperature Data Format, with 0.125°C Resolution
  • SMBus 2.0 Compatible Interface, Supports TIMEOUT
  • 5 General Purpose Input/Output pins
  • 5 General Purpose Default input pins
  • 24-pin WQFN Package
  • Key Specifications:
    • Remote Diode Temperature Accuracy (includes quantization error)
      • Ambient Temp
        • 30°C to 50°C
        • 0°C to 85°C
      • Diode Temp
        • 120°C to 140°C
        • 25°C to 140°C
      • Max Error
        • ±1.0°C (max)
        • ±3.0°C (max)
    • Local Temp Accuracy (includes quantization error)
      • Ambient Temp 25°C to 125°C
      • Max Error ±3.0°C (max)
    • Power Supply Requirements
      • Supply DC Voltage 3.0 V to 3.6 V
      • Supply DC Current 1.1 mA (typ)

The LM64 is a remote diode temperature sensor with PWM fan control. The LM64 accurately measures its own temperature and that of a remote diode. The LM64 remote temperature accuracy is factory trimmed for a MMBT3904 diode-connected transistor with a 16°C offset for high temperatures. TACTUAL DIODE JUNCTION = TLM64 + 16°C

The LM64 features a PWM, open-drain, fan control output, 5 GPIO (General Purpose Input/Output) and 5 GPD (General Purpose Default) pins. The 8-step Lookup Table allows for a non-linear fan speed vs. temperature transfer function often used to quiet acoustic fan noise.

The LM64 is a remote diode temperature sensor with PWM fan control. The LM64 accurately measures its own temperature and that of a remote diode. The LM64 remote temperature accuracy is factory trimmed for a MMBT3904 diode-connected transistor with a 16°C offset for high temperatures. TACTUAL DIODE JUNCTION = TLM64 + 16°C

The LM64 features a PWM, open-drain, fan control output, 5 GPIO (General Purpose Input/Output) and 5 GPD (General Purpose Default) pins. The 8-step Lookup Table allows for a non-linear fan speed vs. temperature transfer function often used to quiet acoustic fan noise.
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* Data sheet LM64 ±1°C Remote Diode Temperature Sensor with PWM Fan Control and 5 GPIO's datasheet (Rev. B) PDF | HTML 01 dic 2023

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  • REACH
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  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
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  • Lugar de fabricación
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