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LM80

NO RECOMENDADO PARA NUEVOS DISEÑOS

Monitor de hardware del sistema de microprocesador compatible con ACPI de interfaz en serie

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AMC80 ACTIVO Sensor de temperatura local de baja potencia con monitor de velocidad del ventilador y tensión de al Software compatible replacement with improved temperature sensing accuracy and lower power consumption.

LM80

NO RECOMENDADO PARA NUEVOS DISEÑOS
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Detalles del producto

Operating temperature range (°C) -25 to 125 Supply voltage (min) (V) 2.8 Supply voltage (max) (V) 5.75 Rating Catalog
Operating temperature range (°C) -25 to 125 Supply voltage (min) (V) 2.8 Supply voltage (max) (V) 5.75 Rating Catalog
TSSOP (PW) 24 49.92 mm² 7.8 x 6.4
  • Temperature Sensing
  • 7 Positive Voltage Inputs
  • 2 Programmable Fan Speed Monitoring Inputs
  • 10 mV LSB and 2.56V Input Range Accepts Outputs From Linear Temperature Sensors Such as the LM50
  • Chassis Intrusion Detector Input
  • WATCHDOG Comparison of all Monitored Values
  • Separate Input to Show Status in Interrupt Status Register of Additional External Temperature Sensors such as the LM56 or LM75
  • I2C Serial Bus Interface Compatibility
  • Shutdown Mode to Minimize Power Consumption
  • Programmable RST_OUT/OS pin: RST_OUT Provides a Reset Output; OS Provides an Interrupt Output Activated by an Overtemperature Shutdown Event

Key Specifications

  • Voltage Monitoring Error ±1% (Max)
  • Temperature Error (−25°C to +125°C) ±3°C (Max)
  • Supply Voltage Range 2.8 to 5.75 V
  • Supply Current: Operating 0.2 mA typ
  • Supply Current: Shutdown 15 µA typ
  • ADC Resolution 8 Bits
  • Temperature Resolution 0.5ºC

All trademarks are the property of their respective owners.

  • Temperature Sensing
  • 7 Positive Voltage Inputs
  • 2 Programmable Fan Speed Monitoring Inputs
  • 10 mV LSB and 2.56V Input Range Accepts Outputs From Linear Temperature Sensors Such as the LM50
  • Chassis Intrusion Detector Input
  • WATCHDOG Comparison of all Monitored Values
  • Separate Input to Show Status in Interrupt Status Register of Additional External Temperature Sensors such as the LM56 or LM75
  • I2C Serial Bus Interface Compatibility
  • Shutdown Mode to Minimize Power Consumption
  • Programmable RST_OUT/OS pin: RST_OUT Provides a Reset Output; OS Provides an Interrupt Output Activated by an Overtemperature Shutdown Event

Key Specifications

  • Voltage Monitoring Error ±1% (Max)
  • Temperature Error (−25°C to +125°C) ±3°C (Max)
  • Supply Voltage Range 2.8 to 5.75 V
  • Supply Current: Operating 0.2 mA typ
  • Supply Current: Shutdown 15 µA typ
  • ADC Resolution 8 Bits
  • Temperature Resolution 0.5ºC

All trademarks are the property of their respective owners.

The LM80 provides 7 positive voltage inputs, temperature measurement, fan speed measurement, and hardware monitoring on an I2C interface. The LM80 performs WATCHDOG comparisons of all measured values and an open-drain interrupt output becomes active when any values exceed programmed limits. A Chassis Intrusion input is provided to monitor and reset an external circuit designed to latch a chassis intrusion event.

The LM80 is especially suited to interface to both linear and digital temperature sensors. The 10 mV LSB and 2.56 volt input range is ideal for accepting inputs from a linear sensor such as the LM50. The BTI is used as an input from either digital or thermostat sensors such as LM75 and LM56.

The LM80's 2.8V to 5.75V supply voltage range, low supply current, and I2C interface make it ideal for a wide range of applications. These include hardware monitoring and protection applications in personal computers, electronic test equipment, and office electronics.

The LM80 provides 7 positive voltage inputs, temperature measurement, fan speed measurement, and hardware monitoring on an I2C interface. The LM80 performs WATCHDOG comparisons of all measured values and an open-drain interrupt output becomes active when any values exceed programmed limits. A Chassis Intrusion input is provided to monitor and reset an external circuit designed to latch a chassis intrusion event.

The LM80 is especially suited to interface to both linear and digital temperature sensors. The 10 mV LSB and 2.56 volt input range is ideal for accepting inputs from a linear sensor such as the LM50. The BTI is used as an input from either digital or thermostat sensors such as LM75 and LM56.

The LM80's 2.8V to 5.75V supply voltage range, low supply current, and I2C interface make it ideal for a wide range of applications. These include hardware monitoring and protection applications in personal computers, electronic test equipment, and office electronics.
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Documentación técnica

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* Data sheet LM80 Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor datasheet (Rev. F) 22 mar 2013

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • 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
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje