LM81 Datasheet - Texas Instruments

LM81 Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor

The LM81 is a highly integrated data acquisition system for hardware monitoring of servers, Personal Computers, or virtually any microprocessor-based system. In a PC, the LM81 can be used to monitor power supply voltages, temperatures, and fan speeds. Actual values for these inputs can be read at an.

LM81 Features

* 1

* 2 Temperature Sensing

* 6 Positive Voltage Inputs with Scaling Resistors to Monitor +5V, +12V, +3.3V, +2.5V, Vccp Power Supplies Directly

* 8-Bit DAC Output for Controlling Fan Speed

* 2 Fan Speed Monitoring Inputs

* Chassis Intrusion Detector Input

LM81-etcTI.pdf