LM81
Overview
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.
- 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
- WATCHDOG Comparison of all Monitored Values
- SMBus 1.0 (LM81C) and 1.1 (LM81B) Serial Bus Interface Compatibility
- LM81B has Improved Voltage Monitoring Accuracy
- VID0-VID4 Monitoring Inputs