Datasheet Summary
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SNAS011E
- JUNE 1999
- REVISED FEBRUARY 2002
LM81 Serial Interface ACPI-patible Microprocessor System Hardware Monitor
Check for Samples: LM81
Features
- 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 parison of all Monitored Values
- SMBus 1.0 (LM81C) and 1.1 (LM81B) Serial Bus Interface patibility
- LM81B has Improved Voltage Monitoring Accuracy
- VID0-VID4 Monitoring Inputs
KEY SPECIFICATIONS
- Voltage Monitoring Error: +2% or ±1.2% (max)
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