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EMC1133

Status: End of Life

Features:

  • SST 1.0 compliant
  • Fixed Address, Discoverable Device
  • Three programmable addresses
  • Supports FCS Abort functionality not available in SST 0.9 compliant devices
  • Resistance Error Correction
  • Ideality Configuration
  • Beta Compensation
  • 0.125°C Resolution
  • ±1°C Accuracy (50°C to 70°C)
  • Diode Fault Reporting
  • Second External Diode configured to read a discrete diode.
  • Range -40°C to +125°C
  • 0.125°C resolution
  • ±2°C Accuracy (40°C to 70°C)
  • 3.3V, 2.5V, VCCP inputs
  • 2% Total Unadjusted Error
  • 11-bit resolution
  • 3.0V to 3.6V
  • Desktop PCs, Servers and Workstations
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Device Overview

Summary

The EMC1133 is a one-wire sensor that is capable of monitoring up to three voltages and three temperature zones for an Intel PC platform containing an SST host. The three temperature zones consist of an internal temperature diode and two externally connected temperature diodes. In cooperation with a host device, thermal management and fan control can be performed. Communication takes place over a one-wire SST based interface. The internal 11-bit delta-sigma ADC architecture provides superb linearity, high accuracy, and excellent noise immunity.

Additional Features

    Features

    • Single Wire Interface (SST based)
      • SST 1.0 compliant
      • Fixed Address, Discoverable Device
      • Three programmable addresses
      • Supports FCS Abort functionality not available in SST 0.9 compliant devices
    • Resistance Error Correction
    • Ideality Configuration
    • Beta Compensation
    • Two External Temperature Monitors
      • 0.125°C Resolution
      • ±1°C Accuracy (50°C to 70°C)
      • Diode Fault Reporting
      • Second External Diode configured to read a discrete diode.
    • Internal Temperature Monitor
      • Range -40°C to +125°C
      • 0.125°C resolution
      • ±2°C Accuracy (40°C to 70°C)
    • Three Voltage Monitors:
      • 3.3V, 2.5V, VCCP inputs
      • 2% Total Unadjusted Error
      • 11-bit resolution
    • Supply
      • 3.0V to 3.6V

    Applications

    • Desktop PCs, Servers and Workstations
Parametrics
Name
Value
# Temps Monitored
3
Typical Accuracy (°)
0.5
Max. Accuracy @ 25° (°)
3
Max Input/ Supply Current (µA)
4000
Temp. Range (°C)
-40 to +125
Operating Voltage Range (V)
+3.0 to +3.6
Typ Supply Current (µA)
4000
Resistance Error Correction
Yes
Ideality Factor
Yes
Device Description
Digital Temperature Sensor

Documents

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