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ADT7481: Dual Channel Temperature Sensor and Over Temperature Alarm

Overview
Specifications
Packages
Applications
Datasheet: Dual Channel Temperature Sensor and Over Temperature Alarm
Rev. 8 (192kB)
»View Material Composition
»Product Change Notification (7)
Product Overview
Product Description
The ADT7481 is a 3-channel digital thermometer and under/over temperature alarm, intended for use in PCs and thermal management systems. It can measure its own ambient temperature or the temperature of two remote thermal diodes. These thermal diodes can be located in a CPU or GPU, or they can be discrete diode connected transistors. The ambient temperature, or the temperature of the remote thermal diiode, can be accurately measured to ±1°C. The temperature measurement range defaults to 0°C to +127°C, compatible with ADM1032, but can be switched to a wider measurement range from -64°C to +191°C.
Features
 
  • 1 Local and 2 Remote Temperature Sensors
  • 0.25°C Resolution/1°C Accuracy on Remote Channels
  • 1°C Resolution/1°C Accuracy on Local Channel
  • Extended, Switchable Temperature Measurement Range 0°C to +127°C (default) or 64°C to +191°C
  • 2-wire SMBus Serial Interface with SMBus Alert Support
  • Programmable Over/Under Temperature Limits
  • Offset Registers for System Calibration
  • Up to 2 over Temperature Fail-safe THERM Outputs
  • 240 µA Operating Current, 5 µA Standby Current
Applications   End Products
  • Industrial controllers
  • Smart batteries
  • Embedded systems
  • Burn-in applications
 
  • Desktop and notebook computers
  • Automotive
  • Instrumentation
Technical Documentation & Design Resources
Software (1) Package Drawings (1)
Application Notes (1) Evaluation Board Documents (4)
Data Sheets (1)  
Evaluation/Development Tool Information
Product Status Compliance Short Description Action
ADT7481EBZEVB Active
3-Channel Digital Thermometer and Under/Over Temperature Alarm Evaluation Board
Availability and Samples
Product
Status
Compliance
Description
Package
MSL*
Container
Budgetary Price/Unit
Type
Case Outline
Type
Qty.
ADT7481ARMZ Last Shipments 
Pb-free
Halide free
Dual Channel Temperature Sensor and Over Temperature Alarm Micro10 846B 1 Tube 50  
ADT7481ARMZ-001 Last Shipments 
Pb-free
Halide free
Dual Channel Temperature Sensor and Over Temperature Alarm Micro10 846B 1 Tube 50  
ADT7481ARMZ-1R7 Last Shipments 
Pb-free
Halide free
Dual Channel Temperature Sensor and Over Temperature Alarm Micro10 846B 1 Tape and Reel 1000  
ADT7481ARMZ-1RL Active
Pb-free
Halide free
Dual Channel Temperature Sensor and Over Temperature Alarm Micro10 846B 1 Tape and Reel 3000 $2.5
ADT7481ARMZ-R7 Last Shipments 
Pb-free
Halide free
Dual Channel Temperature Sensor and Over Temperature Alarm Micro10 846B 1 Tape and Reel 1000  
ADT7481ARMZ-REEL Active
Pb-free
Halide free
Dual Channel Temperature Sensor and Over Temperature Alarm Micro10 846B 1 Tape and Reel 3000 $2.5
Moisture Sensitivity level (MSL) for surface mount devices (lead free measured at 260°C reflow, non lead free at 235°C reflow)
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : 2 to 4
Market Leadtime (weeks) : Contact Factory
PandS   (2015-07-09) : <1K
Market Leadtime (weeks) : 13 to 16
Arrow   (Fri Jul 10 16:26:11 MST 2015) : 7870
PandS   (2015-07-09) : >1K
Datasheet: Dual Channel Temperature Sensor and Over Temperature Alarm
Rev. 8 (192kB)
»View Material Composition
»Product Change Notification (7)
Product Overview

Product Compliance Status Description Sensor Type Data Transmission Standard ICC Max (mA) VCC Min (V) VCC Max (V) T Min (°C) T Max (°C) Temperature Error (°C) Package Type
 Pb-free 
 Halide free 
 Active     Dual Channel Temperature Sensor and Over Temperature Alarm   Local & Remote   SMBus   0.35   3   3.6   -40   125   ±1   Micro10 
 Pb-free 
 Halide free 
 Active     Dual Channel Temperature Sensor and Over Temperature Alarm   Local & Remote   SMBus   0.35   3   3.6   -40   125   ±1   Micro10 
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