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ADT7461: Temperature Sensor with Series Resistance Cancellation

Overview
Specifications
Packages
Applications
Datasheet: Temperature Monitor with Series Resistance Cancellation
Rev. 8 (268kB)
Product Overview
»View Reliability Data
»View Material Composition
»Product Change Notification (12)
The ADT7461 is a dual-channel digital thermometer and under/over temperature alarm intended for use in PCs and thermal management systems. It is pin- and register-compatible with the ADM1032. The ADT7461 has three additional features: series resistance cancellation (where up to 3 kΩ (typical) of resistance in series with the temperature monitoring diode may be automatically cancelled from the temperature result, allowing noise filtering); configurable ~ALERT output; and an extended, switchable temperature measurement range.
Features
 
  • On-chip and Remote Temperature Sensor
  • 0.25°C Resolution/1°C Accuracy on Remote Channel
  • 1°C Resolution/3°C Accuracy on Local Channel
  • Automatically Cancels up to 3 kΩ (typical) of Resistance in Series with Remote Diode to Allow Noise Filtering
  • 2-wire SMBus Serial Interface with SMBus Alert Support
  • Programmable Over/Under Temperature Limits
  • Up to Two Over Temperature Fail-safe THERM Outputs
  • 170 µA Operating Current, 5.5 µA Standby Current
Applications   End Products
  • Thermal Management
 
  • Notebook and Desktop Computers
  • Game Consoles
  • RFID Readers
  • DSL Line Cards
Technical Documentation & Design Resources
Application Notes (4) Package Drawings (2)
Data Sheets (1)  
Availability and Samples
Product
Status
Compliance
Description
Package
MSL*
Container
Budgetary Price/Unit
Type
Case Outline
Type
Qty.
ADT7461ARMZ Last Shipments 
Pb-free
Halide free
Temperature Sensor with Series Resistance Cancellation Micro8™ 846A-02 1 Tube 50  
ADT7461ARMZ-2R Lifetime
Pb-free
Halide free
Temperature Sensor with Series Resistance Cancellation Micro8™ 846A-02 1 Tape and Reel 3000  
ADT7461ARMZ-2RL7 Last Shipments 
Pb-free
Halide free
Temperature Sensor with Series Resistance Cancellation Micro8™ 846A-02 1 Tape and Reel 1000  
ADT7461ARMZ-R7 Active
Pb-free
Halide free
Temperature Sensor with Series Resistance Cancellation Micro8™ 846A-02 1 Tape and Reel 1000 $1.54
ADT7461ARZ Last Shipments 
Pb-free
Temperature Sensor with Series Resistance Cancellation SOIC-8 751-07 1 Tube 98  
ADT7461ARZ-REEL Active
Pb-free
Temperature Sensor with Series Resistance Cancellation SOIC-8 751-07 1 Tape and Reel 2500 $1.54
ADT7461ARZ-REEL7 Last Shipments 
Pb-free
Temperature Sensor with Series Resistance Cancellation SOIC-8 751-07 1 Tape and Reel 1000  
ADT7461AR Last Shipments 
Temperature Sensor with Series Resistance Cancellation SOIC-8 751-07 1 Tube 98  
ADT7461AR-REEL Last Shipments
Temperature Sensor with Series Resistance Cancellation SOIC-8 751-07 1 Tape and Reel 2500  
ADT7461AR-REEL7 Last Shipments
Temperature Sensor with Series Resistance Cancellation SOIC-8 751-07 1 Tape and Reel 1000  
ADT7461ARM Last Shipments 
Temperature Sensor with Series Resistance Cancellation Micro8™ 846A-02 1 Tube 50  
ADT7461ARM-REEL Last Shipments 
Temperature Sensor with Series Resistance Cancellation Micro8™ 846A-02 1 Tape and Reel 3000  
ADT7461ARM-REEL7 Last Shipments 
Temperature Sensor with Series Resistance Cancellation Micro8™ 846A-02 1 Tape and Reel 1000  
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
Arrow   (Mon Feb 27 22:56:12 MST 2017) : 450
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : 8 to 12
Arrow   (Mon Feb 27 22:56:12 MST 2017) : 450
Digikey   (2017-02-27) : >1K
Mouser   (2017-02-27) : >1K
PandS   (2017-02-27) : <100
Market Leadtime (weeks) : Contact Factory
Arrow   (Mon Feb 27 22:56:12 MST 2017) : 3714
Market Leadtime (weeks) : 17 to 20
Arrow   (Mon Feb 27 22:56:13 MST 2017) : 3714
Digikey   (2017-02-27) : <1K
Mouser   (2017-02-27) : >1K
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Arrow   (Mon Feb 27 22:56:13 MST 2017) : 3714
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Arrow   (Mon Feb 27 22:56:13 MST 2017) : 450
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Datasheet: Temperature Monitor with Series Resistance Cancellation
Rev. 8 (268kB)
Product Overview
»View Reliability Data
»View Material Composition
»Product Change Notification (12)

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     Temperature Sensor with Series Resistance Cancellation 
Local & Remote
SMBus
0.215
3
5.5
-40
125
±1
Micro8™
Pb-free
 Active     Temperature Sensor with Series Resistance Cancellation 
Local & Remote
SMBus
0.215
3
5.5
-40
125
±1
SOIC-8
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