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ADM1023*

Features: Next Generation Upgrade to ADM1021On-Chip and Remote Temperature SensingOffset Registers for System CalibrationProgrammable Over/Under Temperature LimitsProgrammable Conversion RateSupports System Management Bus (SMBus) Alert2-Wire SMBus Serial Interface3 V to 5.5 V SupplySmall 16-Lead Q...

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SeekIC No. : 004275496 Detail

ADM1023*: Features: Next Generation Upgrade to ADM1021On-Chip and Remote Temperature SensingOffset Registers for System CalibrationProgrammable Over/Under Temperature LimitsProgrammable Conversion RateSupport...

ADM1023* Data Sheet

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Part Number:
ADM1023*
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Next Generation Upgrade to ADM1021
On-Chip and Remote Temperature Sensing
Offset Registers for System Calibration
Programmable Over/Under Temperature Limits
Programmable Conversion Rate
Supports System Management Bus (SMBus) Alert
2-Wire SMBus Serial Interface
3 V to 5.5 V Supply
Small 16-Lead QSOP Package


Application

Desktop Computers
Notebook Computers
Smart Batteries
Industrial Controllers
Telecomms Equipment
Instrumentation


Pinout

Connection Diagram


Specifications

Positive Supply Voltage (VDD) to GND  . . . . . 0.3 V to +6 V
D+, ADD0, ADD1  . . . . . . . . . . . . . . .  0.3 V to VDD + 0.3 V
D to GND  . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +0.6 V
Input Current  . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA
Input Current, D  . . . . . . . . . . . . . . . . . . . . . . . . .  ±1 mA
ESD Rating, all pins (Human Body Model)  . . . . . . . .2000 V
Continuous Power Dissipation
Up to 70°C  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .650 mW
Derating Above 70°C  . . . . . . . . . . . . . . . . . . . .6.7 mW/°C
Operating Temperature Range  . . . . . . . 55°C to +125°C
Maximum Junction Temperature (TJ max)  . . . . . . . . 150°C
Storage Temperature Range  . . . . . . . . .65°C to +150°C
Lead Temperature (Soldering 10 sec)  .  . . . . . . . . . 300°C
IR Reflow Peak Temperature . . . . . . . . . . . . . . . . . . 220°C


Description

The ADM1023 is a two-channel digital thermometer and under/ over temperature alarm, intended for use in personal computers and other systems requiring thermal monitoring and management. Optimized for the Pentium® III; the higher accuracy offered allows systems designers to safely reduce temperature guard banding and increase system performance. The ADM1023 can measure the temperature of a microprocessor using a diode-connected PNP transistor, which may be provided on-chip in the case of the Pentium  III or similar processors, or can be a low cost discrete NPN/PNP device such as the 2N3904/2N3906. A novel measurement technique cancels out the absolute value of the transistor's base emitter voltage, so that no calibration is required. The second measurement channel measures the output of an on-chip temperature sensor, to monitor the tem- perature of the ADM1023 and its environment.




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