ADM1021-2/S5, ADM1021A, ADM1021AARQ Selling Leads, Datasheet
MFG:AD Package Cooled:N/A D/C:177
ADM1021-2/S5, ADM1021A, ADM1021AARQ Datasheet download
Part Number: ADM1021-2/S5
MFG: AD
Package Cooled: N/A
D/C: 177
ADM1021-2/S5, ADM1021A, ADM1021AARQ
- Table of contents:
Info of ADM1021-2/S5
Info of ADM1021A
Info of ADM1021AARQ
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About ADM1014
PDF/DataSheet Download
Datasheet: ADM1014
File Size: 171739 KB
Manufacturer: AD [Analog Devices]
Download : Click here to Download
About ADM1021A
PDF/DataSheet Download
Datasheet: ADM1021A
File Size: 167287 KB
Manufacturer: AD [Analog Devices]
Download : Click here to Download
About ADM1021AARQ
PDF/DataSheet Download
Datasheet: ADM1021AARQ
File Size: 167287 KB
Manufacturer: AD [Analog Devices]
Download : Click here to Download
ADM1021A General Description
The ADM1021A 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. The device 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 temperature of the device and its environment.
ADM1021A Maximum Ratings
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
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
ADM1021A Features
Alternative to the ADM1021
On-Chip and Remote Temperature Sensing
No Calibration Necessary
Programmable Over/Under Temperature Limits
Programmable Conversion Rate
2-Wire SMBus Serial Interface
Supports System Management Bus (SMBus) Alert
3 V to 5.5 V Supply
Small 16-Lead QSOP Package
On-Chip and Remote Temperature Sensing
No Calibration Necessary
Programmable Over/Under Temperature Limits
Programmable Conversion Rate
2-Wire SMBus Serial Interface
Supports System Management Bus (SMBus) Alert
3 V to 5.5 V Supply
Small 16-Lead QSOP Package
ADM1021A Typical Application
Desktop Computers
Notebook Computers
Smart Batteries
Industrial Controllers
Telecomms Equipment
Instrumentation
Notebook Computers
Smart Batteries
Industrial Controllers
Telecomms Equipment
Instrumentation
ADM1021A Connection Diagram
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