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LM95231 Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LM95231 Datasheet(HTML) 4 Page - National Semiconductor (TI) |
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4 / 20 page  Absolute Maximum Ratings (Note 1) Supply Voltage −0.3 V to 6.0 V Voltage at SMBDAT, SMBCLK −0.5V to 6.0V Voltage at Other Pins −0.3 V to (V DD + 0.3 V) Input Current at All Pins (Note 2) ±5mA Package Input Current (Note 2) 30 mA SMBDAT Output Sink Current 10 mA Junction Tempeature (Note 3) 125˚C Storage Temperature −65˚C to +150˚C ESD Susceptibility (Note 4) Human Body Model 2000 V Machine Model 200 V Soldering process must comply with National’s reflow temperature profile specifications. Refer to http://www.national.com/packaging/. (Note 5) Operating Ratings (Notes 1, 3) Operating Temperature Range 0˚C to +125˚C Electrical Characteristics Temperature Range T MIN ≤T A ≤T MAX LM95231BIMM, LM95231CIMM 0˚C ≤T A ≤+85˚C Supply Voltage Range (V DD) +3.0V to +3.6V Temperature-to-Digital Converter Characteristics Unless otherwise noted, these specifications apply for V DD=+3.0Vdc to 3.6Vdc. Boldface limits apply for TA =TJ = T MIN ≤T A ≤T MAX; all other limits TA=TJ=+25˚C, unless otherwise noted. TJ is the junction temperature of the LM95231. TD is the junction temperature of the remote thermal diode. Parameter Conditions Typical LM95231 BIMM LM95231 CIMM Units (Note 6) Limits (Note 7) Limits (Note 7) (Limit) Accuracy Using Local Diode T A = 0˚C to +85˚C, (Note 8) ±1 ±3 ±3 ˚C (max) Accuracy Using Remote Diode, see(Note 9) for Thermal Diode Processor Type. T A = +20˚C to +40˚C; T D = +45˚C to +85˚C Intel 90nm Thermal Diode ±0.75 ˚C (max) T A = +20˚C to +40˚C; T D = +45˚C to +85˚C MMBT3904 Thermal Diode ±1.25 ˚C (max) T A = +20˚C to +40˚C; T D = +45˚C to +85˚C Intel 90nm and MMBT3904 Thermal Diodes ±1.25 ˚C (max) T A = +0˚C to +85˚C; T D = +25˚C to +140˚C Intel 90nm and MMBT3904 Thermal Diodes ±2.5 ±2.5 ˚C (max) Remote Diode Measurement Resolution with filtering turned off 10+sign/11 Bits 0.125 ˚C Remote Diode Measurement Resolution with digital filtering turned on 12+sign/13 Bits 0.03125 ˚C Local Diode Measurement Resolution 9+sign Bits 0.25 ˚C Conversion Time of All Temperatures at the Fastest Setting (Note 11) TruTherm Mode Disabled 75.8 83.9 83.9 ms (max) TruTherm Mode enabled 79.2 87.7 87.7 ms (max) Average Quiescent Current (Note 10) SMBus Inactive, 1 Hz conversion rate 402 545 545 µA (max) Shutdown 272 µA D− Source Voltage 0.4 V Diode Source Current Ratio 16 www.national.com 4 |
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