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LM90 Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LM90 Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 20 page Absolute Maximum Ratings (Note 1) Supply Voltage −0.3 V to 6.0 V Voltage at SMBData, SMBCLK, ALERT, T_CRIT_A −0.5V to 6.0V Voltage at Other Pins −0.3 V to (V DD + 0.3 V) D− Input Current ±1mA Input Current at All Other Pins (Note 2) ±5mA Package Input Current (Note 2) 30 mA SMBData, ALERT, T_CRIT_A Output Sink Current 10 mA Storage Temperature −65˚C to +150˚C Soldering Information, Lead Temperature SOIC-8 or MSOP-8 Packages (Note 3) Vapor Phase (60 seconds) 215˚C Infrared (15 seconds) 220˚C ESD Susceptibility (Note 4) Human Body Model 2000 V Machine Model 200 V Operating Ratings (Notes 1, 5) Operating Temperature Range 0˚C to +125˚C Electrical Characteristics Temperature Range T MIN≤TA≤TMAX LM90 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≤TA≤TMAX; all other limits TA=TJ=+25˚C, unless otherwise noted. Parameter Conditions Typical Limits Units (Note 6) (Note 7) (Limit) Temperature Error Using Local Diode T A = +25˚C to +125˚C, (Note 8) ±1.5 ±4 ˚C (max) Temperature Error Using Remote Diode of mobile Pentium III with typical non-ideality of 1.008. For other processors email hardware.monitor.team@nsc.com to obtain the latest data. (T D is the Remote Diode Junction Temperature) T A = +30˚C to +50˚C T D = +25˚C to +100˚C ±3 ˚C (max) T A = +0˚C to +85˚C T D = +25˚C to +125˚C ±4 ˚C (max) Remote Diode Measurement Resolution 11 Bits 0.125 ˚C Local Diode Measurement Resolution 8 Bits 1˚C Conversion Time of All Temperatures at the Fastest Setting (Note 10) 31.25 34.4 ms (max) Quiescent Current (Note 9) SMBus Inactive, 16Hz conversion rate 0.8 1.7 mA (max) Shutdown 315 µA D− Source Voltage 0.7 V Diode Source Current (D+ − D−)=+ 0.65V; high level 160 315 µA (max) 110 µA (min) Low level 13 20 µA (max) 7 µA (min) ALERT and T_CRIT_A Output Saturation Voltage I OUT = 6.0 mA 0.4 V (max) Power-On Reset Threshold Measure on V DD input, falling edge 2.4 1.8 V (max) V (min) Local and Remote HIGH Default Temperature settings (Note 11) +70 ˚C Local and Remote LOW Default Temperature settings (Note 11) 0 ˚C www.national.com 4 |
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