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DS75 Arkusz danych(PDF) 12 Page - Dallas Semiconductor |
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DS75 Arkusz danych(HTML) 12 Page - Dallas Semiconductor |
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12 / 13 page ![]() DS75 12 of 13 ELECTRICAL CHARACTERISTICS: DIGITAL THERMOMETER (-55°C to +125°C; 2.7V ≤ V DD ≤ 5.5V) PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES Thermometer Error TERR -25 to +100 -55 to +125 ± 2.0 ± 3.0 °C 9 Resolution 9 12 bits 9-bit conversions 125 150 10-bit conversions 250 300 11-bit conversions 500 600 Conversion Time tCONVT 12-bit conversions 1000 1200 ms AC ELECTRICAL CHARACTERISTICS (-55°C to +125°C; 2.7V ≤ V DD ≤ 5.5V) PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES SCL clock frequency fSCL Fast Mode Standard Mode 400 100 KHz Bus free time between a STOP and START condition tBUF Fast Mode Standard Mode 1.3 4.7 µs Hold time (repeated) START condition tHD:STA Fast Mode Standard Mode 0.6 4.0 µs 5 LOW period of SCL tLOW Fast Mode Standard Mode 1.3 4.7 µs HIGH period of SCL tHIGH Fast Mode Standard Mode 0.6 4.0 µs Set-up time for a repeated START tSU:STA Fast Mode Standard Mode 0.6 4.7 µs Data hold time tHD:DAT Fast Mode Standard Mode 0 0 0.9 µs 6 Data set-up time tSU:DAT Fast Mode Standard Mode 100 250 ns 7 Rise time of both SDA and SCL signals tR Fast Mode Standard Mode 20 + 0.1CB 300 1000 ns 8 Fall time of both SDA and SCL signals tF Fast Mode Standard Mode 20 + 0.1CB 300 ns 8 Set-up time for a STOP tSU:STO Fast Mode Standard Mode 0.6 4.0 µs Capacitive load for each bus line Cb 400 pF 8 Input Capacitance CI 5pF |
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