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DS1856B-030T Datasheet(PDF) 3 Page - Maxim Integrated Products |
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DS1856B-030T Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 31 page Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection _____________________________________________________________________ 3 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Thermometer Error TERR -40°C to +95°C ±3.0 °C DIGITAL THERMOMETER (VCC = 2.85V to 5.5V, TA = -40°C to +95°C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS EEPROM Writes +70°C (Note 14) 50,000 Writes NONVOLATILE MEMORY CHARACTERISTICS (VCC = 2.85V to 5.5V) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input Resolution ∆VMON 610 µV Supply Resolution ∆VCC 1.6 mV Input/Supply Accuracy (MON1, MON2, MON3, VCC) ACC At factory setting 0.25 0.5 % FS (full scale) Update Rate for MON1, MON2, MON3, Temp, or VCC tframe 47 60 ms Input/Supply Offset (MON1, MON2, MON3, VCC) VOS (Note 14) 0 5 LSB ANALOG VOLTAGE MONITORING (VCC = 2.85V to 5.5V, TA = -40°C to +95°C, unless otherwise noted.) PARAMETER CONDITIONS MIN TYP MAX UNITS Position 00h Resistance (50k Ω)TA = +25°C 0.65 1.0 1.35 k Ω Position FFh Resistance (50k Ω)TA = +25°C 40 50 60 k Ω Position 00h Resistance (30k Ω)TA = +25°C 0.40 k Ω Position FFh Resistance (30k Ω)TA = +25°C 30 k Ω Position 00h Resistance (20k Ω)TA = +25°C 0.20 0.40 0.55 k Ω Position FFh Resistance (20k Ω)TA = +25°C 15 20 25 k Ω Position 00h Resistance (10k Ω)TA = +25°C 0.40 k Ω Position FFh Resistance (10k Ω)TA = +25°C 10 k Ω Position 00h Resistance (2.5k Ω)TA = +25°C 0.1 0.175 0.250 k Ω Position FFh Resistance (2.5k Ω)TA = +25°C 2.0 2.50 3.0 k Ω Absolute Linearity (Note 6) -2 +2 LSB Relative Linearity (Note 7) -1 +1 LSB Temperature Coefficient (Note 8) 50 ppm/°C ANALOG RESISTOR CHARACTERISTICS (VCC = 2.85V to 5.5V, TA = -40°C to +95°C, unless otherwise noted.) |
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