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DS1857E-050 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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DS1857E-050 Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 22 page Dual Temperature-Controlled Resistors with External Temperature Input and Monitors _____________________________________________________________________ 3 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS EXTTMP Input Voltage VEXTTMP 1.779 V Conversion Resolution ∆VEXTTMP 625 µV Conversion Accuracy VEXTTMP (Note 9) 12.8 mV EXTERNAL TEMPERATURE (VCC = 3.0V to 5.5V, TA = -40°C to +95°C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Input Resolution ∆VMON 610 µV Supply Resolution ∆VCC 1.6 mV Input/Supply Accuracy ACC 0.25 0.5 % FS (full scale) Update Rate for MON1, MON2, Temp, or VCC tframe 20 30 ms ANALOG VOLTAGE MONITORING (VCC = 3.0V to 5.5V, TA = -40°C to +95°C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Position 00h Resistance TA = +25°C 0.70 1.0 1.25 k Ω Position FFh Resistance TA = +25°C 40 50 60 k Ω Absolute Linearity (Note 6) -2 +2 LSB Relative Linearity (Note 7) -1 +1 LSB Temperature Coefficient (Note 8) 50 ppm/°C High-Z Resistor Current IRHIZ RHIZ = VCC 0.1 µA ANALOG RESISTOR CHARACTERISTICS (VCC = 3.0V to 5.5V, TA = -40°C to +95°C, unless otherwise noted.) |
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