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DS1085 Datasheet(PDF) 17 Page - Dallas Semiconductor |
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DS1085 Datasheet(HTML) 17 Page - Dallas Semiconductor |
17 / 21 page ![]() DS1085 17 of 21 MASTER OSCILLATOR CHARACTERISTICS (VCC = 5V ±5%, TA = 0°C to +70°C.) PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES Master Oscillator Range fOSC 66 133 MHz 7 Default Master Oscillator Frequency f0 -10 Version -25 Version -50 Version 97.1 104.6 101.8 MHz Master Oscillator Frequency Tolerance Df0 f0 VCC = 5V, TA = +25 °C Default freq. DAC step size -0.75 -0.75 +0.75 +0.75 % 2, 17 Voltage Frequency Variation DfV f0 Overvoltage range, TA = +25 °C default freq. DAC Step Size -1.0 -1.0 +1.0 +1.0 %3 Overtemperature range, VCC = 5V default freq. -0.5 +0.5 133MHz -0.5 +0.5 Temperature Frequency Variation DfT f0 66MHz -1.0 +1.0 % 4, 5 DAC range -0.3 +0.3 % Integral Nonlinearity of Frequency DAC INL Entire range -0.4 +0.4 % 6 AC ELECTRICAL CHARACTERISTICS (VCC = 5V ±5%, TA = 0°C to +70°C.) PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES Frequency Stable After DIV Change 1Period Frequency Stable After DAC or OFFSET Change 0.2 1 ms 8 Power-Up Time tpor + tstab 0.1 0.5 ms 9 Enable of OUT0/1 After Exiting Power-Down Mode tstab 500 µs OUT0/1 High-Z After Entering Power-Down Mode tstab 1ms Load Capacitance CL 15 50 pF 10 Output Duty Cycle (OUT0, OUT1) 40 60 % |
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