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S5855A Datasheet(PDF) 9 Page - Seiko Instruments Inc |
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S5855A Datasheet(HTML) 9 Page - Seiko Instruments Inc |
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9 / 27 page  PWM OUTPUT TEMPERATURE SENSOR IC Rev.1.2_00 S-5855A Series Seiko Instruments Inc. 9 4. Product with duty ratio temperature sensitivity Ddt(s) = −3 %/°C Table 9 (Ta = TSP5, VDD = 3.0 V , VSS = 0 V, CFREQ = 6.8 nF, unless otherwise specified) Items Symbol Conditions Min. Typ. Max. Unit Test circuit VDD = 3.0 V 76.0 85.0 94.0 % 2 Duty ratio accuracy Dsp5 VDD = 1.65 V to 5.5 V 73.0 85.0 97.0 % 2 VDD = 3.0 V −3.6 −3.0 −2.4 %/ °C 2 Duty ratio temperature sensitivity Ddt(E) *1 Ta = TSP5 *2 , TEM5 *3 VDD = 1.65 V to 5.5 V −3.78 −3.0 −2.28 %/ °C 2 VDD = 3.0 V 1900 2240 2570 Hz 2 Ta = TSP5 VDD = 1.65 V to 5.5 V 1810 2240 2700 Hz 2 Oscillation frequency fOSC Ta = TEM5 VDD = 3.0 V 1620 2240 2950 Hz 2 *1. Ddt(E): Actual duty ratio temperature sensitivity *2. TSP5: Temperature 5 °C higher than duty ratio change-start temperature TS (Refer to Table 12 for details) *3. TEm5: Higher temperature when measuring duty ratio temperature sensitivity (Refer to Table 12 for details) 5. Product with duty ratio temperature sensitivity Ddt(s) = −4 %/°C Table 10 (Ta = TSP5, VDD = 3.0 V , VSS = 0 V, CFREQ = 10 nF, unless otherwise specified) Items Symbol Conditions Min. Typ. Max. Unit Test circuit VDD = 3.0 V 68.0 80.0 92.0 % 2 Duty ratio accuracy Dsp5 VDD = 1.65 V to 5.5 V 64.0 80.0 96.0 % 2 VDD = 3.0 V −4.8 −4.0 −3.2 %/ °C 2 Duty ratio temperature sensitivity Ddt(E) *1 Ta = TSP5 *2 , TEM5 *3 VDD = 1.65 V to 5.5 V −5.05 −4.0 −3.04 %/ °C 2 VDD = 3.0 V 1730 2030 2330 Hz 2 Ta = TSP5 VDD = 1.65 V to 5.5 V 1640 2030 2440 Hz 2 Oscillation frequency fOSC Ta = TEM5 VDD = 3.0 V 1470 2030 2680 Hz 2 *1. Ddt(E): Actual duty ratio temperature sensitivity *2. TSP5: Temperature 5 °C higher than duty ratio change-start temperature TS (Refer to Table 12 for details) *3. TEM5: Higher temperature when measuring duty ratio temperature sensitivity (Refer to Table 12 for details) |
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