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ADM9240ARU 데이터시트(PDF) 2 Page - Analog Devices |
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ADM9240ARU 데이터시트(HTML) 2 Page - Analog Devices |
2 / 22 page –2– REV. 0 ADM9240–SPECIFICATIONS1, 2 Parameter Min Typ Max Units Test Conditions/Comments POWER SUPPLY Supply Voltage, VCC 2.85 5 5.75 V Supply Current, ICC 1.4 2.0 mA Interface Inactive, ADC Active 1.0 mA ADC Inactive, DAC Active 25 100 µA Shutdown Mode TEMPERATURE-TO-DIGITAL CONVERTER Accuracy ±3 °C –40 °C ≤ T A ≤ +125°C ±2 °C TA = +25°C Resolution ±0.5 °C ANALOG-TO-DIGITAL CONVERTER (INCLUDING MUX AND ATTENUATORS) Total Unadjusted Error, TUE ±2 % Note 3 Differential Nonlinearity, DNL ±1 LSB Power Supply Sensitivity ±1 %/V Total Monitoring Cycle Time 311 331 µs +25 °C ≤ T A ≤ +125°C (Note 4) 311 353 µs –40 °C ≤ T A ≤ +125°C (Note 4) Input Resistance 100 140 200 k Ω ANALOG OUTPUT Output Voltage Range 0 1.25 V Total Unadjusted Error, TUE ±3% IL = 2 mA Full-Scale Error ±1 ±3% Zero Error 2 LSB No Load Differential Nonlinearity, DNL ±1 LSB Integral Nonlinearity ±1 LSB Monotonic by Design Output Source Current 2 mA Output Sink Current 1 mA FAN RPM-TO-DIGITAL CONVERTER Accuracy ±6 % +25 °C ≤ T A ≤ +125°C ±12 % –40 oC ≤ T A ≤ +125°C Full-Scale Count 255 FAN1 and FAN2 Nominal Input RPM 8800 rpm Divisor = 1, Fan Count = 153 (Note 5) 4400 rpm Divisor = 2, Fan Count = 153 (Note 5) 2200 rpm Divisor = 3, Fan Count = 153 (Note 5) 1100 rpm Divisor = 4, Fan Count = 153 (Note 5) Internal Clock Frequency 21.1 22.5 23.9 kHz +25 °C ≤ T A ≤ +125°C 19.8 22.5 25.2 kHz –40 oC ≤ T A ≤ +125°C DIGITAL OUTPUT NTEST_OUT Output High Voltage, VOH 2.4 V IOUT = 5.0 mA, VCC = 4.25 V–5.75 V 2.4 V IOUT = 3.0 mA, VCC = 2.85 V–3.45 V Output Low Voltage, VOL 0.4 V IOUT = –5.0 mA, VCC = 4.25 V–5.75 V 0.4 V IOUT = –3.0 mA, VCC = 2.85 V–3.45 V OPEN-DRAIN DIGITAL OUTPUTS ( INT, RESET, CI) Output Low Voltage, VOL 0.4 V IOUT = –5.0 mA, VCC = 5.75 V 0.4 V IOUT = –3.0 mA, VCC = 3.45 V High Level Output Current, IOH 0.1 100 µAV OUT = VCC RESET and CI Pulsewidth 20 45 ms (TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted) |
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