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ADM1027ARQZ-REEL Datasheet(PDF) 2 Page - ON Semiconductor |
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ADM1027ARQZ-REEL Datasheet(HTML) 2 Page - ON Semiconductor |
2 / 56 page REV. A –2– ADM1027–SPECIFICATIONS 1, 2, 3, 4 (T A = TMIN to TMAX (0 C to 105 C), VCC = VMIN to VMAX (3 V to 5.5 V), unless otherwise noted.) Parameter Min Typ Max Unit Test Conditions/Comments POWER SUPPLY Supply Voltage 3.0 3.3 5.5 V Supply Current, ICC 1.4 3 mA Interface Inactive, ADC Active TEMP-TO-DIGITAL CONVERTER Local Sensor Accuracy ± 3 oC 0 oC TA 105 oC ± 2 oC 0 oC TA 70 oC ± 1 oC TA = 40 oC Resolution 0.25 oC Remote Diode Sensor Accuracy ± 3 oC 0 oC TD 120 oC ± 1.5 oC 0 oC TD 120 oC; 0oC TA 70 oC ± 1 oC TA = 40 oC oC 0 oC TD 120 oC; T A = 40 oC Resolution 0.25 oC Remote Sensor Source Current 200 mA High Level 12 mA Low Level ANALOG-TO-DIGITAL CONVERTER (INCLUDING MUX AND ATTENUATORS) Total Unadjusted Error, TUE ± 0.5 ± 1 % All ADC Inputs except 12 V ± 1.5 % 12 V Input Differential Nonlinearity, DNL ± 1 LSB 8 Bits Power Supply Sensitivity ± 0.1 %/V Conversion Time (Voltage Input) 11.38 12.29 ms Averaging Enabled Conversion Time (Local Temperature) 12.09 13.05 ms Averaging Enabled Conversion Time (Remote Temperature) 25.59 27.64 ms Averaging Enabled Total Monitoring Cycle Time 120.17 129.78 ms Averaging Enabled Total Monitoring Cycle Time 13.51 14.59 ms Averaging Disabled Input Resistance 80 140 250 k FAN RPM-TO-DIGITAL CONVERTER Accuracy ± 6 % 0 oC TA 70 oC ± 8 % 3.0 V VCC 3.6 V Full-Scale Count 65,535 Nominal Input RPM 109 RPM Fan Count = 0xBFFF 329 RPM Fan Count = 0x3FFF 5,000 RPM Fan Count = 0x0438 10,000 RPM Fan Count = 0x021C Internal Clock Frequency 82.8 90 97.2 kHz OPEN-DRAIN DIGITAL OUTPUTS, PWM1–PWM3, XTO Current Sink, IOL 8.0 mA Output Low Voltage, VOL 0.4 V IOUT = –8.0 mA, VCC = 3.3 V High Level Output Current, IOH 0.1 1 mA VOUT = VCC Rev. 3 | Page 2 of 56 | www.onsemi.com |
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