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ADT7467ARQ-REEL Datasheet(PDF) 3 Page - ON Semiconductor |
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ADT7467ARQ-REEL Datasheet(HTML) 3 Page - ON Semiconductor |
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3 / 77 page  ADT7467 Rev. 3 | Page 3 of 77 | www.onsemi.com SPECIFICATIONS TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted. All voltages are measured with respect to GND, unless otherwise specified. Typicals are at TA = 25°C and represent the most likely parametric norm. Logic inputs accept input high voltages up to VMAX even when the device is operating down to VMIN. Timing specifications are tested at logic levels of VIL = 0.8 V for a falling edge and VIH = 2.0 V for a rising edge. SMBus timing specifications are guaranteed by design and are not production tested. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments POWER SUPPLY Supply Voltage 3.0 3.3 5.5 V Supply Current, ICC 3 mA Interface inactive, ADC active 20 μA Standby mode TEMPERATURE-TO-DIGITAL CONVERTER Local Sensor Accuracy ±1.5 °C 0°C ≤ TA ≤ 70°C −3.5 +2 °C −40°C ≤ TA ≤ +100°C −4 +2 °C −40°C ≤ TA ≤ +120°C Resolution 0.25 °C Remote Diode Sensor Accuracy ±0.5 ±1.5 °C 0°C ≤ TA ≤ 70°C; 0°C ≤ TD ≤ 120°C −3.5 +2 °C 0°C ≤ TA ≤ 105°C; 0°C ≤ TD ≤ 120°C −4.5 +2 °C −40°C ≤ TA ≤ +120°C; 0°C ≤ TD ≤ +120°C Resolution 0.25 °C Remote Sensor Source Current 6 μA First current 36 μΑ Second current 96 μΑ Third current ANALOG-TO-DIGITAL CONVERTER (INCLUDING MUX AND ATTENUATORS) Total Unadjusted Error (TUE) ±1.5 % Differential Nonlinearity (DNL) ±1 LSB 8 bits Power Supply Sensitivity ±0.1 %/V Conversion Time (Voltage Input) 11 ms Averaging enabled Conversion Time (Local Temperature) 12 ms Averaging enabled Conversion Time (Remote Temperature) 38 ms Averaging enabled Total Monitoring Cycle Time 145 ms Averaging enabled 19 ms Averaging disabled Input Resistance 40 80 100 kΩ For VCC channel 80 140 200 kΩ For all channels other than VCC FAN RPM-TO-DIGITAL CONVERTER Accuracy ±5 % 0°C ≤ TA ≤ 70°C, 3.3 V ±7 % −40°C ≤ TA ≤ +120°C, 3.3 V ±10 % −40°C ≤ TA ≤ +120°C, 5.5 V Full-Scale Count 65,535 Nominal Input RPM 109 RPM Fan count = 0xBFFF 329 RPM Fan count = 0x3FFF 5000 RPM Fan count = 0x0438 10,000 RPM Fan count = 0x021C Internal Clock Frequency 85.5 90 94.5 kHz 0°C ≤ TA ≤ 70°C, VCC = 3.3 V 83.7 90 96.3 kHz −40°C ≤ TA ≤ +120°C, VCC = 3.3 V 81 90 99 kHz −40°C ≤ TA ≤ +120°C, VCC = 5.5 V |
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