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IRDM982 Fiches technique(PDF) 16 Page - International Rectifier |
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IRDM982 Fiches technique(HTML) 16 Page - International Rectifier |
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16 / 27 page ![]() IRDM982 Series 16 www.irf.com © 2015 International Rectifier April 8, 2015 The following Figures show the VSP input mapping, the Hall sensor input circuit, and the ISENSE pin input filter circuit. 100% (ADC=511) 0% (ADC=199) 2.1V 5.4V VSP VMOD 6.0V Figure 12 VSP Range and Thresholds HALL1,2,3+ 900kohm 900kohm 1.8pF HALL1,2,3- High Gain OP amp Hysteresis comparator Hyst: 75 mV typ Gain: 80dB typ Figure 13 Hall sensor input circuit Super Clamp ESD diode High Side PWM Off/Low side all on or PWM all off Dynamic threshold Hardware comparator COM VSS VCC 25kW 25kW 25k W 25kW 5V zener 500K 2pF Figure 14 COM pin current limit comparator and analog filter |
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