AD8145Data SheetParameterConditionsMinTypMaxUnit COMPARATOR PERFORMANCE VOH RL = 1 kΩ 3.205 3.310 V AD8145W only, TMIN to TMAX 2.950 V VOL RL = 1 kΩ 0.390 0.420 V AD8145W only, TMIN to TMAX 0.440 V Input Offset Voltage ±2.5 mV Hysteresis Width 18 mV Input Bias Current 1.5 µA Propagation Delay, tPLH 6 ns Propagation Delay, tPHL 6 ns Rise Time 10% to 90% 6 ns Fall Time 10% to 90% 2 ns POWER-DOWN PERFORMANCE Power-Down VIH VS+ − 1.65 V Power-Down VIL VS+ − 2.65 V Power-Down IIH 0.5 µA Power-Down IIL −250 µA Power-Down Assert Time 1 µs POWER SUPPLY Operating Range 4.5 11 V Quiescent Current, Positive Supply 48.5 57.5 mA AD8145W only, TMIN to TMAX 70 mA Disabled 16 19.5 mA AD8145W only, TMIN to TMAX 25 mA Quiescent Current, Negative Supply −52 −43.5 mA AD8145W only, TMIN to TMAX −65 mA Disabled −13.9 −11 mA AD8145W only, TMIN to TMAX −20 mA PSRR, Positive Supply DC −79 −70 dB AD8145W only, TMIN to TMAX −66 dB PSRR, Negative Supply DC −68 −57 dB AD8145W only, TMIN to TMAX −54 dB Rev. B | Page 4 of 21 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION OVERVIEW BASIC CLOSED-LOOP GAIN CONFIGURATIONS TERMINATING THE INPUT INPUT CLAMPING PCB LAYOUT CONSIDERATIONS Minimizing Parasitic Feedback Reactances Maximizing Heat Removal DRIVING A CAPACITIVE LOAD POWER-DOWN COMPARATORS SYNC PULSE EXTRACTION USING COMPARATORS OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS
