A fast, low-power comparator for industrial and portable sensing
The MAX9075EXK+T is a single general-purpose comparator with a push-pull, rail-to-rail output stage. It has a 580ns propagation delay and a maximum quiescent current of 6.6µA.
580ns propagation delay — what it means for your loop response
The 580ns maximum propagation delay sets the upper bandwidth for the comparator in control or signal-conditioning loops.
6.6µA quiescent current — the battery-life trade-off
At 6.6µA max, the MAX9075EXK+T draws less than many discrete op-amp comparators. This makes it a candidate for always-on sense circuits — battery voltage monitors, tamper detects, or wake-up comparators — where the quiescent draw directly sets the sleep-mode endurance. The speed-versus-power trade-off is the main selection axis here: a slower, 1µA comparator would extend battery life further, but would miss fast transients that this part catches.
Rail-to-rail output and CMRR/PSRR — noise immunity in practice
The push-pull rail-to-rail output drives CMOS logic inputs directly, saving the external pull-up resistor that open-drain comparators require. Typical CMRR of 82dB and PSRR of 77dB mean the threshold voltage stays accurate despite ground bounce or supply ripple — relevant in motor-drive or switched-mode supply sensing where the supply rail is noisy.
Industrial temperature grade and package
Rated for -40°C to 85°C operation, the part is suited for outdoor telecom, factory-floor sensors, and automotive cabin environments. The SC-70-5 package (also footprint-compatible with SOT-353) fits dense layouts and is a common size for portable or module designs. The tape-and-reel option (TR suffix) is the standard production reel.
Lifecycle and sourcing
The MAX9075EXK+T carries an active lifecycle status and is ROHS3 compliant.