Features: `Quiescent Current: 5A Typ`Outputs Swing Rail-to-Rail`Low Op Amp Offset Voltage: 700V Max`Reference Output Drives 0.01F Capacitor`Internal 1.2V ±0.4% Reference Output (LTC1541)`Low Input Bias Current: 1nA Max`Reference Output Can Source Up to 2mA`Internal ±3mV Comparator Hysteresis`Compa...
LTC1542: Features: `Quiescent Current: 5A Typ`Outputs Swing Rail-to-Rail`Low Op Amp Offset Voltage: 700V Max`Reference Output Drives 0.01F Capacitor`Internal 1.2V ±0.4% Reference Output (LTC1541)`Low Input B...
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The LTC®1541/LTC1542 combine a micropower amplifier, comparator and bandgap reference (LTC1541) in an 8-pin package. The part operates from a single 2.5V to 12.6V or dual ±1.25V to ±6.3V supply with a typical supply current of 5mA. Both the op amp and comparator feature a common mode input voltage range that extends from the negative supply to within 1.3V of the positive supply. The op amp output stage swings from rail-to-rail. The comparator's inverting input is internally connected to the reference output (LTC1541).
The reference output voltage is 1.2V ±1% over the extended temperature range. The output can drive a bypass capacitor of up to 0.01mF without any oscillations. It can also source up to 2mA and sink up to 20A.
The op amp is internally compensated to be unity-gain stable with typical GBW at 12kHz and slew rate of 8V/ms. The comparator has ±3mV of internal hysteresis to ensure clean output switching, even with slow moving input signals.
The LTC1541/LTC1542 are available in MSOP and SO-8 packages.