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Texas Instruments AMC22C11/AMC22C11-Q1 Isolated Comparator is an isolated comparator with a short response time. The open-drain output is separated from the input circuitry by an isolation barrier. The barrier is highly resistant to magnetic interference. It is certified to provide galvanic isolation of up to 3kVRMS according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577. It supports a working voltage of up to 560VRMS. The trip threshold is adjustable from 20mV to 450mV in low-hysteresis mode. It is also adjustable from 600mV to 2.7V in high-hysteresis mode through a single external resistor.
The open-drain output on the device supports transparent mode (LATCH input tied to GND2), where the output follows the input state, or latch mode, where the output is cleared on the falling edge of the latch input signal. The Texas Instruments AMC22C11/AMC22C11-Q1 is available in an 8-pin SOIC package and is specified over the full automotive temperature range of –40°C to +125°C. The AMC22C11-Q1 devices are AEC-Q100 qualified for automotive applications.
