MAX9020EKA+T

The MAX9020EKA+T is a dual precision nanopower comparator without reference in 8 pin SOT-23 package. It has beyond the rails inputs and operates down to 1.8V. An ultra low supply current of 0.85μA makes the MAX9020 as ideal device for all 2 cell battery monitoring/management applications. The unique design of output stage limits supply current surges while switching which virtually eliminates the supply glitches typical of many other comparators. This design also minimizes overall power consumption under dynamic conditions. The MAX9020 has an open-drain output stage that makes it suitable for mixed voltage system design. It is typically used in ultra low power systems, threshold detectors/discriminators, window detectors, telemetry and remote systems, sensing at ground or supply line.

• Supply voltage range from 1.8V to 5.5V
• Operating temperature range from -40°C to 85°C
• Input voltage range extends 200mV beyond the rails
• Crowbar current free switching
• No phase reversal for overdriven inputs
• Internal 4mV hysteresis for clean switching
• Power supply rejection ratio (PSRR) of 0.1mV/V at VCC = 1.8V to 5.5V
• High to low propagation delay of 7μs at VCC = 1.8V and 6μs at VCC = 5V
• Low to high propagation delay of 12μs at VCC = 1.8V and 31μs at VCC = 5V

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