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MAX918ESA+
Analogue Comparator, Beyond-the-Rails, Nanopower, 1 Comparator, 1.8V to 5.5V, NSOIC, 8 Pins
產品總覽
The MAX918ESA+ from Maxim Integrated Products is a nanopower, beyond the rails comparator with reference in 8 pin NSOIC package. This device has beyond the rails inputs and it operates down to +1.8V. The MAX918 has onboard 1.245V ±1.5% reference and draws an ultra low supply current of only 750nA. This feature makes this device as ideal for all 2 cell battery applications including monitoring/management. The unique design of the output stage limits supply current surges while switching, virtually eliminating supply glitches typical of many other comparators. This design also minimizes overall power consumption under dynamic conditions. The MAX918 has an open-drain output stage that makes it suitable for mixed voltage system design. It is typically used in ultra low power systems, mobile communications, notebooks and PDAs, threshold detectors/discriminators, sensing at ground or supply line, telemetry and remote systems, medical instruments.
- Supply voltage range from 1.8V to 5.5V, supply current of 0.80µA at TA = +25°C, VCC = 5V
- Operating temperature range from -40°C to 85°C
- Input voltage range extends 200mV beyond the rails
- Crowbar current free switching
- Internal hysteresis for clean switching
- No phase reversal for overdriven inputs
- Input offset voltage of 1mV at TA = +25°C
- Power supply rejection ratio of 0.1mV/V (VCC = 1.8V to 5.5V)
- High to low propagation delay of 22µs and low to high propagation delay of 120µs (VCC = 5V)
- Input bias current of 0.15nA at TA = +25°C
應用
Signal Processing, Consumer Electronics, Portable Devices, Medical
產品訊息
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