MAX366ESA+, Схема защиты одной линии, 4.5В до 36В, NSOIC-8

The MAX366ESA+ is a signal-line circuit protector in 8 pin NSOIC package. It is a two terminal circuit protectors, each circuit consists of two N-channel FETs and one P-channel FET. Each two-terminal device guards sensitive circuit components against voltages near and beyond normal supply voltages. It is used at interfaces where sensitive circuits are connected to the external world and could encounter damaging voltages (up to 35V beyond the supply rails) during power-up, power-down or fault conditions. They can protect analogue signals using either unipolar (4.5V to 36V) or bipolar (±2.25V to ±18V) power supplies. Device is voltage sensitive MOSFET transistor arrays which normally on when power is applied and normally open circuit when power is off. With ±10V supplies, on-resistance is 100 ohm max and leakage is less than 1nA at +25°C. It is used in process control systems, hot-insertion boards/systems, data acquisition systems, redundant/backup systems and ATE equipment.

• 44V maximum supply voltage rating
• Operating temperature range from -40°C to 85°C
• Contains three independent protectors
• Each protector is symmetrical
• ±40V overvoltage protection
• Automatic protection, no programming or controls
• Signal path resistance match is 7ohm(max) at TA = +25°C

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