MAX361CSE+T

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Analog switches, multiplexers, and demultiplexers are integrated circuits that are available in multiple configurations to improve signal performance. The MAX361CSE+T (Triac Control Switch) is a single-pole/double-throw (SPDT) analog switch suitable for controlling output signal levels in a wide range of applications, including industrial, telecom, datacom, and industrial control systems. This device operates with independent triac control/select and zero-voltage switching for high reliability and repeatability.

MAX361CSE+T Features:

• Independent triac select and zero-voltage switching
• Low ON-resistance: 6Ω max at +25°C
• High current handling: 2A peak
• Operates at +4.2V to +20V supply voltage range
• 6μA (max) current draw at +20V supply

MAX361CSE+T Application Field

The MAX361CSE+T\'s triac control/select and zero-voltage switching makes it ideal for high-reliability and repeatability as well as providing higher current and lower resistance than in previous solutions. Its high current handling capacity (2A peak) and low ON-resistance (6Ω max) make it suitable for use in a wide range of applications, including industrial, telecom, datacom, and industrial control systems.

The device is also well-suited for DC/AC switching applications due to its wide operating voltage range (4.2V to 20V) and low current draw (6μA max) at 20V supply. Additionally, its built-in charge pump allows for operation at low supply voltages (2.5V min) and its noise immunity makes it suitable for automotive applications where noise filtering is necessary.

MAX361CSE+T Working Principle

The MAX361CSE+T operates through the connection of two terminals, select and triac control. The device first provides a relatively large current to the SELECT pin, acting as a current source. This current normally keeps the SELECT pin at a voltage of +20V, turning the output transistor OFF. When the triac control pin is energized, the output transistor is toggled and the switch is activated.

The output voltage of the MAX361CSE+T is determined by the voltage at the SELECT pin. When this voltage is below +20V, the output transistor is turned ON and the switch is activated. As the voltage at the SELECT pin increases, the output transistor is turned OFF and the switch is deactivated. By controlling the voltage at the SELECT pin, it\'s possible to achieve a wide range of on/off activation with the MAX361CSE+T.

Conclusion

The MAX361CSE+T is a single-pole/double-throw (SPDT) analog switch suitable for controlling output signal levels in a wide range of applications, including industrial, telecom, datacom, and industrial control systems. Its triac control/select and zero-voltage switching provide high reliability and repeatability, while its high current handling capacity (2A peak) and low ON-resistance (6Ω max) make it suitable for a variety of applications. Additionally, its wide operating voltage range (4.2V-20V) and built-in charge pump allow for operation at low supply voltages (2.5V min) and its noise immunity makes it suitable for automotive applications where noise filtering is necessary.

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