MAX334CWE

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The MAX334CWE are low-voltage, single-pole/single-throw (SPST), analog switches from Maxim Integrated. They are designed for high performance in high-voltage applications such as optical fiber networks and fiber-optics systems. This switch is rated for operation from -40°C to +85°C.

Applications

The MAX334CWE switch is ideal for controlling signals between optoelectronic devices, such as optical transmitters and receivers, in networking applications. It can also be used in a wide range of other analog, RF, digital, and logic signals. The MAX334CWE can be used in systems such as medical-diagnostic equipment, automotive electronics, and telecom systems.

Working Principle

The MAX334CWE switch is a low signal-sensing, single-pole/single-throw (SPST) analog switch. It features a Break-Before-Make (BBM) contact configuration and low “off” contact resistance. The signal sensed by the MAX334CWE is a differential voltage from the switch inputs. When the differential voltage is greater than 40 mV, the switch is closed and the signal is passed through. These switches have low “off” resistance so that little signal is lost when the switch is in the “off” state.

The MAX334CWE also includes protection against static discharge. The chip has ESD protection on the switches, DIN, and VDD pins. The MAX334CWE is also protected from excessive currents, even when the switch is on, to prevent short circuits.

Conclusion

The MAX334CWE is an ultra-low voltage switch designed for use in high-voltage applications such as fiber networks and fiber-optic systems. It features a Break-Before-Make (BBM) contact configuration and low “off” contact resistance. The MAX334CWE is also immune to static discharge and protects against excessive currents. These features make the MAX334CWE a great choice for controlling signals between optoelectronic devices, in networking applications, and a variety of different systems.

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