MAX4736EGC+

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The MAX4736EGC+ is a dual-channel, ultra-low-voltage, single-pole, double-throw (SPDT) analog switch that operates from both 1.8V and 3.3V supplies. It targets analog signal-switching applications with its low-voltage operation and ultra-low power consumption of only 3.5nA. This makes it suitable for battery-powered applications, including handheld and mobile end-applications.

The device features two independent SPDT switches with logic-level control and zero-volt detection for 25kΩ signal-bloc contacts over the full -0.3 to 5V signal range. The switches also feature a 500V ESD rating on signal pins and a 1A continuous current-carrying capability, which makes it suitable for a variety of applications.

The MAX4736EGC+ is ideal for analog signal-routing, multiplexing, and signal-blocking applications, such as those found in LED or LCD displays, or audio signal-routing. It is also suitable for power-or-ground bus switching or radio-frequency (RF) signal-routing. The device is available in an 8-pin 2mmx2mm Thin Fine Pitch Quad Flat No-Lead (TQFN) package.

Working Principle

The MAX4736EGC+ features dual-channel SPDT switches with logic-level control. The switches are controlled by two logic inputs (S0 and S1) and can be connected in a single-pole, double-throw (SPDT) configuration. When the select input (S0) is low, the switch connects the “A” side of the switch to the “B” side. When the select input (S1) is high, the switch connects the “A” side to the “C” side. If both inputs are high or low, the switch is off.

The device also features zero-volt detection, which is used to detect when the switch has been in the closed position for an extended period and to perform a power-on reset of the switch. The zero-volt detection monitor is designed to reduce the power consumption of the devices when the switch has been in the closed position for an extended period of time. This feature reduces the overall system power requirement and prolongs battery life.

The MAX4736EGC+ is designed to switch any type of signals with a maximum voltage of 5V. It can switch high-impedance signals up to 25kΩ for signal-blocking applications. The switches are also capable of carrying 1A of continuous current, making them suitable for power-switch applications.

The device features an ESD rating of 500V on the signal pins and is designed to be used with a minimum supply voltage of 1.8V. This, combined with its ultra-low power consumption and tiny 8-pin 2mmx2mm package make it suitable for mobile and battery-powered applications, such as mobile phones or tablets.

Applications

The MAX4736EGC+ is suitable for a variety of analog signal-switching applications. Some examples include switching signals in LED or LCD displays, audio signal-routing, power-or-ground bus switching, RF signal-routing and signal-blocking applications. It is also suitable for mobile and battery-powered applications, such as in mobile phones or tablets.

The device is also ideal for analog signal-routing and multiplexing applications. It can be used to switch signals between multiple inputs and a single output, which is useful for delivering signals to multiple destinations or combining multiple signals into a single output. The device is also suitable for SPDT switch substitution in interface applications.

The MAX4736EGC+ is designed to be used with a minimum operating voltage of 1.8V and an ultra-low power consumption of only 3.5nA. This makes it suitable for applications that require low-voltage operation and minimal power consumption, such as in handheld or mobile end-applications.

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