MAX4639EUE+T

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The MAX4639EUE+T is an analog switch, multiplexer, and demultiplexer device that works reliably at high frequencies. The device includes four single-pole/double-throw (SPDT) and two double-pole/double-throw (DPDT) switches, as well as two single-pole/single-throw (SPST) switches. The MAX4639EUE+T provides low on-resistance, exceptional off-isolation—even at high frequencies—low power consumption, and low distortions for precision analog signals. All switches are externally protected by independent ESD protection diodes.

The MAX4639EUE+T is designed to operate from a 3V to 16V power supply. Operating from a single supply, the switches can be used to switch signals from 0V to VCC. Also, it is possible to fully isolate a signal from VCC using its ESD protect diodes as long as VCC stays within the specified power supply range. In multiplexer or demultiplexer mode, both the common and differential signals of the switches remain at different voltages up to VCC.

The switching speed and on-resistance of the MAX4639EUE+T is determined by an external capacitor connected between the CTRL and GND pins. The on-resistance specified is typical and is measured at VCC = 10V and 25℃. The on-resistance decreases as the supply voltage decreases and increases as the supply voltage increases.

The MAX4639EUE+T is a versatile device that can be used for signal switching in a variety of applications. It can be used for signal routing, signal conditioning, signal buffering, and gain control. It can also be used in power monitor/control circuits, such as battery-powered systems and AC or DC power monitoring applications.

In addition, the MAX4639EUE+T can be used in application areas such as audio equipment, instruments, and communication systems. In audio equipment, the device can be used for switching multiple audio signals. In communication systems, it can be used for signal routing and signal buffering in cellular phones, wireless devices, and base station equipment.

The working principle of the MAX4639EUE+T is based on the MOSFET switches. The internal MOSFET switches provide excellent on-off isolation as well as low on-resistance. The device also has a controlled charge injection that minimizes clicks and pops when the switch transitions from the off state to the on state. The switches are controlled by an external capacitor connected between the CTRL and GND pins. The CONTROL pin is used to select the desired switch. The ON/OFF state of the switches is controlled by the voltage applied to the CONTROL pin.

The MAX4639EUE+T is rated to handle 15V on its control pins and 100mV on its output pins. The maximum allowable power consumption is 1.2mA while operating at VCC = 10V. The device exhibits nearly zero distortion over the entire audio frequency range and has a wide frequency range up to 1.5GHz. The device is also ESD protected and has surge current protection for all pins.

The MAX4639EUE+T provides reliable performance and accurate control of analog signals. Its wide frequency range and low distortion make it an ideal solution for a variety of high-frequency applications. The device can be used for signal switching, signal routing, signal conditioning, and gain control in many application areas. Its ESD protection and surge current protection make it ideal for use in portable and wireless applications.

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