DG408LEDN-T1-GE4

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DG408 LEDN-T1-GE4 is an analog switch integrated circuit (IC), which belongs to the interface category. It is generally used to interconnect different signal source parts beyond the electric circuit, to achieve better performance and power saving. This part is especially suitable for mobile and consumer electronics applications.

What It Is

The DG408 LEDN-T1-GE4 is a low-power, single-pole, four-throw analog switch. It is designed to offer low insertion loss and low on-capacitance, making it ideal for a variety of applications. Additionally, it features low resistance and can withstands up to +12V of power supply voltage. Its operating temperature range is -40°C to +85°C.

Applications

The DG408 LEDN-T1-GE4 is suitable in a wide range of applications such as power management, digital to analog and analog to digital converters, data acquistion systems and other RF systems. It can also be used as a control switch in power amplifiers, radar systems, automotive infotainment and automation systems.

Features

The DG408 LEDN-T1-GE4 analog switch has low on-resistance and low on-capacitance, which increases its speed and reliability. The on-resistance is typically <1.2 ohm and the on-capacitance is typically 11pF. This circuit has an active low enable pin and an internal pull-up resistor. It operates from a +2.5 to +12V single power supply and is available in two package sizes, the 8-lead SOIC and 8-lead MSOP.

Working Principle

The DG408 LEDN-T1-GE4 switch works in a similar way as other analog switches. The external electrical signals are received on the four input pins. If a low voltage is applied to the enable pin, then the specified input signal is connected to the output pin by closing the respective switch. If a high voltage is applied to the enable pin, then the respective switch is open and no signals are allowed to pass through.

The function of this part can be enhanced by using an external diode in conjunction with the enable pin. This diode prevents the leakage of current, when the enable pin voltage is transitioned from high to low and vice versa, resulting in better performance. Overall, the DG408 LEDN-T1-GE4 is an ideal choice for RF and consumer applications.

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