DG405CY

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The DG405CY is a high performance 8-channel analog multiplexer/demultiplexer offering superior performance, low on resistance and low leakage current. The device is designed using advanced CMOS semiconductor processes, which allows it to offer superior power dissipation and dielectric strength due to its features, particularly in high temperature environments. The DG405CY provides excellent on-resistance over its full temperature range, with a typical value of 4 ohms for 500mA of continuous current. In addition, it provides very low piezo-resistance and low leakage currents, enabling high speed switching speeds.

The DG405CY is designed to provide reliable high speed switching as needed in a wide range of applications, including audio, video, and optical communication systems. It is ideal for high data rate applications where one of more analog signals must be rapidly switched between multiple paths. The device is catered to low power applications, using the amplitude threshold feature, the device can operate in low power mode and the signal will be transmitted to the intended destination without degrading its integrity.

In addition, the DG405CY is designed with low signal skew, meaning that all of the internal switches (Channel 1 ~ 8) operate with equal signal delays. This feature is ideal for systems requiring signals with very low signal skew, such as high speed equalizer circuits, buffering and signal density applications and signal processing systems.

The working principle of the DG405CY is based on a single pole 4-throw (SP4T) switch concept. There are 8 channels that can be selected from the control section. By selecting the desired channel from the control section, the signal will be transmitted from one of the three switch channels to the designated channel. The channel selection is made through the use of a CMOS logic input signal which can be controlled via software or hardware. The channel selection is based on a latch structure which is performed by applying logic ‘1’ signals.

The DG405CY can also be operated in analog mode, which allows for more control in the signal selection and output. The analog mode allows for local control of the logic input without the use of the CMOS logic signal. The analog control is represented by a control voltage applied to the analog input terminals. By increasing the control voltage, the switching threshold voltage is increased which causes the switching speed to decrease and results in a slower switching process.

In summary, the DG405CY is an extremely versatile analog multiplexer/demultiplexer option for various applications. The device is capable of switching multiple analog signals at high speeds with low signal skew and low power consumption. It is highly reliable, making it an ideal solution for high performance applications in audio, video, and optical communications systems.

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