DG408DYZ

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The DG408DYZ is an 8-channel analog multiplexer/demultiplexer designed for high-speed signal switching and signal routing applications. It is a logic-compatible analog signal switch that is capable of expanding the number of available digital input/output ports on a device by providing a muxing/demuxing capability. The DG408DYZ operates from a single 3.3V supply and utilizes low-voltage CMOS devices for reduced power consumption. It contains eight switches, each of which can select either one of two analog inputs (IN1 and IN2) and route either one of these inputs or the NO (non-operational) input to an output. The analog voltage range of the DG408DYZ is guaranteed between -2.5V and Vcc+2.5V with a -1.5 μA bias current. The use of a low-impedance CMOS process ensures high speed switching and low distortion characteristics.

The DG408DYZ has two analog inputs (IN1 and IN2) and one No (non-operational) input. The No input is used to disable the switch. When No is enabled, the signal present at the No input is used as the output. The two inputs are controlled by the two sets of four digital control signals. Each set of control signals is used to select one of the switches. The individual control digital signals (A0 – A3 and B0 – B3) are active-low. If a signal is logically high, it indicates that the switch corresponding to it is not selected. If the signal is logically low, it indicates that the switch corresponding to it is selected.

The DG408DYZ is designed for high-speed switching and signal routing applications. It is well suited for use in multiplexer/demultiplexer networks, where time-multiplexed signal switching is required. The chip can also be used in analog signal routing networks and as a logic-compatible analog switch. The DG408DYZ is particularly suitable for applications where low on-resistance, low power operation, and high-speed performance are the primary design considerations.

The DG408DYZ is available in 8-lead SOIC and 8-lead PDIP packages. The PDIP package is open-drain, making it a great choice for interfacing with logic circuits. The SOIC package offers improved performance and reduced power consumption. Both packages feature an on-chip logic system that can be used to trigger interrupts and other advanced features.

The DG408DYZ has two modes of operation: low-impedance mode and high-impedance mode. In low-impedance mode, the device controls the flow of conducted current through the switch and the input signals are routed to the selected output. In high-impedance mode, the device becomes a high-impedance analog switch, which can be used to prevent current flow through an unused channel. The DG408DYZ has additional features, such as power-down mode, which allows the device to enter a low-power state when not in use and an enable/disable control pin, which allows the device to be completely turned off when not needed.

The DG408DYZ can be used for a wide variety of high-performance signal routing applications. It is well suited for use in analog filtering networks, low-noise signal switching, audio and video switching, data acquisition systems, and motor control systems, among other applications. Its small size, low power consumption, and high-speed switching make it an ideal solution for these types of applications.

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