DG405AK

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The DG405AK is an application specific analog switch designed for use in low-noise, high-performance signal switching applications. This device is a four-channel, first-in/first-out (FIFO) input and output switch, providing transparent switching between two banks of four signals, with FIFO control logic and non-volatile memory. The DG405AK offers a switch-time of 8 ns, with an on-resistance of 75Ω.

The DG405AK is a member of the DG series of analog switches, multiplexers and demultiplexers from Analog Devices. This family of devices offers a wide range of switching and multiplexing solutions, from low-capacitance CMOS switches to rugged, high speed GaAs switches.

The DG405AK is ideally suited for low-noise signal switching applications, particularly those in which close control over the signal switching is required. The FIFO structure of the DG405AK allows for user control of the order in which input signals are switched to the output, thus reducing instantaneous load on each output channel. The device also features a nonvolatile memory, which stores switch states and data between power cycles, making this an ideal solution for applications where long-term data storage is required.

The DG405AK operates using a single 5 V supply, and features selectable output current limiting for protection against output short-circuits. The device also features an active LOW chip enable input, allowing the user to control which channels are active and which are disabled.

The DG405AK incorporates an internal logic core that handles control and data flow. When using the chip enable input, the logic core will respond to external control signals and switch the appropriate signals to the desired output channel. This control logic is highly programmable, allowing the user to configure the channel settings according to their application requirements.

In addition to providing a low-noise, high-performance switching solution, the DG405AK also offers excellent EMI and radiation protection, as well as excellent reliability and extended temperature range operation. The device is also RoHS compliant, making it suitable for use in all applications requiring RoHS compliance.

Overall, the DG405AK from Analog Devices is an ideal solution for a wide variety of low-noise signaling applications, offering excellent control, extended temperature range operation, and RoHS compliance. The device is available in a 14-pin DIP or SOIC package, and is fully compatible with all industry standard switching products.

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