DG408LEDY-T1-GE3

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The DG408LEDY-T1-GE3 is an integrated analog switch and multiplexer chip, specifically designed to channel and combine signals in high-performance analog applications.The chip is comprised of four, independently-controlled SPST analog switches, an 8-to-1 mux and de-mux, and a reference amplifier. The chip is packaged in a 28-pinPQFN surface mount complaint format.

The SPST switches are enabled/disabled by a low/high signal level applied to their input control signal. This can be used to close/open either of the two signal inputs and to direct the flow of the signal. The output signal will be repeatable and have low distortion when switching from one input signal to another. The analog integrated switch and mux/demux functions supplied by the DG408LEDY-T1-GE3 can be used for signal routing in a variety of applications, including but not limited to Audio, Video, RF communications, instrumentation/control and measuring/detecting devices.

The following sections provide an overview of the flexibility and performance of the DG408LEDY-T1-GE3 chip, its applications for analog signal flow and its working principle.

Application Fields

The DG408LEDY-T1-GE3 chip enables the control of 4 independent analog signal inputs, with excellent precision and repeatability. The 4 analog switch inputs can be switched at frequencies of up to dozens of kilohertz. This makes the DG408LEDY-T1-GE3 ideal for applications where high-frequency signals require switching with minimal distortion, such as audio and video signal routing.

The integrated mux/demux with the DG408LEDY-T1-GE3 can be used for signal routing in a variety of applications. It provides 8-way multiplexing for each of the analog inputs, enabling effective signal processing in applications such as robotic control, digital signal processors, low-power instrumentation systems, and audio and video processing.

The chip also includes a reference amplifier, with the capability of accurately amplifying signals across a wide range of frequencies. This makes it particularly useful for low-power instrumentation systems, allowing the accurate and repeatable conversion of analog signals into digital equivalents.

Working Principle

The DG408LEDY-T1-GE3 chip consists of four independently-controlled SPST analog switches. These switches are enabled/disabled by a low/high signal level applied to its input control signal. This can be used to close/open either of the two signal inputs and to direct the flow of the signal. The output signal will be repeatable and have low distortion when switching from one input signal to another.

The 8-way multiplexing capabilities of the chip work by routing 4 sets of 2-way multiplexers. Each of these multiplexers has two sets of inputs, with one set having a selectable output feed. This allows multiple sets of signals to be routed between single sets of inputs, thereby decreasing the load on the power supply and providing more flexibility when routing signals.

The chip also includes a reference amplifier, with the capability of accurately amplifying signals across a wide range of frequencies. This is achieved by applying bias voltages to the integrated amplifier, so as to precisely control the gain of the amplifier.

The DG408LEDY-T1-GE3 chip is an excellent choice for precise analog signals routing and multiplexing, due to its high-performance design and precise ADC capabilities. The chip’s base performance enables analog signal routing between multiple circuits and precise amplification of accurate analog signals. This makes it an outstanding choice for audio, video, RF communications, instrumentation/control and measuring/detecting applications.

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