DG413FDY+T

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An analog switch is an electronic switch for connecting and disconnecting analog signal paths. The DG413FDY+T is a quad single-pole double-throw (SPDT) CMOS analog switch from TI. Unlike mechanical switches, the DG413FDY+T can provide very low on-state resistance and wide signal-handling range.

The DG413FDY+T is suitable for analog and digital switching applications in various industrial, aerospace, and consumer systems. It is based on CMOS technology that works on 1.8V and 5.5V single power supplies, thereby making it an energy-efficient option. It can handle signals up to 17 dBm power level, and being a CMOS device, it can be controlled through both digital and analog signals.

The DG413FDY+T switch contains four independent SPST switches, each with a common input and two outputs. It measures 6-pin (SOT-363) in size and features an on-resistance of 0.65 Ω across all four channels and a low power-off leakage current of ± 200 nA. It also has a fast turn-on time of 7 ns and a fast turn-off time of 10 ns.

The working principle of the DG413FDY+Tis quite simple. When the switch is turned on, the current flows through the switch and connects the two outputs. When the switch is turned off, the connection between the two outputs is broken and the current no longer flows. The switching is controlled by an external voltage or logic signal applied to the control terminal.

The DG413FDY+T is suitable for a wide range of applications, including RF and IF power amplifiers, power supply switchovers, high and low impedance switchover, and multiplexers. These switches are best suited for applications requiring high-frequency, low-noise, and low-power diagnostics. They are also a great option for sampling systems, analog-to-digital converters, LCD sensors and other switched-capacitor circuits.

The DG413FDY+T is an ideal choice for analog and digital switching requirements and offers superior performance when compared to other analog switches. It is an energy-efficient and cost-effective solution that is designed to meet the needs of various industrial, aerospace, and consumer applications.

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