DG419DY-T1-E3

DG419DY-T1-E3 Application Field

The DG419DY-T1-E3 is an 8-channel dual-design digital analog switch component that is designed for low-power operation and interface isolation in analog signal-processing applications. It is most frequently used in RF, audio, and mixed-signal applications that require low on-resistance and low channel-to-channel crosstalk. This component supports a wide range of configurations from a single analog switch to a 16-channel multiplexer/demultiplexer. It has excellent characteristics for audio, video, and telecom applications.

Typical applications for this component include RFI/EMI-resistant switching interfaces, remote sensing and control applications, data, audio, and voice services, video switching, and automated test equipment. This component is also used in consumer, telecommunications, aerospace and military, industrial, and medical applications.

DG419DY-T1-E3 Working Principle

The DG419DY-T1-E3 digital analog switch component contains two integrated switches that operate independently. Each digital input is connected to a complementary set of switches to provide both digital and analog signal control. The component is designed to minimize crosstalk between channels and minimize the effects of capacitive loading and the introduction of nonlinearities that are associated with some applications.

To turn on the switch, the digital inputs must be asserted and a transition must be detected at the threshold voltage (VT). Once the switch is turned on, it will remain on until power is removed or until the switch\'s enable/disable (EN) pin is asserted to turn off the switch. The enable/disable pin can also be used to sequence the switching process for multiprocess applications.

The DG419DY-T1-E3 has a low off-state leakage current, which eliminates the need for tail current regulators, and an on-resistance of typically 0.8 Ω. This low on-resistance results in the minimal loss of signal fidelity and helps ensure that the digital and analog signals passing through the switch remain true to the source.

Conclusion

The DG419DY-T1-E3 is an 8-channel dual-design digital analog switch component that is designed for low-power operation and interface isolation in analog signal-processing applications. It is most frequently used in RF, audio, and mixed-signal applications that require low on-resistance and low channel-to-channel crosstalk and is suitable for RFI/EMI-resistant switching interfaces, remote sensing and control applications, data, audio, and voice services, video switching, and automated test equipment. The switch is controlled by a digital input, which must be asserted and a transition must be detected at the threshold voltage (VT) to turn on the switch. The DG419DY-T1-E3 should be considered for applications requiring high-performance signals with minimal crosstalk.