DG212BDQ-E3

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The DG212BDQ-E3 integrated circuit is an analog switch device offered by Analog Devices Inc. It is an active-low, quad 2-input mux/demux, made up of four individual analog switches with an onboard TTL-compatible logic interface for control. The integrated circuit comes in a 14-pin DIP package, making it simple to integrate into your design, and with its low power CMOS technology, it dissipates less than 100mW of power when powering up.

Application Field

The DG212BDQ-E3 is designed for a wide variety of roles, ranging from analog signal switching to audio signal routing, RF signal switching and digital logic switching. More specifically, the integrated circuit is ideal for impedance matching, logic interconnection and impedance bridging applications within communication systems. It is also useful for switching audio signals, and is especially suited to applications that require a fast data rate and low power consumption, such as in voice-over-IP (VoIP). Furthermore, the analog switches can be used to enable or disable analog signals in a variety of applications.

Working Principle

The working principle of the DG212BDQ-E3 is quite simple. It is based on the transfer of logic levels from its TTL-compatible logic interface to the four individual analog switches. When the logic inputs on the left side of the integrated circuit are activated, the corresponding analog input is routed to the corresponding analog output. This makes the process of switching analog signals straightforward, as all the switching is controlled by the logic signals. The integrated circuit can also be powered down when not in use, allowing it to conserve power while not in use.

Conclusion

In conclusion, the DG212BDQ-E3 analog switches offer a highly reliable, low power solution for various analog signal switching, logic interconnection, impedance bridging and audio signal routing applications. With its 14-pin DIP package, the integrated circuit is easy to integrate into any design, making it perfect for a variety of applications. Furthermore, the active-low logic levels offer fast signal transfer, ensuring that signals are quickly and reliably routed from the analog inputs to the analog outputs.

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