DG9415DQ-T1-E3

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The DG9415DQ-T1-E3 is a type of analog switch, multiplexer, and demultiplexer. This integrated circuit allows for the connection or disconnection of multiple analog signals with just a single control input.

The DG9415DQ-T1-E3 has four independent channels with typically 70 dB of crosstalk isolation, and can be used in applications ranging from audio system to telecommunication systems. It has an on resistance (R_ON) of up to 4Ω, making it well suited for high switch currents. This IC is resistant to ESD and fast turn-on time.

The DG9415DQ-T1-E3 has a wide operating voltage range of 1.8 V to 5.5 V and a low standby current draw of 0.4 µA for greater power savings. This IC is also capable of operating at temperatures from -40°C to +85°C.

The DG9415DQ-T1-E3 features an ESD protection of 2 kV for the inputs, which allows the use of this IC in harsh industrial environments and consumer products that come in contact with the human body. It has an integrated power FET switch, eliminating the need for an external power switch.

Working Principle

The DG9415DQ-T1-E3 works by allowing current to pass through one of the four channels. To do this, each on-resistor has to be activated by a logic input. When the logic input is a high logic level, current will pass through the on-resistor of the single channel to ground and the multiplexer will connect the input with the output. When the logic input is a low logic level, current will not flow and the multiplexer is disconnected.

The DG9415DQ-T1-E3 is controlled by a single control input such as an external Microcontroller (MCU), Field Programmable Gate Array (FPGA), or Digital Signal Processor (DSP). It can be used for applications such as switching between multiple audio input signals for an audio amplifier. It also allows for data multiplexing in communication systems and switching of analog signals on different nodes of a signal path.

Conclusion

The DG9415DQ-T1-E3 is a highly versatile analog switch, multiplexer, and demultiplexer that can be used in a variety of applications from audio systems to telecommunication systems. With its high on-resistance, it can be used for high switch current applications and it also has a low standby current, making it an attractive choice for power saving. It is also a highly reliable digital switch, as it features ESD protection as well as an integrated power FET switch.

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