DG445DVZ-T

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DG445DVZ-T is an 8-channel, low-on-resistance, single-pole/double-throw (SPDT) analog switches designed for maximum flexibility when muxing and demuxing of signals. It consists of eight independent single-pole/double-throw (SPDT) switches having independent enable inputs and output enable control. The switches are designed to be operated in either single or multiplexer/demultiplexer mode.

The DG445DVZ-T is applicable in a wide range of applications, including power amplifiers, power supplies, low noise amplifiers, analog-to-digital converters and digital-to-analog converters. It can also be used as a bridge between analog and digital circuits, allowing the multiplexing or demultiplexing of different circuits. The DG445DVZ-T is designed specifically for low power applications and is ideal for portable and automotive product applications.

The working principle of DG445DVZ-T is based on the switch’s two control pins that enable or disable the switch. When one of the pins is high, the switch is enabled and when both are low, the switch is disabled. The switch can also be disabled by using an enable input filter that filters out any low logic levels on the enable pin and allows the output enable to control the switch on/off state. The device is designed to be low power and has a threshold voltage of approximately 0.5 volts. The enable pin on the DG445DVZ-T can be tied to a voltage source or driven by an external control signal depending on the application. The enable pin also has an independent output enable for better control over the switch’s on/off state.

The channels of the DG445DVZ-T are controlled by single toggle controls and they feature wide bandwidths, a low on-resistance (RDS(ON)) of 0.3 ohms, and a fast switch-off time of 20 ns. The switches can be used in applications such as analog multiplexing and demultiplexing, signal routing, signal gating, signal buffering, and signal switching. The DG445DVZ-T also provides isolation against noise when mux and demuxing signals.

The DG445DVZ-T is available in an 8-pin SOP package and is RoHS (Restriction of Hazardous Substances) compliant. It features a low VDD of 1.8V to 5.5V and low power consumption of 0.4mW/channel. The dual-shafted switch allows for either mechanical or electrical operation. The device also offers reduced EMI (Electromagnetic interference) noise with its high immunity to ESD (Electrostatic Discharge) and low EMI noise radiation. The device also features latch protection, enabling the switching of multiple channels of signals.

In summary, the DG445DVZ-T is a 8-channel analog switch designed for low power applications. The device is available in a small SOP package and offers a low RDS(ON) of 0.3 ohms and a fast switch-off time of 20 ns. The dual-shafted switch allows for either mechanical or electrical operation and provides protection against ESD and EMI. The device is suitable for multiplexing or demultiplexing of signals and is ideal for portable and automotive product applications.

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