ADG451BN

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The ADG451BN isolated analog multiplexer (MUX) is a device designed to allow a single signal to be switched between multiple inputs while isolating the output channel from any potential interference or interference sources. As an isolated multiplexer, it can be used in applications where high accuracy and reliability are of paramount concern, including the medical, automotive, aerospace, intelligent control, and defence markets. It is compatible with the majority of analog input and output circuits, and its low on-resistance and on-state current consumption make it ideal for applications requiring low-loss, low-power switching. The ADG451BN is ideal for switching between multiplexed analog signals, providing isolation from external sources as well as from other signals.

The ADG451BN is an analog multiplexer, which means that it switches an analog signal between multiple inputs. This is done by selecting one of the inputs at a time, allowing the signal from the selected input to pass through to the single output. In order to do this, four control pins are used. The four control pins are the selection pins (S₀, S₁, S₂ and S₃), which are used to select the input to be used at any given time. The MUX also has an enable pin, which is used to enable or disable the MUX when needed. Additionally, the ADG451BN can be powered from a single 3.3V or 5V supply.

The anlog MUX circuit uses a differential amplifier to drive the selected input while isolating it from all other inputs. This allows an extremely low on-state resistance (RDSON) of just 6.5Ω, minimising the impact of the device on the signal. The low RDSON is also important for keeping power consumption to a minimum, and it does just that: the ADG451BN is capable of consuming just 7.5mA with 5V of power. Lastly, it has a low output offset voltage (<3mV) and propagation delay of just 1µs, making it a great choice for high-speed, low-noise switching applications.

The ADG45BN is ideal for applications requiring low-loss, low-power switching with high accuracy and reliability. In addition to its low on-state resistance, low-power consumption and low-offset, it also offers protection against static discharges, electrostatic discharges, and other types of overvoltages. These features make it well-suited for use in environments that may be subject to interference or interference sources.

In summary, the ADG45BN is an isolated analog multiplexer that offers low-power, low-loss, low-offset switching with high accuracy and reliability. It is suitable for use in applications such as medical, automotive, aerospace, intelligent control and defence, and it protects against static discharges, electrostatic discharges and other overvoltages. With its excellent features and robust design, the ADG45BN is an excellent choice for analog switching applications.

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