ADG759BCPZ

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Analog switches, multiplexers, and demultiplexers are a class of electrical components sometimes referred to as interface elements. They are used to connect and disconnect electrical signals in order to facilitate the passing of signals of a given type. An example of these components is the ADG759BCPZ, which is a digitally controlled analog switch. In this article, we will discuss the application field and working principle of the ADG759BCPZ.

The ADG759BCPZ is a two-channel, two-pole analog switch with a dual supply voltage range of 3V to 8V. It is designed to have a low on-resistance of 4 ohms and a high on-resistance of 20 ohms. It is capable of switching high-side and low-side applications that require precise switching. It has an input logic control voltage level range between 0V and Vdd. Its switches are very robust and come with a 100 Vdc blocking voltage rating.

The ADG759BCPZ has a wide range of applications in communication and multimedia systems. It can be used to switch a signal from one source to another, act as a switchable signal path, and multiplex and demultiplex data queues. It can also be used in power supply systems to control the routing of power and to reduce the need for additional power supplies. In addition, the device can be used in medical equipment for the detection of patient signals and in portable electronic devices for controlling channels and signal paths.

The primary working principle of the ADG759BCPZ is that of an analog switch. An analog switch is essentially an electronic device, similar to a mechanical switch, that can redirect an input signal to either an output channel or a low impedance channel. The type of analog switch used is determined by the Vdd voltage supply and the input logic control voltage level which can range between 0V and Vdd. When the input signal is applied to the switch, the internal communications between the switch, its control inputs, and output channels are switched on and off in order to direct the signal. The signal path is implemented through a pair of independently activated transmission gates.

The internal operation of the ADG759BCPZ is controlled through its digital control inputs. The pins being used as digital control inputs are typically labeled as S0 and S1. When an active logic signal is applied to these pins, the corresponding switch is activated. When both S0 and S1 are at a logic low, the switch is disabled. The on resistance of the switch is low and the off resistance is high. This allows for precise signal routing and control.

In conclusion, the ADG759BCPZ is a two-channel two-pole analog switch with a dual supply voltage range of 3V to 8V. It has a wide range of applications in communication and multimedia systems, medical applications, and portable electronic devices. Its working principle is based on the concept of an analog switch, which is activated and controlled through the digital control inputs S0 and S1. This allows for precise signal routing and control.

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