DG308ACY+T

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A DG308ACY+T is an analog switch device with five buffered N-Channel MOSFETs that are designed to operate with low power supply currents ideal for applications involving multiple microcontrollers or digital-to-analog converters. The DG308ACY+T operates from a single power supply of +5V (maximum) to +2.8V (minimum) to provide circuit isolation, eliminating the need for separate or bulky power supply buses. The on-resistance and isolation/ switching voltage range makes it suitable for applications in broadcast communications.

Application field of DG308ACY+T:

• Analog and digital interfaces (including RS-232 or T1/E1)
• Specification-compliant protection circuits for I/O pins of microcontrollers
• Plug-in switching in PC-boards
• Stock programs/emulators and local area networks
• Automatic circuit testing
• Digital-to-analog converters
• Voltage reference circuitry
• Configuration interfaces
• Measurements of digital bus signals

Working principle of DG308ACY+T: The DG308ACY+T is capable of switching voltages up to +35V, and offers a low on-resistance of 270mΩ (typ) at 2.4V. This allows for low power consumption as well as for a maximum power dissipation of 3mW. The DG308ACY+T can switch RF, high frequency AC and wideband DC signals. It provides a fast switching time of 5μs, making it suitable for high speed applications. An optional \'power off\' feature allows the switch to remain in its last known state when the power supply is removed.

The DG308ACY+T can be used as a representative device in multiplexers and demultiplexers circuits. It is also applicable as a fan-out device or as a power switch to control system power levels in the electronic industry. This device is useful for preventing ring voltage build up and generation of false ingress signals. It is suitable for allowing safety control signals to be tested without endangering the input pin of the device. It can be used in medical applications for switching sensitive signals and as a general-purpose voltage follower for precision signal level shifting.

The DG308ACY+T analog switch is used in communication networks, telemetry systems and industrial process control systems. The built-in MOSFET makes the DG308ACY+T an ideal choice for DC coupling applications. It is a cost effective solution designed to provide reliable signal switching while meeting the tough requirements of harsh industrial environments. The DG308ACY+T is highly integrated and supports a three-state configuration, allowing it to be used as a multiplexer or in multiplexing/demultiplexing applications. It provides isolation of up to 400mΩ, exhibits a low on-resistance and is also capable of switching high frequency and wideband DC signals.

DG308ACY+T can be used for a variety of applications that require signal switching, ranging from switching in PC boards, configuration interfaces, and protection circuits for I/O pins of microcontrollers, to high speed applications such as broadcast communications. It offers fast switching times, low power consumption and a wide voltage range, making it suitable for analog and digital interface applications. In addition, its built-in MOSFET provides excellent DC coupling performance. The DG308ACY+T can be used as a general-purpose voltage follower for precision signal level shifting, in multiplexers and demultiplexers circuits, and in medical applications for switching sensitive signals.

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