ADG708BRU

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The ADG708BRU is part of Analog Devices applications of interface - analog switches, multiplexers, demultiplexers. This device is an 8-channel monolithic CMOS analog multiplexer and provides a very high level of isolation between the input and output channels of 24dB. This isolation level is achieved by using DARLINGTON analog switches to achieve a low 3ohm resistance between the input and output channels.

The device also has a low current consumption of only about 10μA max, making it ideal for use in ultra low-power applications. The ADG708BRU operates from 0°C to 70°C temperature range and can be easily implemented in any system. It is available in a variety of packages such as SOIC, TSSOP, and a vacuum sealed package.

The device has two distinct modes of operation: one-channel-open mode and all-channel-open mode. In the one-channel-open mode, the ADG708BRU operates as a standard multiplexer, allowing a single, high-impedance analog signal to be switched between eight, low- impedance analog signal outputs. In the all-channel-open mode, the device operates as a true demultiplexer, allowing a single, low-impedance analog signal to be routed to eight, high-impedance analog signal outputs.

The device\'s switch-control inputs allow the user to select the desired channel via an external control signal. The ADG708BRU also features a power-on reset option that ensures that the device will always be in a known state after power-up by forcing all of the output channels to a user-specified level. Additionally, the device includes a "select enable" pin that allows the user to enable and disable the channel selection control pins.

The ADG708BRU also includes a "power-down" pin that can be used to disconnect all of the switches in the device and reduce power consumption. This feature allows for faster power-down times and is especially useful for applications that require a minimum amount of power. Additionally, the device includes an "open-drain" output that can be used to signal when a multiplexed or demultiplexed signal is in a certain state.

The ADG708BRU provides complete signal isolation between channels, making it ideal for applications requiring signal integrity and signal isolation. Additionally, it is configurable in both single-channel and multi-channel modes, allowing for flexibility in system design. This device is ideal for use in automotive, industrial and consumer applications and is a high-performance, yet cost effective solution for analog signal switching.

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