AS1746-BTDR

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Analog switches, multiplexers and demultiplexers are essential components of almost any device or circuit. An analog switch is a device that is used to electrically connect two or more circuits to each other. A multiplexer is a device that electrically connects two or more inputs to one output. A demultiplexer is a device that electrically connects one input to two or more outputs. The AS1746-BTDR is an analog switch, multiplexer and demultiplexer all in one.

The AS1746-BTDR series is a high speed triple analog switch configuration with a 400Mbit/s bandwidth. The switch has low power consumption (~40mW in the active mode) and operates from both a single supply and a dual supply configuration. The device has a wide supply range of 2.7V to 5.5V, making it suitable for use in many applications. It is available in an 8-lead TSSOP package and the pinout is standard for all devices.

The AS1746-BTDR supports various digital control pins, including three I/O pins, which are connected to corresponding ports as analog switches. The three I/O pins can be used in both multiplexed and non-multiplexed configurations, allowing the device to configure up to eight channels. In addition, the device also supports a standby mode, which allows the control pins to operate at reduced speeds in order to conserve power.

The AS1746-BTDR can be used in a wide variety of applications. It is commonly used in high speed analog signal switchings, such as audio and video signal sources, where downstream components must be isolated from the signal source. It is also used for sampling and holding applications, where the device can be used as an analog buffer. It can also be used as an amplifier, where the device can control the signal levels from its output.

The working principle of the AS1746-BTDR is quite simple. The device uses three I/O pins, 16 digital control pins and an enable pin to control the analog switches. The enable pin is used to select between two different operating modes: Normal mode, which allows the device to switch between the two selected channels, and Standby mode, which reduces the operating speed of the device in order to conserve power. The digital control pins enable the user to select one of the eight available channels, while the I/O pins are used to connect the channels to the corresponding ports.

In conclusion, the AS1746-BTDR is a high speed analog switch, multiplexer and demultiplexer, all in one. The device has a wide supply range, a low power consumption, and supports a standby mode. It is suitable for use in many applications, such as audio and video signal sources, and sampling and holding applications. The working principle of the device is quite simple, and it enables the user to control up to eight different channels with only three I/O pins and sixteen digital control pins.

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