DG186AA/883

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The DG186AA/883 is an analog multiplexer/demultiplexer. It provides a convenient means of switch­ing a signal path between two or more locations. The multiplexer is used to select one of the inputs and the demultiplexer is used to send that signal to one of the outputs.

The device is built around a low-power CMOS process and is designed to handle both input and output with high speed signals. Its low-voltage operation allows it to be used in many designs, particularly portable systems and those with DC-to-DC voltage regulators.

Features

The DG186AA/883 multiplexer/demultiplexer has the following features:

• Operates with a wide range of inputs, including TTL, CMOS, ECL and supply voltages between 5 volts and 15 volts
• Low power CMOS design
• High speed switching
• Low-voltage operation
• Compatible with MOS and bipolar logic
• High on-state resistance eliminates distortion
• Low crosstalk between channels

Application Fields

The DG186AA/883 is used in a wide range of applications, including high-speed signal switching, analog to digital data conversion, clock multiplexing, voltage conversion, and voice/data transmission. It is also used in medical imaging, automotive systems, robotics, computer peripheral devices, portable devices, and HDTV.

Working Principle

The working principle of the DG186AA/883 multiplexer/demultiplexer is quite simple. It is controlled by an external control voltage (VCTL) which, when high, places a predetermined path between the inputs and outputs. The device then switches between the two or more input and output signals. This type of multiplexer/demultiplexer is also known as an active switch.

When the VCTL voltage is low, the device is in its inactive state. In this condition, the inputs and outputs are completely isolated from each other; they are effectively disconnected. This isolation is accomplished by the low-on-state resistance of the device, which prevents any cross-talk between the two paths.

Conclusion

The DG186AA/883 multiplexer/demultiplexer is a useful device for many applications where high-speed switching is required. Its low voltage operation and high on-state resistance make it a versatile and reliable choice for many design needs. It is compatible with both MOS and bipolar logic, and its low crosstalk capabilities help to eliminate distortion.

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