CBT3253APW,112

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Logic - Signal Switches, Multiplexers, Decoders

CBT3253APW,112 application field and working principle

Overview

CB3253APW,112 is a logic – signal switch chip. It provides a low power, high speed, four-input CMOS multiplexer. It is build from complementary and degenerated pair type four-input multiplexers with single enable control. It has typical on resistance of 5 ohm and single component replacement capability. It includes a total of 4 independent 4-input multiplexers inside.

Application Field

The application field of CBT3253APW,112 includes data communications, consumer electronics, industrial and medical equipment, as well as other consumer and automotive applications. This multiplexer is suitable for applications that require switching or multiplexing of digital signals in high speed, low power and low noise systems. It can also be used for analog applications in which the switching time is critical such as audio and video switching.

Working Principle

The CBT3253APW,112 is composed of 4 independent multiplexers. Each of the multiplexers has 4 data pins (A, B, C, and D) and 1 control pin (E). When the control pin is set to High, the multiplexer passes the data from A to the output (Out). When the control is set to Low, the multiplexer passes the data from B to the output. The multiplexers can be cascaded to increase the number of inputs and the selection range.

The operating speed of CBT3253APW,112 is higher than that of the traditional multiplexers due to the usage of complementary switches. The switch has a very low on-resistance of only 5 ohms and enables single component replacement tturing component replacement or upgrading; hence only one component needs to be replaced instead of multiple components.

In addition, the CBT3253APW,112 is equipped with Schmitt triggers which provide excellent noise immunity and false switching protection. The fast rise and fall times enable high speed switching as well as 0V to 3.3V maximum voltage capability which reduces system power consumption significantly.

Conclusion

The CBT3253APW,112 was designed to provide a low power, high speed and wide range selection of multiplexers for various digital and analog applications. It enables increased stability and troubleshooting through single component replacement and excellent noise immunity and false switching protection with optional Schmitt triggers.

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