QS4A201QG8

On-State Resistance (Max):	17 Ohm
Base Part Number:	IDTQS4A201
Supplier Device Package:	24-QSOP
Package / Case:	24-SSOP (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Features:	Break-Before-Make
-3db Bandwidth:	1.3GHz
Voltage - Supply, Dual (V±):	--
Voltage - Supply, Single (V+):	5V
Series:	--
Number of Channels:	1
Switch Circuit:	--
Multiplexer/Demultiplexer Circuit:	2:2
Applications:	Audio, Telecommunications, Video
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

The QS4A201QG8 is a special purpose analog switch in the field of interface. It is a single, high-speed analog switch that can be used in applications such as signal switching, LED illumination, or low-voltage signal reception. This analog switch features a low power consumption and a high signal-to-noise ratio, making it ideal for any application requiring a reliable signal switch. In this article, we will discuss the application field and working principle of the QS4A201QG8.

Application field of QS4A201QG8

The QS4A201QG8 is a single, high-speed analog switch designed for use in applications such as signal switching, LED illumination, or low voltage signal reception. This switch is specifically designed for use in switching applications requiring low power consumption and high signal-to-noise ratio.The QS4A201QG8 is ideal for applications in which signal switching needs to be done quickly, as it features a high switching speed. Its low power consumption makes it ideal for applications requiring a long lifetime and/or battery operated applications. Its high signal-to-noise ratio makes it perfect for signal amplifying, filtering, and other signal processing applications.The QS4A201QG8’s small size, low power consumption and high speed also make it suitable for use in low-profile applications. This makes the QS4A201QG8 perfect for use in portable and/or embedded devices.

Working Principle of QS4A201QG8

The QS4A201QG8 switch is based on a Building Block Switching System (BBSS). This type of system is composed of an array of switches, each with two or more switching positions. This BBSS allows for simple and flexible configuration. The switch positions are set by changing the voltage or ground supply at each of the two or more switch position pins. The QS4A201QG8 utilizes gold-alloy contacts on the switch pins, rendering it highly reliable in terms of both electrical conductivity and durability. The switch pins are designed with a break-before-make feature, which prevents the switch from turning on when it is in the off state. This ensures a high signal-to-noise ratio and low power consumption.The switch is also equipped with automatic over-current protection, helping to protect the switch from any damage due to internal temperature rise.

Conclusion

The QS4A201QG8 is a high performance analog switch designed for use in a wide range of applications. Its high switching speed, low power consumption, and high signal-to-noise ratio make it suitable for use in any application requiring reliable signal switching. The QS4A201QG8 is also well-suited for low-profile applications due to its small size and low power consumption. Utilizing its Building Block Switching System, the QS4A201QG8 is highly reliable and provides a high level of protection from any damage due to internal temperature rise.

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