TS3USBA225RUTR Integrated Circuits (ICs)

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Interface - Analog Switches - Special Purpose

Analog switches have many applications in computer, communication and other electronics fields. In recent years, with the rapid development of science and technology, Special Purpose Analog Switches have obtained a wide range of applications, including TS3USBA225RUTR. This paper will mainly focus on TS3USBA225RUTR application field and working principle.

TS3USBA225RUTR Application Field

TS3USBA225RUTR is an analog switch with an operating range of 2.7V to 5.5V and a typical on resistance of 0.4 ohms. It is an ultra-low power solution and the power supply current requirements for normal operation are no more than 5mA. The quiescent current of TS3USBA225RUTR can be as low as 1.5uA, which is only a fraction of similar products. The rated operating temperature range is from -40 to +85℃ and the total power supply range is from 4.5 to 5.5 volts.

TS3USBA225RUTR is widely used in many applications. These applications include but are not limited to: communication switching such as 3G, 4G, and 5G base station antennas, RF antennas, and wireless headsets; motor control such as motor rotation speed, torque control and precision position control; automotive electronics; audio/video equipment such as TV server, TTL control and monitor system; portable Bluetooth device; and camera.

TS3USBA225RUTR Working Principle

TS3USBA225RUTR is a special DPDT switch that can control the signal transmission between two ports. It has two high frequency analog switches. The Control signal Vc is used to control the switch’s resistance value and the signal transmission direction of the analog switch. Under normal switching state, the pins S♭ and D♭ or S♯ and D♯ can be selected as a normally open switch or a normally closed switch.

When the voltage range of Vc is between 2.7V to 5.5V, both of the two switches are in the on state, then the two ports S1 and S2 are connected, and the resistance between the two ports is 0.4 ohms. Under this condition, the signal transmission between two ports is connected. When the voltage of Vc is 0V or the applied voltage is lower than 2.7V, the two switches are in the off state, the two ports are disconnected. In that case, the two ports S1 and S2 are disconnected, which can prevent the signal transmission between two ports.

Conclusion

In summary, TS3USBA225RUTR has found a wide range of applications in communication, motor control, automotive electronics and audio/video equipment. It is a DPDT switch that can control the signal transmission between the two ports and it works by the voltage of Vc in the range of 2.7 to 5.5V. It is an ultra-low power solution with power supply current no more than 5mA and quiescent current as low as 1.5uA.

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