TS3A5018D

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TS3A5018D Application Field and Working Principle

The TS3A5018D is a typical product belonging to the interface -- analog switches, multiplexers and demultiplexers field. It is a single channel, normally open (NO) audio switching device, targeted for use in automotive infotainment applications.

This device is manufactured with a versatile design, having features such as low on resistance, low crcs and fast switching times. It is made up of a high performance silicon gate CMOS process, consisting of an N-Channel MOSFET ON Switch and dedicated digital circuitry for control and protection. This makes it ideal for high current applications, such as switching multiple audio outputs.

TS3A5018D has a maximum on-resistance R_ON of 0.03Ω and maximal off-resistance R_OFF of 10000MΩ. This makes it very suitable for applications requiring low on-resistance and low power consumption. There are two operating voltages: 5V and 3.3V, which make it compatible with various automotive infotainment systems.

This device has a very fast switching time of 17.5μs (typical), which makes it capable of fast transitions between audio output sources. This allows the audio to switch quickly, without any noise or distortion. The output channel is also capable of driving up to 240mA of current, so it is also suited for heavier loads.

Moreover, TS3A5018D also has protection features for component safety. It features a back-bias protection, current limit and thermal shutdown. This ensures that the components and circuitry remain safe from over-voltage or over-current situations.

To operate a TS3A5018D device, the control input must be connected to the system ground and the output channel must be connected to the load. The device can be controlled by applying a voltage on the control input. When the control input is high (at least 2.4V, ideally at 5V), the device switches and the load will be connected to the output. When the control input is low (at least 0.2V, ideally at 0V), the device switches off and the output will be isolated from the load.

The TS3A5018D is a versatile product, with a low on resistance, low crcs and fast switching times. It is suitable for high current applications and is capable of quickly switching between different audio sources without noise or distortion. Moreover, it has protection features for component safety, making it a reliable switch for automotive infotainment applications.

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