AN5870K

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AN5870K is an analog switch specifically constructed to control user defined high impedance signals. It meets the needs of high grade audio and video data applications in consumer appliances with limited input/output. AN5870K switches can be used as relays or drivers.

Application Fields

AN5870K is widely used in consumer applications such as extended audio/video switching, temporal multiplexing, frame sync switching, source switching, and audio/video matrix switching. It is often applied for high-quality audio or video switching, or for driving linear or switching DAC outputs. It can also be used for high speed data communications.

Other application fields include system level switching to control digital and analog systems and input/output wiring. It is also used for providing multiplexer control and for providing digital switch control for telephone applications, communication systems and industrial controllers. AN5870K is a highly reliable, high-performance switch perfect for many applications that require exceptional performance and long-term reliability.

Working Principle

AN5870K is an analog switch with two control inputs: enable (EN) and strobe (ST). The enable input is used to enable or disable switch operation, while the strobe input is used to control the timing of the switch operation. The switch has two outputs and two non-inverting logic inputs. The two outputs (OUT and ENOUT) are controlled by the same logic input. The OUT pin is an open-drain logic output and ENOUT is an output enable signal. When the enable input is LOW and the strobe input is HIGH, the ENOUT will be HIGH and the OUT pin will be LOW. The switch operation is activated when the enable input is HIGH and the strobe input is LOW.

When the enable input is LOW and the strobe input is LOW, both outputs will be in the low state. Similarly, when the enable input is HIGH and the strobe input is LOW, both outputs will be in the high state. This behavior is known as synchronous operation. It is important to note that the enable input must be LOW before the strobe input can be HIGH and vice versa.

Advantage

AN5870K is designed for excellent performance in audio and video applications. It has low on-state resistance, excellent compression characteristics, high glitch immunity, low crosstalk and distortion. The low on-state resistance ensures minimal signal loss and the excellent distortion characteristics improves the quality of the audio or video signals. The switch has good capacitance matching for minimal crosstalk, high cross-conduction immunity, combining to make AN5870K suitable for wide range of applications.

AN5870K is supplied in a small package, the SSOP-8 type. This means that it is space-saving and suitable to be used with high density circuits. Moreover, it also has some other features such as high breakdown voltage and high switch isolation voltage. This makes AN5870K highly versatile and allows it to be used in various circuits that require a high degree of reliability.

Overall, AN5870K is an excellent analog switch that is perfect for audio and video applications with limited input/output. It has excellent features such as low on-state resistance, excellent compression characteristics, high glitch immunity, low crosstalk, and distortion. Moreover, its small package size makes it suitable for high density applications.

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