SJM184BEC

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SJM184BEC, designed by Semiconductor Components Industries, LLC, is a single-pole 4-throw (SP4T) analog switch. It has one signal common port connected to four separate connection ports, allowing multiple control and signal options under the same configuration. This type of switch is most commonly found in AM radio receivers, and other audio and video applications.

The SJM184BEC is a CMOS device, meaning it operates on low power and is capable of switching several milliamps of current with a signal fill factor of over 90%. Its low on resistance (<50 ohms) makes it desirable for switching signals, while its speed characteristics make it well suited for applications requiring fast signal switching. The device operates from a nominal supply voltage of 2.7 - 5.5 V and can withstand up to 20V of voltage withstanding. Other features include a decay time of 35 microseconds.

The key application for the SJM184BEC is signal switching, particularly in audio and video receivers. It is often used to switch multiple signals of different types, such as audio, video, microphone, and other signals that pass through a receiver. The wide range of switching voltage and low on resistance makes this device ideal for applications where the signal has to be switched quickly and accurately with minimal power consumption. In addition, the switch allows for flexibility in signal routing, allowing a single connection to be used for multiple inputs and outputs. To power the device, the recommended supply voltage range is 2.7 to 5.5V, making it compatible with both 3.3v and 5V supply voltage sources.

Along with signal switching applications, the SJM184BEC can be used for other applications such as multiplexers, demultiplexers, and analog switches. Multiplexers are devices that divide a single data stream into multiple streams and vice versa, as needed. They are usually used in optical, radio, and communication systems. The on resistance of the SJM184BEC makes it ideal for these types of applications since low resistance allows the current to be switched quickly and accurately. Demultiplexers are the opposite of multiplexers; they take a single data stream and distribute it to multiple outputs. SJM184BEC can be used in demultiplexer applications because its wide voltage range allows for a variety of data to be distributed quickly and reliably.

Analog switches are used in applications that require switching between analog signals. Such applications include radio and television receivers, audio mixers and synthesizers, instrumentation systems, and more. The low on-resistance of SJM184BEC, along with its wide working voltage and fast response time, make it suitable for applications where the switching of analog signals must be done quickly and accurately with minimal power consumption.

In summary, the SJM184BEC is a single-pole 4-throw (SP4T) analog switch that is used in a variety of applications such as multiplexers, demultiplexers, and analog switches. Its low on resistance, wide voltage range, and fast decay time make it well suited for applications requiring fast signal switching with minimal power usage. Its applications range from audio, video, and radio receivers, to instrumentation systems, audio mixers and synthesizers, and more.

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