NJU211D#

Voltage - Supply, Dual (V±):	±15V
Supplier Device Package:	16-DIP
Package / Case:	16-DIP (0.300", 7.62mm)
Operating Temperature:	0°C ~ 70°C (TA)
Crosstalk:	-90dB @ 100kHz
Current - Leakage (IS(off)) (Max):	5nA
Channel Capacitance (CS(off), CD(off)):	5pF, 5pF
Charge Injection:	20pC
-3db Bandwidth:	--
Switch Time (Ton, Toff) (Max):	1µs, 500ns
Series:	--
Voltage - Supply, Single (V+):	--
Channel-to-Channel Matching (ΔRon):	--
On-State Resistance (Max):	175 Ohm
Number of Circuits:	4
Multiplexer/Demultiplexer Circuit:	1:1
Switch Circuit:	SPST - NC
Part Status:	Active
Packaging:	Tube

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NJU211D# Application Field and Working Principle

The NJU211D# is a distinctive type of analog switch, multiplexer and demultiplexer, used in many different instances. These include applications such as signal switching, switching in consumer products, data communications, audio and video systems, automotive sensors, and more.

Analog Switches

Analog switches are devices used to transfer analog signals between one or more input and output circuits. They are commonly used in consumer products, and allow the user to switch between different inputs or sources, as well as toggle the signal level and voltage. The NJU211D# is a particularly useful analog switch, as it has both low on-resistance and low off-resistance. This makes it perfect for applications that deal with high-frequency audio, video, and RF signals. Additionally, the NJU211D# comes with high protection from static and overvoltage, so it can safely be used in a variety of tough environments.

Multiplexers/Demultiplexers

Multiplexers and demultiplexers are also very common types of analog switches. A multiplexer is a circuit that can combine multiple input signals into a single output signal. A demultiplexer is a circuit that can split the single input signal into multiple outputs. The NJU211D# is an excellent multiplexer. It can handle up to five input channels, which makes it suitable for a wide range of applications. It also has a built-in protection circuit, so it is able to help protect the device from static or overvoltage. When used as a demultiplexer, the NJU211D# can split signals up to 150MHz, allowing it to handle a wide range of audio and other kinds of signals.

Working Principle

The working principle of the NJU211D# is quite simple. It consists of two transistor switches, with each one controlling a separate channel. When the switch is "on", the transistor conducts digital signals from its source to its destination. When it is "off", digital signals cannot be passed through because the transistor is cut off. The NJU211D# also comes with a built-in protection circuit. This protection circuit helps protect the device from static electricity or overvoltage that might otherwise damage it. Additionally, the protection circuit ensures that the current passing through the switch remains within a safe range.

Conclusion

The NJU211D# is a versatile analog switch, multiplexer, and demultiplexer that can be used for a wide range of applications. It has low on-resistance and low off-resistance, which makes it ideal for applications that deal with high-frequency audio, video, and RF signals. Additionally, the NJU211D# has a built-in protection circuit, so it can handle a wide range of electrical inputs without getting damaged. This makes it an excellent choice for a variety of analog switching applications.

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