DG212CJ+

Switch Time (Ton, Toff) (Max):	1µs, 500ns
Base Part Number:	DG212
Supplier Device Package:	16-PDIP
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:	--
-3db Bandwidth:	--
Series:	--
Voltage - Supply, Dual (V±):	±4.5 V ~ 18 V
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 - NO
Part Status:	Active
Packaging:	Tube

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The DG212CJ+ is a very versatile, low-power, integrated Analog Switch, Multiplexer and Demultiplexer, offering a variety of useful features and applications. This article will give an overview of the DG212CJ+ as well as its application field and working principle.

Overview

The DG212CJ+ is a low-voltage, low-power, single-pole, double-throw (SPDT) Analog Switch, Multiplexer and Demultiplexer contained in a 16-pin plastic DIP package or a surface-mount SOIC-16 package. It enables the connection of two signals to and from one node, or easily multiplex multiple signals onto one node through the use of data select/ interface control lines.The DG212CJ+ is powered from a single +5 V power supply and is equipped with two independent switch circuits and two single-pole single-throw (SPST) analog switches. Its on-resistance is typically 4 Ω when the control voltage is between 0 and +5 V. It is also capable of handling up to 5 mA if the differential voltage between the input and the output exceeds 0.25V.The DG212CJ+ has in-circuit ESD protection, making it very reliable in harsh and volatile environments. Its very low power dissipation also makes it ideal for situations where power conservation is essential. Additionally, the device is RoHS-compliant, providing increased safety and reliability.

Application Field

The DG212CJ+ can be used in a variety of applications where an analog switch, multiplexer and/or demultiplexer is needed. It is especially useful for applications such as broadband transmission, line switching, patching, test and measurement systems, circuit protection, and instrumentation. The device can also be used in other areas such as CD players, IR controllers, DC/DC converters, and cell phone navigation systems.The DG212CJ+ is also a great choice for applications where low power dissipation is desired. Its low on-resistance and low power consumption make it ideally suited for powering portable, battery-operated devices, as well as for applications in high-temperature environments.

Working Principle

The DG212CJ+ is an analog switching device which utilizes the concept of a single-pole double-throw (SPDT) switch. The device contains two independent channels, each containing two switches with one signal and one signal path.The device works by connecting the signal path of one switch to the signal path of the other switch. When the enable signal is set to high, the two switches will connect the two signal paths and the signal will be routed from one to the other. When the enable signal is set to low, the two switches will be disconnected and no signal will be routed.In the example of using the DG212CJ+ in a multiplexer application, when the enable signal is set to high, the signal will be routed from a single input to multiple outputs. When the enable signal is set to low, the signal will not be routed.

Conclusion

The DG212CJ+ is a very versatile, low-power, integrated Analog Switch, Multiplexer and Demultiplexer. It is easily configurable for a variety of applications and provides low power dissipation, ESD protection and RoHS compliance. The DG212CJ+ is an excellent choice for applications needing an analog switch, multiplexer and/or demultiplexer.

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