DG304ACJ

Switch Time (Ton, Toff) (Max):	250ns, 150ns
Base Part Number:	DG304A
Supplier Device Package:	14-PDIP
Package / Case:	14-DIP (0.300", 7.62mm)
Operating Temperature:	0°C ~ 70°C (TA)
Crosstalk:	-74dB @ 500kHz
Current - Leakage (IS(off)) (Max):	5nA
Channel Capacitance (CS(off), CD(off)):	14pF, 14pF
Charge Injection:	12pC
-3db Bandwidth:	--
Series:	--
Voltage - Supply, Dual (V±):	±5 V ~ 18 V
Voltage - Supply, Single (V+):	--
Channel-to-Channel Matching (ΔRon):	--
On-State Resistance (Max):	50 Ohm
Number of Circuits:	2
Multiplexer/Demultiplexer Circuit:	1:1
Switch Circuit:	SPST - NO
Part Status:	Obsolete
Packaging:	Tube

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Introduction

DG304ACJ is an analog switch from Anachip Corporation. It comes integrated with a single 8-pin SOP package and can switch up to four single-pole / double throw switches. It is also highly configurable, with built-in control logic that can configure it to one of four different modes. This makes it suitable for many different applications such as switching audio signals, analog multiplexers, communications and more.

Applications

DG304ACJ is a versatile switch that can be used in numerous applications, such as:

• Audio switching – The DG304ACJ can be used for applications such as recording and playback, where it can switch between two audio sources. It can also be used in professional audio equipment, where the switch is often used for the matrix mixing of audio signals.
• Analog multiplexers – For circuits requiring multiple inputs but only one output, the DG304ACJ can be used as a multiplexer. This can be used, for example, in measuring devices or to switch between different cells in a battery.
• Communications – As the switch can be used to link different receivers, such as GPS receivers and satellite receivers, it can also be used in many communication applications.
• Network switches – The switch can be used in network switches to provide a higher bandwidth and continuous connection.

Design

The DG304ACJ is designed for both low voltage and high voltage applications. Its low voltage limit is between 0V and 5V, making it suitable for use in most low voltage circuits. The high voltage limit is between −15V and +15V, which makes it suitable for high voltage circuits, such as automotive applications.The DG304ACJ also has a unique switching mechanism, with 4-switch channels and a 4-channel switch matrix. This allows the device to be configured in 4 different modes, giving it highly configurable operation.

Working Principle

The DG304ACJ works by connecting a common terminal to one of its 4-channel switch matrix. With this connection in place, the switch can be used to switch between up to 4 different circuits. When the switch is connected in the common terminal, it will be in either the “off” or “on” state, depending on its configuration. In the “off” state, the switch will not allow current to flow, whereas in the “on” state, it will.In order to switch between the “off” and “on” states, the switch must be commanded using the control lines. In order to switch the device from one state to the other, the control lines should be changed from one state to the other. Once the control lines have been changed, the appropriate state will be selected.

Conclusion

DG304ACJ is an analog switch from Anachip Corporation. It has a single 8-pin SOP package and can switch up to four single-pole / double throw switches. It also has built-in control logic that makes it suitable for a wide range of applications, such as audio switching, analog multiplexers, communications and more. It is designed for both low voltage and high voltage applications, with a low voltage limit of 0V to 5V, and a high voltage limit of −15V to +15V. It works by connecting a common terminal to one of its 4-channel switch matrix, and then commanding it using control lines. With its highly configurable operation mode and its ability to switch between up to four circuits, the DG304ACJ is an ideal device for a wide range of analog switch related applications.

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