DG445BDY-E3

Switch Time (Ton, Toff) (Max):	300ns, 200ns
Base Part Number:	DG445
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Crosstalk:	-95dB @ 100kHz
Current - Leakage (IS(off)) (Max):	500pA
Channel Capacitance (CS(off), CD(off)):	5pF, 5pF
Charge Injection:	1pC
-3db Bandwidth:	--
Series:	--
Voltage - Supply, Dual (V±):	±15V
Voltage - Supply, Single (V+):	12V
Channel-to-Channel Matching (ΔRon):	--
On-State Resistance (Max):	80 Ohm
Number of Circuits:	4
Multiplexer/Demultiplexer Circuit:	1:1
Switch Circuit:	SPST - NO
Part Status:	Active
Packaging:	Tube

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DG445BDY-E3 is an analog signal switch used in signal routing and switching applications. It is typically used in signal routing and signal conditioning in audio, video, and communications systems. The device is made up of four SPST (single-pole-single-throw) switches and a diode array that can be used to protect each switch.The device has two main input pins, A and B, and each has four output pins, O1-O4. When A is high and B is low, the signal at O1 is connected to A and the signal at O2 is connected to B. When A is low and B is high, the signal at O3 is connected to A and the signal at O4 is connected to B. The diode array is connected between the inputs and outputs and protects the switch against static discharge.The DG445BDY-E3 is mainly used in signal routing applications, as it can be used to direct signals from one to another. It is also used in audio, video, and communications systems for signal conditioning. For example, it can be used for selecting one out of two inputs in a video system. It is also used for signal mixing, which is the process of adding two or more signals to form a signal with certain characteristics.The working principle of the DG445BDY-E3 is based on the application of a constant voltage at its input and outputs. The voltage applied to the input controls the state of the switch and determines whether the signal passes through it or not. Depending on the applied voltage, the signal can be routed to the right output pin. The diode array between the input and output pins prevents static discharge.To conclude, the DG445BDY-E3 is an analog switch with four single-pole-single-throw switches and a diode array for protection. It is mainly used in signal routing and signal conditioning applications in audio, video, and communications systems. It works by controlling the state of the switch and routing the signal to the right output pin based on the applied voltage.

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