DG419BDY-T1

Voltage - Supply, Dual (V±):	±15V
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Crosstalk:	-88dB @ 1MHz
Current - Leakage (IS(off)) (Max):	250pA
Channel Capacitance (CS(off), CD(off)):	12pF, 12pF
Charge Injection:	38pC
-3db Bandwidth:	--
Switch Time (Ton, Toff) (Max):	89ns, 80ns
Series:	--
Voltage - Supply, Single (V+):	12V
Channel-to-Channel Matching (ΔRon):	--
On-State Resistance (Max):	25 Ohm
Number of Circuits:	1
Multiplexer/Demultiplexer Circuit:	2:1
Switch Circuit:	SPDT
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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The DG419BDY-T1 is an analog switch that is designed for use in multiple applications in the engineering and industrial fields. It is an extremely useful tool that is able to switch inputs from one source to another with high reliability and accuracy. This particular analog switch is part of a family of integrated circuits designed for analog signal processing and bus multiplexing tasks. The DG419 is a Quad SPST Analog Switch which consists of four individual switches integrated on a single chip. They are used to switch digital logic levels as well as analog signals with a maximum voltage rating of 24V and a current rating of 50mA. It features low on-resistance and off-isolation characteristics making it ideal for multiplexing and signal conditioning tasks. It’s operating voltage is 5V and it consumes very low power. The unit has very low crosstalk and are fully protected against ESD and latch-up. The DG419BDY-T1 is a surface mount device and comes in a variety of packages to suit a range of applications. The switch’s core feature is its low input capacitance which is only 8pF at 5V. This allows for faster switching speeds and higher signal fidelity when compared to other switches. Its low on-resistance of only 1 ohm ensures much higher switching accuracy than other analog switches.The working principle of the DG419BDY-T1 is quite simple. It is a voltage-controlled switch which is operated by a control signal at the Gate terminal of the switch. When the voltage at this terminal is high enough, the switch is closed and it allows the current to flow through the Channel terminal and to the next device. When the voltage at this terminal is low, the switch is open and the current is blocked.The DG419BDY-T1 can be used in a variety of applications in both the engineering and industrial fields. It can be used in analog-to-digital converters, power and voltage monitoring systems, communications systems, audio frequency switching, and instrumentation systems. It can also be used in digital logic circuits such as those used in programmable logic controllers, digital signal processing systems, and data acquisition systems.The DG419 can provide reliable, accurate, and high-performance switching of analog signals and digital logic levels. Its low on-resistance, low input capacitance, and low off-isolation characteristics make it uniquely suited for multiplexing and signal conditioning tasks. Its high-speed and energy-efficient operation make it an ideal choice for use in a variety of different engineering and industrial applications.

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