DG442LDQ-T1-E3

Switch Time (Ton, Toff) (Max):	60ns, 35ns
Base Part Number:	DG442
Supplier Device Package:	16-TSSOP
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Crosstalk:	-95dB @ 1MHz
Current - Leakage (IS(off)) (Max):	1nA
Channel Capacitance (CS(off), CD(off)):	5pF, 6pF
Charge Injection:	5pC
-3db Bandwidth:	280MHz
Series:	--
Voltage - Supply, Dual (V±):	±3 V ~ 6 V
Voltage - Supply, Single (V+):	2.7 V ~ 12 V
Channel-to-Channel Matching (ΔRon):	100 mOhm
On-State Resistance (Max):	30 Ohm
Number of Circuits:	4
Multiplexer/Demultiplexer Circuit:	1:1
Switch Circuit:	SPST - NO
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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DG442LDQ-T1-E3 Application Field and Working Principle

The DG442LDQ-T1-E3 is analog switch and multiplexer IC developed by Texas Instruments (TI). The device is an electromechanical switch that consists of four switches and two multiplexers. It is a monolithic IC with both analog and digital inputs and outputs and combines the benefits of both types of components.The DG442LDQ-T1-E3 is housed in an 8 pin plastic dual in-line package with a built-in ground plane which improves performance and reduces the number of external components required. The IC operates from a single power supply ranging from 4.5V to 13V and is rated for up to 4A Continuous Current.The DG442LDQ-T1-E3 is suitable for a variety of applications, such as switch-mode power supplies, motor control, and vending machine applications. The IC features differential inputs and outputs to improve performance. Additionally, an adjustable output impedance control improves signal integrity.The DG442LDQ-T1-E3 is an analog switch and multiplexer featuring four switches and two multiplexers. Each switch has two input pins (A, B) and a control pin (S). The direction of the switch is determined by the logic level of the control pin. When the control voltage is high, the switch is open, and when the control voltage is low, the switch is closed.Each multiplexer has two inputs (A, B) and a control pin (S). The multiplexer operates similarly to the digital switch. The logic level of the control pin determines which input is connected to the output terminal. When the control voltage is low, input A is connected to the output, and when the control voltage is high, input B is connected to the output.The multiplexers can be configured to operate as a two-position selector switch, or as a single-pole, dual-throw switch. In this configuration, one of the outputs is configured as the Common output, while the other two outputs are configured as the Normally Open and Normally Closed outputs.The multiplexers can also be used as a four-position selector switch, with two Common outputs, one Normally Open output and one Normally Closed output.In addition to its analog switch and multiplexer features, the DG442LDQ-T1-E3 also provides a range of ESD protection features for the inputs and outputs. This makes the IC an ideal choice for applications requiring input/output protection from electrostatic discharge.The DG442LDQ-T1-E3 is a robust and reliable switching solution that performs well in a wide range of environments. The device requires few external components and is suitable for use in a variety of applications, such as motor control, vending machines and switch-mode power supplies. The integrated ESD protection makes the IC an ideal choice for applications requiring input/output protection from electrostatic discharge.

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