The DG412DQ-T1-E3 is a high-performance quad SPST (Single Pole Single Throw) analog switch manufactured by Electro-Films (EFI) / Vishay, designed to address critical signal routing and switching challenges in precision analog applications. This integrated circuit belongs to the interface analog switches, multiplexers, and demultiplexers category, specifically engineered to provide reliable signal path control with minimal signal degradation.
This quad analog switch incorporates four independent SPST normally-open circuits within a compact 16-TSSOP package measuring 0.173" (4.40mm) in width, making it ideal for space-constrained applications. The device operates across an extended temperature range of -40°C to 85°C, ensuring reliable performance in harsh environmental conditions while maintaining excellent electrical characteristics. The switch features an impressively low on-state resistance of maximum 35 ohms, which minimizes signal attenuation and power dissipation during operation.
The DG412DQ-T1-E3 addresses several critical design challenges including signal integrity preservation, fast switching requirements, and low power consumption. Its fast switching characteristics with turn-on time of 175ns maximum and turn-off time of 145ns maximum enable high-speed signal routing applications. The device exhibits exceptional isolation performance with crosstalk specification of -85dB at 1MHz, ensuring minimal interference between channels. Low charge injection of 5pC and minimal leakage current of 250pA maximum contribute to maintaining signal accuracy in precision applications.
Key electrical specifications include dual supply voltage capability of ±15V, providing flexibility for various analog signal levels. The channel capacitance specifications of 9pF for both source-off and drain-off conditions minimize signal loading effects. The device maintains MSL-1 moisture sensitivity rating, indicating unlimited floor life at standard conditions, which simplifies handling and storage requirements.
Primary advantages include excellent signal fidelity preservation, fast switching speeds suitable for high-frequency applications, low power consumption, and robust temperature performance. The quad configuration provides multiple switching channels in a single package, reducing board space requirements and system complexity. The device's lead-free and RoHS compliant construction ensures environmental compliance for modern electronic designs.
Compatibility extends across various analog and mixed-signal systems operating with standard ±15V supplies, making it suitable for industrial control systems, test and measurement equipment, audio signal processing, data acquisition systems, and communication infrastructure. The device integrates seamlessly with microcontrollers, DSPs, and other digital control circuits for automated switching applications.
Primary application areas encompass precision instrumentation, automated test equipment, audio/video signal routing, industrial process control, medical equipment, telecommunications switching, and general-purpose analog signal multiplexing. The device excels in applications requiring high signal integrity, fast response times, and reliable long-term operation.
Equivalent and alternative models include the DG411 series for single-channel applications, DG413 series offering different switching configurations, and competitive alternatives such as Analog Devices' ADG411/ADG412 series, Maxim's MAX4611/MAX4612 family, and Texas Instruments' TS12A12511/TS12A44511 switches. Other comparable options include Intersil's DG211/DG212 series and ON Semiconductor's FSA3157 family, though specific electrical characteristics and package options may vary. When selecting alternatives, consideration should be given to on-resistance specifications, switching speeds, supply voltage requirements, and package compatibility to ensure optimal system performance.
DG412DQ-T1-E3 Key Technical Attributes
SPST Quad Switch
16-TSSOP Package
On-State Resistance: 35 Ohm
DG412DQ-T1-E3 Packing Size
This product comes in the 16-TSSOP package type, with dimensions of 0.173" width and 4.40mm width, ensuring compatibility with space-constrained designs. The package is delivered in Cut Tape (CT), which is ideal for automated assembly processes and minimizes handling risks. The pin configuration is designed for straightforward board layout, and the device features a moisture sensitivity level (MSL) of 1 (unlimited), simplifying storage and handling. Electrically, it supports dual supply voltages of ±15V, with a low on-state resistance of 35 Ohms and high off-isolation characteristics. Thermal characteristics are bolstered by support for operating temperatures from -40°C to +85°C (TA).
DG412DQ-T1-E3 Application
The DG412DQ-T1-E3 is suitable for a wide range of analog signal routing applications, including instrumentation, data acquisition systems, medical devices, audio and video signal selection, as well as industrial process control systems. Its reliable switching performance also makes it ideal for precision measurements and systems requiring low signal distortion and high channel-to-channel isolation.
DG412DQ-T1-E3 Features
The DG412DQ-T1-E3 offers robust technical capabilities tailored for demanding analog switch and multiplexer/demultiplexer roles. It features four independent Single-Pole Single-Throw (SPST-NO) switches, making it ideal for simultaneous independent signal paths management. This device boasts fast switching times with a maximum turn-on time (Ton) of 175ns and turn-off time (Toff) of 145ns, ensuring high-speed signal routing. On-state resistance is kept at a maximum of 35 Ohms, limiting insertion loss and improving linearity. The switch offers low leakage current (maximum IS(off) of 250pA) and minimal charge injection (5pC), which are essential for maintaining signal integrity in precision applications. Channel capacitances (CS(off), CD(off)) are both minimized at 9pF to reduce crosstalk and improve performance at higher frequencies. Furthermore, the exceptional crosstalk suppression of -85dB at 1MHz highlights its suitability for demanding analog applications.
DG412DQ-T1-E3 Quality and Safety Features
This IC is lead-free and RoHS compliant, ensuring compliance with international safety and environmental regulations. The part status is active, guaranteeing ongoing manufacturer support and availability. Its unlimited moisture sensitivity (MSL 1) provides maximum flexibility in manufacturing and storage, reducing risk of damage due to moisture uptake. The device operates reliably over a wide temperature range of -40°C to +85°C, making it robust for diverse environments and industrial deployments.
DG412DQ-T1-E3 Compatibility
Designed with industry-standard pinouts and package (16-TSSOP), the DG412DQ-T1-E3 is compatible with most existing production and prototyping platforms. Its compact dimensions and electrical characteristics make it suitable for new designs and upgrades in analog signal path switching systems. Backwards compatibility is supported due to standard naming conventions and functional similarity with legacy Vishay analog switches.
DG412DQ-T1-E3 Datasheet PDF
Our website provides the most authoritative and comprehensive datasheet for the DG412DQ-T1-E3 product model. For detailed pinouts, electrical characteristics, application circuits, and layout design support, we strongly recommend downloading the official datasheet directly from the current product page.
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