DG470EY-T1-E3

Overview

The DG470EY-T1-E3 is a high voltage single-pole double-throw (SPDT) analog switch manufactured by Vishay Siliconix. It operates with dual supplies up to ±15 V or a single supply of 12 V, supporting an analog signal range extending to the supply rails. The device features a typical on-resistance of 3.6 Ω and includes an enable pin for high-impedance control. It is housed in an 8-pin narrow SOIC package and supports an operating temperature range from -40 °C to +125 °C.

Feature Summary

• Includes an enable input that forces both switch sides into a high-impedance state when activated, providing a safe power-up state or quick disconnect capability.
• Guarantees break-before-make switching action to prevent momentary shorting between channels during transitions.
• Features TTL/CMOS compatible digital inputs with defined logic thresholds to ensure low-voltage compatibility.

Applications

• Audio and video signal switching
• Precision automatic test equipment
• Relay replacement
• Communications systems
• Medical equipment

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for product discontinuance notices prior to procurement. Ensure the ordering suffix matches the required package type and temperature rating specifications.

Selection Notes

Select this component for applications requiring high voltage handling and precise analog signal routing. The integrated enable pin distinguishes it from the DG469 variant, offering additional control flexibility. Verify that the package dimensions align with the PCB layout requirements for the 8-pin narrow SOIC form factor.

Part Context

This part belongs to the DG469/DG470 family of high voltage SPDT analog switches. While functionally identical to the DG469, the DG470 specifically incorporates an enable pin for enhanced system control. Both variants share similar electrical characteristics and are designed for robust performance across wide temperature ranges.

Replacement Considerations

The DG469EY-T1-E3 serves as a functional substitute if the enable pin functionality is not required in the design. Verify pinout compatibility and ensure the absence of the enable feature does not impact the specific application's safety or control logic requirements.

FAQ

What is the primary difference between the DG469 and DG470?

The DG470 includes an enable input pin that allows the switch to be forced into a high-impedance state, whereas the DG469 lacks this feature.

Does the DG470 support break-before-make switching?

Yes, the device guarantees break-before-make switching action to prevent momentary shorting when switching between channels.

What is the maximum analog signal range?

The analog signal range extends to the supply voltage rails, supporting up to ±15 V with dual supplies or 12 V with a single supply.