Original Part
Alternative Part
1. DG441BDY-E3 Substitution Conclusion
As a direct replacement, this part requires careful consideration and is only viable under specific conditions. The DG441BDY-E3 aligns closely with the original DG441DYZ in core functionality, channel count, package, and most dynamic and leakage parameters (e.g., switching times, charge injection, off capacitance). The key difference lies in the supply voltage range: its single-supply operational minimum is 13V, whereas the original part can operate down to 5V. If the original circuit design relies on single-supply operation between 5V and 13V, the DG441BDY-E3 will fail to power up or function, resulting in a failed substitution. Other minor variances include a slightly lower on-resistance (80Ω vs. 85Ω) and a specified channel matching (2Ω). The crosstalk test frequency differs (100kHz vs. 1MHz), but these factors have negligible impact in most applications. The primary prerequisite for substitution feasibility is confirming that the original system's single-supply voltage consistently exceeds 13V.
2. DG441BDY-T1-E3 Substitution Conclusion
Its substitution conclusion is identical to that of the DG441BDY-E3 and can be considered equivalent. All electrical parameters, performance specifications, and packaging for the DG441BDY-T1-E3 are fully consistent with the DG441BDY-E3. The "-T1" suffix typically denotes a difference only in reel packaging format, optimized for automated surface-mount assembly processes. This is a distinction in physical packaging and supply chain attributes, not a change in electrical characteristics or performance. From a circuit design and functional substitution standpoint, it is subject to the exact same conditions and limitations as the DG441BDY-E3. Specifically, the higher minimum single-supply operating voltage requirement (13V) must be rigorously evaluated and met; otherwise, it cannot directly replace the original part.
Analysis ID: A948-383A000
Based on part parameters and for reference only. Not to be used for procurement or production.
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