Original Part
Alternative Part
1. DG454EY-T1-E3 Substitution Conclusion
Not recommended as a direct replacement. While its on-resistance (5.3Ω) is significantly lower than that of the original part (50Ω), which would reduce signal attenuation and power dissipation, its key dynamic performance parameters differ substantially. The switch is more than twice as slow (Ton/Toff 118ns/97ns vs. 50ns/50ns), exhibits over twice the charge injection (22pC vs. 10pC), and has approximately three times the off-capacitance (~32pF vs. 10pF). In circuits requiring fast switching, high-precision sample-and-hold, or high-frequency signal processing, this device would introduce greater switching error, signal distortion, and bandwidth limitations. Furthermore, its minimum single-supply operating voltage (12V) is higher than the original part's (10.8V), potentially causing compatibility issues in low-voltage applications.
2. DG201HSDY-T1-E3 Substitution Conclusion
Recommended as a high-performance substitute. Its core static parameters—on-resistance (50Ω) and leakage current (1nA)—are identical to the original part, ensuring equivalent fundamental signal transmission loss and off-isolation. Simultaneously, it demonstrates superior performance in all critical dynamic aspects: comparable or slightly faster switching speed (60ns/50ns) and improved charge injection (-5pC vs. 10pC), resulting in smaller switching transient errors in precision analog switching applications such as sample-and-hold circuits. Its crosstalk performance is significantly enhanced (-100dB vs. -86dB), providing superior channel-to-channel isolation. The device also offers a wider operating voltage range (single supply 13-36V, dual supply ±7 to ±22V) that fully encompasses and exceeds the original part's range, ensuring excellent compatibility.
Analysis ID: EE99-5630000
Based on part parameters and for reference only. Not to be used for procurement or production.
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