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The MC74LVXT4051DG is an analog multiplexer/demultiplexer manufactured by onsemi, featuring a single 8-to-1 configuration housed in a 16-pin SOIC package. It operates within a supply voltage range of 2.5 V to 6 V and supports dual supply configurations from ±2.5 V to ±6 V. Key electrical specifications include a maximum on-resistance of 86 Ohms, a bandwidth of 80 MHz, and a propagation delay of 40 ns. The device functions across an extended temperature range from -55°C to +125°C with a power dissipation rating of 500 mW.
Verify the specific suffix DG indicates tube packaging when sourcing this component. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected variant matches the required operating temperature range and package dimensions for the target PCB layout design.
Select this component for designs requiring 8-channel analog switching with a wide operating temperature range. Compare the 86 Ohm on-resistance against system signal integrity requirements. Consider the 40 ns propagation delay for timing-sensitive applications and verify compatibility with the available 2.5 V to 6 V supply rails.
This part belongs to the MC74LVXT4051 series of silicon gate CMOS analog multiplexers. It shares pinout compatibility with legacy HC405nA and metal gate MC1405nB devices, facilitating direct upgrades in existing designs. The LVXT series specifically targets low-voltage digital systems while maintaining robust analog switching performance.
Direct substitutes include the MC74LVXT4051DR2G variant, which differs only in reel packaging. Other family members like the MC74LVXT4052 offer different channel counts. Verify pin compatibility before replacing with non-LVXT series parts due to potential voltage threshold differences.