CD4052B: vdd selection if using as ADC input mux - Switches & multiplexers forum - Switches & multiplexers - TI E2E support forums
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CD4052B Multiplexer/Demultiplexer Datasheet pdf - Analog Multiplexer/Demultiplexer. Equivalent, Catalog
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pcb design - CD4052 multiplexer with different input voltages - Electrical Engineering Stack Exchange
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