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Dear Team,
My customer is looking for a 8 bit or 16 bit SPDT MUX for 400kHz PWM signal.
I found SN74CBT16232, but its Rdon (Max) is 12 ohm. My customer hopes that Rdon could less than 5 ohm.
Could you please help to provide a suitable solution for my customer?
Thank you.
Jim
Jim,
Why do you need lower Ron for a PWM signal? Since it is a low current digital application (~1mA) the voltage drop across the switches Ron will be low. (10mA)*(12 ohm) = 120mV. Will 120mV cause the signal to drop below the Vih min of the receiver?
You can use the ti.com switch search tool to filter for 8 or 16 channel 2:1 and sort Ron max least to greatest. The TS5MP646 will be the lowest Ron option.
Thank you,
Adam