TMUX1209: TMUX1209

Jigar Jain

Part Number: TMUX1209
Other Parts Discussed in Thread: SN74LV4052A, CD74HC4052, CD74HCT4052

Tool/software:

Hello TI Team,

I would like to interface the 3 different CT output(2Signal) through the TMUX1209. Would you please help? Can this IC be OK for this application? Is it needed to give a negative supply?

If not, please suggest the new part .

Regards

Jigar

3 months ago

0 Clemens Ladisch 3 months ago

Guru 316780 points

What are the voltage and frequency ranges of these signals?

0 Jigar Jain 3 months ago in reply to Clemens Ladisch

Prodigy 45 points

The Voltage 5V and Frequency 50Hz of these signals.

0 Clemens Ladisch 3 months ago in reply to Jigar Jain

Guru 316780 points

A negative supply would be needed only for negative voltages.

The TMUX1209 will work. The SN74LV4052A is cheaper, with a higher switch resistance (25 Ω).l

0 Jigar Jain 3 months ago in reply to Clemens Ladisch

Prodigy 45 points

Hi Clemens,

CT output is a sine wave. Hope you know that. That's good if, without negative voltage, the TMUX1209 will work. Please check it again and suggest accordingly.

0 Clemens Ladisch 3 months ago in reply to Jigar Jain

Guru 316780 points

What is the minimum voltage of the CT output signals? 0 V or −5 V?

0 Jigar Jain 3 months ago in reply to Clemens Ladisch

Prodigy 45 points

It's -5V..

0 Clemens Ladisch 3 months ago in reply to Jigar Jain

Guru 316780 points

Then you need a switch that supports negative signals, e.g., CD74HC4052/CD74HCT4052, and a −5 V supply.

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TMUX1209: TMUX1209