TDC1000 / Input Impedance of VCOM with VCOM_SEL:external

Kuramochi Tadahiko

Guru 28715 points

Hi,

I'm requested following from my customer.

Would you show me the Input Impedance of VCOM with VCOM_SEL:external?

Best Regards,

Kuramochi

over 9 years ago

0 Vishy Viswanathan over 9 years ago

TI__Mastermind 21685 points

I need to check if data is available on this and get back to you. thanks.

0 Michael Stout over 9 years ago in reply to Vishy Viswanathan

TI__Genius 16890 points

Hello,

I was not able to find char data for this. You should be able to get an approximate value if you put the part in external mode, apply a voltage and measure the current going into the pin. It will probably be very low, perhaps in the low nA range.

Mike

Sensors

Sensors forum

TDC1000 / Input Impedance of VCOM with VCOM_SEL:external