LDC1612: LDC1612 Questions about Rp.

Chun Youngsu

Expert 2485 points

Part Number: LDC1612

Dear TI Team,

I need help during the design if the LDC1612.

When I checked to control IDRIVE on the LDC1612, I saw that there was an IDRIVE register setting according to Rp value.

How is the value of Rp calculated?

Can I measure the Rp value?

Thanks.

over 7 years ago

0 Chris Oberhauser66 over 7 years ago

TI__Genius 14270 points

Hello Chun,
Take a look at this App-note: www.ti.com/.../snaa221a.pdf for information on Rp. You can use an Impedance analyzer or a VNA to measure the Rp. Or, set a specific IDRIVE and measure the sensor amplitude with a scope.

Regards,

ChrisO

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LDC1612: LDC1612 Questions about Rp.