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ADF4372 Reference Port REFP Input Impedance For Single-Ended Configuration

Category: Datasheet/Specs
Product Number: ADF4372

Hello,

When driving the REFP port in single-ended configuration (Bit 6 in Address 0x22 set to 0), what is the input impedance of this port?  Figure 29 in datasheet suggests it is 100ohms with external bypass cap to ground on REFN port.  Is this true?  Is the REFP port input impedance 100ohms?

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