Figure 1 below is the detailed figure of the voltage input stage. The ideal input impedance is 11MΩ, therefore the differential impedance is 22MΩ. The actual value may vary from part to part.
Figure 1 Simplified Voltage input circuit of AD4116
AD4116
Recommended for New Designs
The AD4116 is a low power, low noise, 24-bit, Σ-Δ analog-to-digital converter (ADC) that integrates an analog front end (AFE) for six fully differential...
Datasheet
AD4116 on Analog.com
Figure 1 below is the detailed figure of the voltage input stage. The ideal input impedance is 11MΩ, therefore the differential impedance is 22MΩ. The actual value may vary from part to part.
Figure 1 Simplified Voltage input circuit of AD4116