I have a question about ADC of ADV7842.
I want to get the following result of ADC.
digital output voltage = 4095LSB
For that, I set the following setting for ADC.
*It take off resistor divider
A_GAIN[9:0] = 0x300
CP_MODE_GAIN_ADJ[7:0] = 0x5C
As a result,
When analog input voltage is about 0.66V, I got a result that digital output voltage is 4095LSB.
I thought that can get a result that digital output voltage is 4095LSB when analog input voltage is about 0.49V.
Why is this?
I made a mistake of the register setting and the other thing ?
Please teach me.