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ADC3669EVM: ADC共模电压/ADC common-mode voltage

T yh
Prodigy 20 points

Part Number: ADC3669EVM
Other Parts Discussed in Thread: ADC3669, LMH5401, OPA376

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绿框部分1.5K和10K电阻值是根据什么确定的？/How are the 1.5K and 10K resistor values in the green box determined?
红框部分连接了ADC3669的Vcm输出引脚（Pin21），这个是ADC内置的1.4V基准源吗？/The part in the red box is connected to the Vcm output pin (Pin 21) of the ADC3669. Is this the ADC's built-in 1.4V reference source?