Q1) What would be the minimum and maximum voltage values we should observe on IOG pin for the RS-170 application? In other words, will the output voltage swing be between 0V and 1.4V or will it be between -0.4V and 1.0V when the analog outputs are terminated as shown in Figure 7 on page 12 in the datasheet?
Q2) We would like to use VREF pin as voltage reference output, assuming we are fine with the min and max voltage deviance (1.12V and 1.35V as stated in the datasheet). Is that OK if we leave the VREF pin floating or should we bypass it to ground or to supply? Can you elaborate more on the VREF functionality for the internal mode usage since there is not much information in the datasheet unlike the external mode?