In our new board i am planning to use AD5422 as 4-20mA loop tranmitter.
Since i need 0.5% accuracy @ FSR my idea is to use external Rset resistor to have much more margin.
In the datasheet of AD5422, specs are getting better with external Rset usage and i have three questions regarding to this;
1- What is part number of the Rset that the specs are based on. Is it the same with EVAL board? In EVAL board Rset is given as FEC 1140932" but i could not find this part in the internet.
2- How do i calculate accuracy wrt external Rset parameters?
3- Is there any way to use AD5422 for Loop powered 4-20mA current loops?