TJA1020 Master Resistor

[Mahdi79]

Hi

We are using TJA1020 in our design and I want to know how to calculate the range of R_Master. In AN00093 page 27, there is an equation for this (picture is attached). I need to know why the term "Rs*Leakage" is positive, and also what is Rs = 300kohm? I didn't find it in datasheet.

BR

[guoweisun]

ILEAK = leakage current from LIN bus to ground (e.g. plug leakage current)

A LIN bus leakage current to ground of ILEAK £ 10 mA per unsupplied node is expected.

RS=300K  In a LIN network the master resistor RMASTER (Ref. 2) and the slave resistors RSLAVE

(Ref. 2) are accurately defined by the LIN standard