The following is the relationship of ADAS3203 input voltage and digitial code of my mind:
For the positive(using ±10.24 Range and exclude the signal bit):
1.The max input voltage can not reach 10.24V, The max is 10.24V*32767/32768, Is this right?
2.The relationship of others for the positive input voltage is : Digitial Code = Vin/LSB = Vin/(10.24/32768),Is this right?
For the negative(I'm confused):
The relationship I guss : Digitial Code = (Vin(neg) + 10.24)/LSB = (Vin(neg) + 10.24)/(10.24/32768), I'm infer this according to -FSR+LSB is -10.24*32767/32768 and -FSR is -10.24V. If this inference is right, so the -10.24/32768 msut be 0xFFFE, but it's 0xFFFF in the datasheet.so it sames 1 LSB has been lost. So can you give me an equation for the negative input voltage and the digitial code.
this table is obtained by Table 6 in ADAS3203 datasheet.