Noise Immunity
n
BINARY
n
2 values 0,1
n
1 isolation band
n
1.6 volt isolation band
n
Good noise imunity,
0.5 volt noise on
power no problem
n
DECIMAL
n
10 values 0..9
n
9 isolation bands
n
0.32 volt isolation
bands
n
0.5 volt power noise
would destroy
readings