I connected the AOUT via the Linedriver to see what happens
Results from the testaoutpin via mios terminal
J1 of AOUT_NG
between Pin 1 and Pin 2 I have 4.8 Volt
testaoutpin cs 0 => pin 3 => 0,13 V
testaoutpin cs 1 => pin 3 => 3,67 V
testaoutpin si 0 => pin 4 => 0,13 V
testaoutpin si 1 => pin 4 => 3,66 V
testaoutpin sc 0 => pin 5 => 0,13 V
testaoutpin sc 1 => pin 5 => 3,64 V
so all seems like it should be
BUT ... PIN 13 (OUTB) of the TLV5630 gives 2,16V permanently .... so ... solderissue there ... somewhere ... or TLV damaged like latigid_on said .....
so, luckily I have to place another mouser order next days ... wheeeee ....