WM8850
Pre-Production
REQUIRED JACK DETECT COMPONENTS
Figure 24 Required Jack Detect Components
The WM8850 supports jack detect on all analogue input and output ports, as well as on the S/PDIF output. This is
implemented as per the High Definition Audio Specification Revision 1.0, section 7.4.2 and as such requires the resistor
values shown in Figure 24 above. Note that, as per the High Definition Audio Specification, it is a requirement that the
tolerance on these resistors is 1% or better.
PP, April 2011, Rev 3.2
220
w