ZHCSJ34F December 2015 – May 2019 TDA2HF , TDA2HG , TDA2HV , TDA2LF , TDA2SA , TDA2SG , TDA2SX
PRODUCTION DATA.
Although the impedance of a ground plane is low it is, of course, not zero. Therefore, any noise current in the ground plane causes a voltage drop in the ground. Figure 8-47 shows the grounding scheme for slow (low frequency) clock generated from the internal oscillator.
Figure 8-48 shows the grounding scheme for high-frequency clock.