hsdl-3203 Avago Technologies, hsdl-3203 Datasheet - Page 13

• Manufacturer Part Number: hsdl-3203
• Description: Small Profile Package Irda Data Compliant Low Power 115.2 Kbit/s Infrared Transceiver - Agilent Hewlett-packard
• Manufacturer: Avago Technologies

Appendix B: PCB Layout Suggestion
The following shows an example
of a PCB layout using option
#021 that would result in good
electrical and EMI performance.
Things to note:
1. The ground plane should be
2. The shield trace is a wide, low
3. The AGND pin is connected to
4. C1 and C3 are optional supply
5. VLED can be connected to
1 3
continuous under the part, but
should not extend under the
shield trace.
inductance trace back to the
system ground.
the ground plane and not to
the shield tab.
filter capacitors; they may be
left out if a clean power sup-
ply is used.
either unfiltered or unregu-
lated power supply. If VLED
and V
supply and C1 is used, the
connection should be before
the C1 cap. In a noisy envi-
ronment, supply rejection can
be enhanced by including C3
as well.
CC
share the same power
Figure 18. PCB layout suggestions.
C3
R1
COMPONENT SIDE
CIRCUIT SIDE
C1
C2