WM8523GEDT WOLFSON [Wolfson Microelectronics plc], WM8523GEDT Datasheet - Page 46
WM8523GEDT
Manufacturer Part Number
WM8523GEDT
Description
24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8523GEDT.pdf
(51 pages)
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WM8523
RECOMMENDED PCB LAYOUT – 24-LEAD QFN
Figure 40 Recommended PCB Layout
Notes:
1.
2.
3.
4.
w
C5 should be placed as close to WM8523 as possible, with minimal track lengths to reduce inductance and maximise
performance of the charge pump. Vias should be avoided in the tracking to C5.
C1 is then next most important and should also be placed as close as possible to the WM8523. Again, minimise
track lengths and avoid vias to reduce parasitic inductance.
C2 and C4 are then next most important, and lastly C3.
The WM8523 evaluation board, details available at www.wolfsonmicro.com, shows an example of good component
placement and layout to maximise performance with a minimal BOM.
PD, Rev 4.1, August 2011
Production Data
46
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