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STW5093 データシート(PDF) 32 Page - STMicroelectronics

部品番号 STW5093
部品情報  2.7V SUPPLY 14-BIT LINEAR CODEC WITH HIGH-PERFORMANCE AUDIO FRONT-END
PDF  34 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW5093 データシート(HTML) 32 Page - STMicroelectronics

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POWER SUPPLY NOTES
Two different strategies can be used to minimize power supply noise/interference.
a) Recommended strategy: keep analog and digital power supply rails separate. This requires to use two sets
of capacitors, one from AVCC to AGND and the other from DVCC to DGND.
Figure 10.
b) Low cost strategy: tie analog and digital power supplies together as close as possible to GND and VCC pins.
This allows to use only one set of capacitors between VCC and GND.
Figure 11.
VCCP
STw5093
D98TL412
100nF
10
µF
AVCC
VCCA
GNDP
GNDA
GND
100nF
AGND
AGND
DGND
DVCC
AGND
DGND
VCC
VCCP
STw5093
D98TL413
10
µF
VCCA
GNDP
GNDA
GND
100nF
VCC



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