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MT8205 ANALOG DECOUPLING&DIGITAL DECOUPLING
DV18A
—
DV18A
1 . 2 . 3
>>DACVREF
3
» D A C F S
3
ADCPLLVDD1
»ADCPLLVDD1 3
»ADC PLLVDD 3
»APLLVDD
3
»AN A L O G V D D 3
»VPLLVDD
3
>>LVDDA
3
»VREFP4
>>VREFN4
»A D C V D D C
»A D C V D D 4
ÄP W M 2 V R E F
ÄAUXTOF
»AUXBOTTOM
>S REXTA
>>APLL_CAP
»XTALI
>>XTALC
T I
r
VICM
VREFP4
ADC_VDD
L1C
BEAD/SMD/0805
L13
BEAD/SMD/0603
R19
XTAL
Y1
27MHz
C11
33pF
CB24
0 .1 uF
C0603/SMD
I
CB28
° 1uF
CB33
CB25
0.1uF
° 1uF
DV18A
47uF
— I —
T
C0603/SMD
DACVREF
C33 II 0.1uF/NC
GND
APLL CAP
C3 2 II
1500pF
G N D
REXTA
R24. . .3.3k______ G N D
0603 PUT ON NEARLY BGA
DACFS
R27 . . .560
GND
ADCPLLVDD1
CB42
CE22
C 1uF
47uF/16v |
C0603/SMD
DIGITAL DECOUPLING
CB26
CB31
C22
0.1uF
0.1uF
0.01uF
=^= CB37
= ; = CB38
= ; = CB39
I ^= CB40
0.1uF
0.1uF
0.1uF
0.1uF
C0603/SMD
C0603/SMD
C0603/SMD
C0603/
0603 PUT ON NEARLY BGA
C29
3300pF
3300pF
T
C0603/SMD
C0603/SMD
SMD
L7
_ n r \ _
BEAD/SMD/0603
CC6 C
GND
R20
ADCPLLVDD
1
---------- I
C^
X
1 + CE14
=
4.7uF =
**T'* 22uF/25v CC6C3/SMD
GND
ANALOGVDD
1
---------- I
C T
T
1+ CE15
^ ^ 4.7uF
. « 'T '' 47uF/16v CC6C3/SMD
GND
R22
1
---------- I
C H
T
1+ CE2C
=
4.7uF =
**T'* 22uF/25v CC6C3/SMD
GND
ANALOGVDD
— ,_4 . 7uF —
C0603/SMD
R23
0
L11
- J W .
I C19
I
CB27
BEAD/SMD/0603
Z = 4.7uF = 1
0.1uF
C0603/SMD
C0603/S
+ CE21
I C21
I
CB29
47uF/16v
^ ± 4.7uF
0.1uF
C0603/SMD
C0603/S
— , — 47uF — , —
0.1uF
C0603/SMD
C0603/SMD
_______ GND
R21
0
_9
BEAD/SMD/0603
CE19
GND
GND
GND
50/47R
AUXTOP
50/47R
AUXBOTTOM
iz e
Doc Number
C
TP5
TP6
V1.2
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