Mt8205 Analog Decoupling - VIORE PDP4210EA Service Manual

A
MT8205 ANALOG DECOUPLING&DIGITAL DECOUPLING
DV18A
DV18A 1,2,3
AV33
DA CVREF
DACVREF 3
DA CFS
DACFS 3
ADCPLLVDD1
ADCPLLVDD1 3
ADCPLLVDD
ADCPLLVDD 3
APLLVDD
APLLVDD 3
ANALOGVDD AV33
ANALOGVDD 3
VPLLVDD
VPLLVDD 3
LVDDA CE12
LVDDA 3
CB11
+
ADCV DD 10uF/25v 0.1uF
ADCVDD 3
DACV DD
DACVDD 3
4
AVCM
AVCM 3
VOCM
VOCM 3
VICM
VICM 3
VREFP4
VREFP4 3
V REFN4
VREFN4 3
ADC VDD0
ADCVDD0 3
ADC VDD4
ADCVDD4 3
PWM2VREF
PWM2VREF 3
AUXTOP
AUXTOP 3
AUXBOTTOM
AUXBOTTOM 3
REXTA
REXTA 3
APLL_CAP
APLL_CAP 3
XTALI
XTALI 3
XTALO
XTALO 3
VCC
FOR ADCVDD
AVCM
CB45
4.7uF
GND
VOCM
CB46
+
0.1uF CB18
CE16 0.1uF
GND 100uF/16v
VICM
CB47
0.1uF
GND
3
VREFP4 ADC_VDD
C0603/SMD
L10
CB44 4.7uF
CB48 G ND
4.7uF
FB
C0603/SMD BEAD/SMD/0805
CB49 4.7uF
C0603/SMD
V REFN4
L13
2
FB
BEAD/SMD/0603
R19
100k
XTALI
Y1 27MHz
C11
33pF
1
A
B
L6
FOR DACVDD
FB C7
BEAD/SMD/0603 CE13 4.7uF
C0603/SMD
+
10uF/25v
C9
4.7uF
C0603/SMD
C14
4.7uF
C0603/SMD
R101 0/NC
R0805/SMD
U8 CM1117-3.3V
L8
Vout
3 2
IN OUT
FB
BEAD/SMD/0805 CE18
+
CE17 10uF/25v CB16
+
220uF/16v
SOT223/SMD 0.1uF
ADC VDD0
CB24
0.1uF
C0603/SMD
GND
ADC VDD0
CB28 CB30
0.1uF 0.1uF
DV33A
GND
ADC VDD0
CB33 CB43
0.1uF 0.1uF
GND
ADC VDD4
DV18A
C26 CB41
4.7uF 0.1uF
C0603/SMD
GND
DA CVREF C33 0.1uF/NC GND
GND
APLL_CAP C32 1500pF
XTALO
REXTA R24 3.3k GND
C12
33pF
GND
DA CFS R27 560 GND
B
C
DV18A
L12
DACV DD
DV18A
CB10
0.1uF FB
C0603/SMD BEAD/SMD/0603 C24
GND 4.7uF
C0603/SMD
DACV DD
CB12
0.1uF
C0603/SMD
GND
DACV DD
CB14
0.1uF
C0603/SMD
GND
L14
ADC VDD0
FB
C27
CB35 4.7uF
0.1uF C0603/SMD
ADC_VDD
GND
ADC _VDD
PWM2VREF
CB17
CE22
+
0.1uF 47uF/16v
GND
DIGITAL DECOUPLING
CB25 CB26 CB31 C22 C23
0.1uF 0.1uF 0.1uF 0.01uF 3300pF
CB37 CB38 CB39 CB40
0.1uF 0.1uF 0.1uF 0.1uF
C0603/SMD C0603/SMD C0603/SMD C0603/SMD
0603 PUT ON NEARLY BGA
C28 C29 C30 C31
3300pF 3300pF 3300pF 3300pF
C0603/SMD C0603/SMD C0603/SMD C0603/SMD
0603 PUT ON NEARLY BGA
C
D
DV33A
L7
FB
ADCPLLVDD1
BEAD/SMD/0603
C10
0.1uF
CB32 R20
0.1uF
C0603/SMD
0
CE14
+
GND 22uF/25v
CE15
+
47uF/16v
ADCV DD
CB36 R22
0.1uF
C0603/SMD
0
GND
CE20
+
22uF/25v
CB42
0.1uF
C0603/SMD
GND
AV33
R23
0
L11
FB
BEAD/SMD/0603
C20
0.1uF
CE21
+
47uF/16v
AV33
R21
0
L9
FB
BEAD/SMD/0603
CE19
+
C16
0.1uF 47uF/16v
LVDDA L15 FB
Title
Size Doc Number
C
Date: Wednesday, October 12, 2005
D
E
ANALOGVDD
C8
4.7uF
C0603/SMD
GND
ADCPLLVDD
4
C13 CB13
4.7uF 0.1uF
C0603/SMD C0603/SMD
GND
ANALOGVDD
C15 CB15
4.7uF 0.1uF
C0603/SMD C0603/SMD
GND
APLLVDD
C17 CB20
4.7uF 0.1uF
C0603/SMD C0603/SMD
GND
ANALOGVDD
C18 CB22
4.7uF 0.1uF
C0603/SMD C0603/SMD
GND
3
VPLLVDD
C19 CB27
4.7uF 0.1uF
C0603/SMD C0603/SMD
GND
VPLLVDD
C21 CB29
4.7uF 0.1uF
C0603/SMD C0603/SMD
GND
VPLLVDD
C25 CB34
4.7uF 0.1uF
C0603/SMD C0603/SMD
GND
2
LVDDA
CB19 0.1uF
C0603/SMD
GND
LVDDA
CB21 0.1uF
C0603/SMD
GND
LVDDA
CB23 0.1uF
C0603/SMD
GND
TP5
R25 50/47R AUXTOP
TP6
R26 50/47R AUXBOTTOM
1
R e v
MT8205 DECOUPOMG--ANALOG
V1.2
Sheet 4 o f 15
E