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DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No. DESCRIPTION OF CHANGE
AVD ADC.SCH
AV8 Analogue to Digital Converter
Contact Engineer:
L896CT
1-Aug-2002
INITIALS
Printed:
2 11Sheet of
Notes:
Contact Tel: (01223) 203200EngName A Dutton
A & R Cambridge Ltd.
Pembroke Avenue
Cambridge CB5 9PB
Waterbeach
23425
ADC I2S SCLK
ADC I2S MCLK
ADC I2S LRCLK
ADC DATA
ADC PDN RST
C214
100N 0805
C215
100N 0805
ADC_AINL
ADC_AINR
AGND
D200
BAV99W DUAL SM
P3V3A
P5VA
P5VA
AGND
AGND
1
2
3
45
6
7
8
RP200
100R X 4 ISO
+
C224
10U EL SG
+ C223
10U EL SG
+ C221
10U EL SG
+ C222
10U EL SG
VREFL
1
GNDL
2
VCOML
3
AINL+
4
AINL-
5
ZCAL
6
VD
7
DGND
8
CAL
9
RST
10
SMODE1
11
SMODE2
12
LRCLK
13
SCLK
14
DSATA
15
FSYNC
16
MCLK
17
DFS
18
HPFE
19
TEST
20
BGND
21
AGND
22
VA
23
AINR+
25
AINR-
24
VCOMR
26
GNDR
27
VREFR
28
IC200
AK5383
AGNDAGNDAGND
C213
100N 0805
C212
100N 0805
C208
100N 0805
C210
100N 0805
C209
100N 0805
C211
100N 0805
P3V3A
P3V3A
AGND
P3V3A
AGND
AGND
3
2
1
IC201A
OPA2134PA SM
3
2
1
IC203A
OPA2134PA SM
84
IC201C
OPA2134PA SM
84
IC202C
OPA2134PA SM
R207
5K1 0805 1%
R211
2K2 0805 1%
R215
47R 0805
C205
47P NPO 0805
BIAS
5
6
7
IC203B
OPA2134PA SM
R206
5K1 0805 1%
BIAS
R210
2K2 0805 1%
R214
47R 0805
C204
47P NPO 0805
C202
47P NPO 0805
R212
47R 0805
R208
2K2 0805 1%
BIAS
R204
5K1 0805 1%
5
6
7
IC202B
OPA2134PA SM
BIAS
C203
47P NPO 0805
R213
47R 0805
R209
2K2 0805 1%
R205
5K1 0805 1%
3
2
1
IC202A
OPA2134PA SM
C206
22N PE
C207
22N PE
R200
4K7 0805
R201
4K7 0805
5
6
7
IC201B
OPA2134PA SM
R202
4K7 0805
R203
4K7 0805
AGND
D202
BAV99W DUAL SM
P5VA
+
C225
10U EL SG
C220
100N 0805
AGND
P5VA
BIAS
C216
100N 0805
C218
100N 0805
C217
100N 0805
C219
100N 0805
AGNDAGND
P15VA
N15VA
84
IC203C
OPA2134PA SM
C226
100N 0805
C227
100N 0805
AGND
AGND
D201
BAV99W DUAL SM
P5VA
AGND
D203
BAV99W DUAL SM
P5VA
R216
10K 0805 1%
R217
10K 0805 1%
BIAS
BIAS
ADC HS
ADC HS
R218
5K1 0805 1%
R219
5K1 0805 1%
R220
5K1 0805 1%
R221
5K1 0805 1%
AUDIO_GROUND
1 2
C200
100U NP
C201
100U NP
C228
100U NP
WAF 12/02/02 1.202_E044
R701 TO R704 & R708 TO R711 CHANGED TO 3K3 IC104 UPDATED
C200, C201 & C228 changed from 10U 35V to 100U 16V R911 TO 10K
02_101 WF/AD 16/5/02 IC906 FROM 5G24LC08 TO 5G24LC16 TO GIVE MORE SPACE 1.3.0
02_E127 AD 27/06/02 Remove R803 for PLL board upgrade 1.4.0
02_E160 WAF 27/06/02 R921 FROM 10K TO 33K 1.5.0
02_E161 WAF 1/8/02 CHANGES TO SOME PHASE LOCKED LOOP COMPS AND IC907 1.6.0