Analog Devices EVAL-ADuC7026, User Manual

Page: 11 / 16

EVAL-ADuC7026 User Guide UG-669
Rev. B | Page 11 of 16
SCHEMATIC AND ARTWORK
05032–004
JTAG CONNE CTO R
P
O
W
E
R
S
U
P
P
L
IE
S
IR
Q0
R
E
S
E
T
DE
M
O
CI
RCUI
T
ANALO G I NTE RFACE
U1
BY
P
AS
S
CAP
ACI
T
O
RS
DIG IT AL I NTE RFACE
P
4
.5
P
4
.4
P
4
.3
P
4
.2
P
1
.1
P
1
.2
P
1
.3
P
1
.4
P
1
.5
P
4
.1
P
4
.0
P
1
.6
P
3
.6
P
0
.7
P
2
.0
P
0
.5
P
0
.4
P
3
.5
P
3
.4
P
3
.3
P
3
.2
P
3
.1
P
3
.0
P
0
.6
P
0
.0
P
4
.7
P
4
.6
P
1
.7
P
1
.0
S
E
RI
AL
DO
W
NL
O
AD
DE
M
O
CI
RCUI
T
P
4
.2
V
R
E
F
V
OC
M
LE
D
P
OT
ADC3 ADC4 IN
–
IN
+
UART
P
2
.6
N
/C
N
/C
TD
O
TD
I
T
M
S
TC
K
TR
S
T
C9
AND C1
0
NO
T
P
O
P
UL
AT
E
D
P
2
.2
P
2
.1
P
2
.7
P
3
.7
P
0
.1
P
2
.3
P
0
.2
P
2
.4
P
0
.3
P
2
.5
C9
10n
F
C
10
10n
F
D3
1
ADC4
2
ADC5
3
ADC6
4
ADC7
5
ADC8
6
ADC9
7
ADC1
0
8
G
NDRE
F
9
ADCNE
G
10
DAC0
11
DAC1
12
DAC2
13
DAC3
14
T
M
S
15
TD
I
16
P
0
.1
17
P
2
.3
18
P
4
.6
19
P
4
.7
20
P
0
.0
21
P0 .6
22
TCK
23
TDO
24
P0 .2
25
IOGND
26
IOVD D
27
LVD D
28
DGNG
29
P3 .0
30
P3 .1
31
P3 .2
32
P3 .3
33
P2 .4
34
P0 .3
35
P2 .5
36
P2 .6
37
RS T
38
P3 .4
39
P3 .5
40
P0 .4
41
P
0
.5
42
P
2
.0
43
P
0
.7
44
X
CL
KO
45
X
CL
KI
46
P
3
.6
47
P
3
.7
48
P
2
.7
49
P
2
.1
50
P
2
.2
51
P
1
.7
52
P
1
.6
53
IOGN
D
54
IOV
D
D
55
P
4
.0
56
P
4
.1
57
P
1
.5
58
P
1
.4
59
P
1
.3
60
P
1
.2
61
P1 .1
62
P1 .0
63
P4 .2
64
P4 .3
65
P4 .4
66
P4 .5
67
REF GND
68
VR EF
69
DACREF
70
DACGND
71
AGND
72
AGND
73
AVDD
74
AVDD
75
DACVDD
76
ADC11
77
ADC0
78
ADC1
79
ADC2
80
ADC3
U1
ADUC7
0
2
6
C
21
12p
F
C
20
12p
F
Y
1
32.
768kH
z
S
3
S
4
R
16
1kΩ
R
17 1kΩ
C19 470nF
C
24
0.
1µ
F
L1
R
20
270Ω
R
19
1.
5Ω
C7
22pF
D4
R
15
1kΩ
R
14
0Ω
3
+
2
–
1
U
4–A
AD8
6
0
6
ARZ
5
+
6
–
7
U
4–B
AD8
6
0
6
ARZ
8
V
+
4
V
–
U
4–C
8
+
IN
2
V
OC
M
1
–
IN
5
–
OU
T
4
+
OU
T
6
V
–
3
V
+
U3 A
D
8132
R
10
60.
4Ω
R
11
60.
4Ω
C8
22pF
R5
348Ω
R6
348Ω
R9
348Ω
R8
348Ω
C4 0.
1µ
F
C
11
470n
F
R22
100kΩ
R21
100kΩ
R
18
270Ω
C
12
0.
1µ
F
D1
R
12
270Ω
R
13
0Ω
CW
R1
C2 0.
1µ
F
R2
100Ω
R3
200Ω
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
S
1
S
W
8
D
IP
S
2
2
+
V
IN
5
T
R
IM
6
V
OU
T
4
GN
D
U2
A
D
R
291E
C3 0.
1µ
F
R7
24.
9Ω
R4
49.
9Ω
C6
0.
1µ
F
+
C5
10µ
F
+
C1
10µ
F
J1–1 J1–2 J1–3 J1–4
D2
J4Z
10
J4-
9
J4-
3
J4-
4
J4-
5
J4-
6
J4-
7
J4-
8
2
IN
7
S
D
3
GN
D
1
OU
T
U5
+
C
22
10µ
F
+
C
23
10µ
F
+
C
13
10µ
F
C
14
0.
1µ
F
+
C
15
10µ
F
C
16
0.
1µ
F
C
17
0.
1µ
F
+
C
18
10µ
F
J5–1 J5–2 J5–3 J5–4
R24
100kΩ
J2-
2
J2-
3
J2-
4
J2-
5
J2-
6
J2-
7
J2-
8
J2-
9
J2-
10
J2-
11
J2-
12
J2-
13
J2-
14
J2-
15
J2-
16
J2-
17
J2-
18
J2-
19
J2-
20
J2-
21
J2-
22
J2-
23
J2–24 J2-
25
J2-
26
J2-
27
J2-
28
J2-
29
J2-
30
J2-
31
J2-
32
J2-
33
J4-
2
J4-
11
J4-
12
J4-
13
J4-
14
J4-
15
J4-
16
J4-
17
J4-
18
J4-
19
J4-
20
J4-
1
J2-
34
J2-
35
J2-
36
J2-
37
J2-
38
J2-
39
J2-
40
J2-
41
J3-
1
J3-
2
J3-
3
J3-
4
J3-
5
J3-
6
J3-
7
J3-
8
J3-
9
J3-
10
J3-
11
J3-
12
J3-
13
J3-
14
J3-
15
J3-
16
J3-
17
J3-
18
J3-
19
J3-
20
J3-
21
J3-
22
J3-
23
J3-
24
J2-
1
J2–42
V
DDI
O
V
DDI
O
AV
DD
AV
DD
V
DDI
O
V
DDI
O
V
DDI
O
AV
DD
AV
DD
AV
DD
V
DDI
O
AV
DD
V
DDI
O
DG
ND
AV
DD
V
DDI
O
AD13
AD12
AD11
AD10
AD8
AD7
AD6
AD1
4
AD0
AD1
AD2
AD3
AD4
AD5
WS
RS
MS 0
AV
DD
AV
DD
AD9
V
DDI
O
AE
V
DDI
O
V
DDI
O
B
LE
BHE
AV
DD
AG
ND
V
R
E
F
DACRE
F
ADC0 ADC1 ADC2 ADC3 ADC4 ADC5 ADC6 ADC7 ADC8 ADC9 ADC1
0
ADC1
1
D
IF
F
V
OC
M
DAC0 DAC1 DAC2 DAC3 ADCNE
G
AG
ND
DG
ND
DG
ND
AD1
5
MS 1
Figure 5. Evaluation Board Schematic