rev. b–12–
AD876
图示 23. ad876 evaluation 板 图式
p1 2
p1 4
p1 6
p1 8
p1 10
p1 12
p1 14
p1 16
p1 18
p1 20
p1 22
p1 24
p1 28
p1 30
p1 32
p1 34
p1 36
p1 38
p1 40
p1 26
CLK
3_状态
STBY
DV
DD
SUBST
NC
REFTS
REFTF
NC
REFBF
REFBS
CML
AIN
AV
DD
DV
SS
DRV
SS
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
DRV
DD
AV
SS
+
+
+
+5VD
JP1
C62
0.1
F
STBY
VP6
C50
10
F
REFTS
VP3
REFBF
VP2
VP4
REFBS
C4
10
F
R17
1.13k
R16
1k
R14
100
直流_在
REFTF
VP1
AIN
J2
TP2
R15
51
C1
0.1
F
JP5
TP18
ext_cm
23
1
int_cm
R18
1k
+5VD
JP4
VP8
REFTS
REFTF
REFBF
REFBS
C64
0.1
F
C56
0.1
F
C2
10
F
+5VA
G1
G2
A7
A6
A5
A4
A3
A2
A1
A0
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
U3
G1
G2
A7
A6
A5
A4
A3
A2
A1
A0
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
U2
74ALS541
+
+
U1
AD876
14
13
12
11
10
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
0
15
16
17
18
19
20
21
22
23
24
25
26
27
28
5
6
7
8
9
9
8
7
6
5
4
3
2
19
1
11
12
13
14
15
16
17
18
D5
D6
D7
D8
D9
0
1
2
4
9
8
7
6
4
3
2
19
1
5
11
12
13
14
15
16
17
18
D0
D1
D2
D3
D4
3
74ALS541
U4
74F04
U4
74F04
1
2
JP2
TP4
clk_在
TP1
J1
R1
51
3ST
VP5
C3
47
F
+5VD
C49
10
F
C54
0.1
F
D9
D8
D5
D7
D6
D4
D3
D0
D2
D1
R2
*
R3
*
R4
*
R5*
R6*
R7*
R8
*
R9*
R10*
R11
*
R12
*
p1 1
p1 3
p1 5
p1 7
p1 9
p1 11
p1 13
p1 15
p1 17
p1 19
p1 21
p1 23
p1 27
p1 29
p1 31
p1 33
p1 35
p1 37
p1 39
p1 25
4
3
TP3
*
r2–r12 = 20
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