Texas Instruments ADS8371EVM, User Manual, Page: 31 / 33

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Revision History
REV ECN Number Approved
DOCUMENT CONTROL #:
2 3
Analog-to-Digital Converter
B
DATE: 12-Aug-2004
ADS8383EVM Analog Circuits
6448017
C17
0.01uF
C14
0.1uF
C13
0.1uF
C52
0.01uF
C51
0.01uF
C12
0.1uF
C19
0.1uF
C18
0.01uF
C60
0.1uF
C24
0.01uF
+5VCC
+5VCC
+5VCC
+5VCC
C53
0.1uF
C20
0.01uF
+5VCC
C22
0.1uF
C56
0.01uF
+VBD
B_CS
B_RD
B_CONVST
B_BYTE
BUSY
+VBD
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8 DB9 DB10 DB11 DB12 DB13 DB14 DB15
C9
0.01uF
C50
0.1uF
+5VCC
BUSY
DB[15...0]
B_CS
B_RD
B_BYTE
B_CONVST
-VCC
+VCC
+IN
NC
1
+VIN
2
EN
3
GND
4
NC
5
VREF
6
NC
7
NC
8
U10
REF1004-2.5
+5VCC
C47
NI
C46
NI
C42
47uF
EXT_REF
R10
100
+VCC
C41
1uF
C40
0.1uF
-VCC
IN
1
OUT
2
GND
3
U3
NI
+5VCC
DB[15...0]
TP1
3
1
2 SJP5
3
1
2
SJP6
1
2
SJP7
R13
0
+
C11
10uF
C10
6800pF
C15
0.47uF
R9
0
C8
NI
C3
NI
R2
NI
R5
0
R3
1k
R4
NI
R6
1k
C5
1uF
C34
0.1uF
C1
22µF
C31
1uF
C32
0.1uF
R11
768
C7
NI
R8
1.2k
C6
1uF
C4
0.1uF
C23
0.1uF C54
0.01uF
Lijoy Philipose
Lijoy Philipose
R7
10k
1 2
SJP1
TP8
R14
50
*
*
*
*
3
2
6
7
4
5
1
U2
OPA627
3 1
2
SJP2
3 1
2
SJP3
3
2
6
7
4
5
1
8
U1
THS4031
C2
NI
*
R12
12
R1
NI
REFIN
1
N/C
2
NC
3
+VA
4
AGND
5
+IN
6
-IN
7
AGND
8
+VA
9
+VA
10
AGND
11
AGND
12
AGND
14
AGND
15
DB15
16
DB14
17
DB13
18
DB12
19
DB11
20
DB10
21
DB9
22
DB8
23
+VBD
24
BDGND
25
DB7
26
DB6
27
DB5
28
DB4
29
DB3
30
DB2
31
DB1
32
DB0
33
NC
34
NC
35
BUSY
36
+VA
37
BDGND
38
BYTE
39
CONVST
40
RD
41
CS
42
+VA
43
AGND
44
AGND
45
+VA
46
REFM
47
REFM
48
+VA
13
U4
ADS8371
3
1
2
SJP4
R15
50k
+5VCC