Table of Contents
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1
D
U2
1
6
GND_F
OUT_F
C2
2
5
GND_S
OUT_S
3
4
0.47uF
ENABLE
IN
+5VCC
REF3240
R24
10K
R5
33
C37
47uF
C
R25
+DC
33
C38
C3
1uF
10uF
R32
NI
SJP2
2
1
R31
+IN
NI
R7
R35
R2
0
49.9
SJP7
-DC
2
1
B
R34
NI
R18
NI
R12
R20
NI
NI
A
-IN
R3
NI
+DC
2
1
2
3
U3
**VRE4141**
+5VCC
1
8
NC
NC
EXT_REF
2
7
+VIN
NC
C7
3
6
EN
VREF
1uF
C8
4
5
GND
NC
NI
NI
U1
1
6
GND_F
OUT_F
C1
2
5
GND_S
OUT_S
3
4
0.47uF
ENABLE
IN
+5VCC
REF3230
R4
NI
R27
+VCC
C10
300
C18
R17
1uF
NI
0
U4A
3
R28
2
U4B
NI
6
THS4032
7
R16
5
C9
0
-VCC
THS4032
1uF
R6
C19
NI
NI
R29
300
+VCC
J3
C11
1uF
R10
NI
C41
1uF
U6
3
R39
6
2
12
THS4031
300
1uF
C12
1
3
SJP3
-VCC
R8
R36
300
NI
C44
NI
*COG*
R9
NI
NI
C43
J4
R38
NI
R13
-VCC
SJP4
NI
1
3
SJP9
2
C14
NI
C42
NI
NI
R37
U7
2
R40
6
R21
NI
3
NI
NI
C13
SJP8
1
NI
+VCC
2
3
4
R1
SJP1
2
49.9
C6
22uF
R33
2
SJP6
0
+5VCC
R26
-DC
1
33
C22
C30
2.2uF
1000pF
C39
C4
NI
NI
+5VCC
C23
C34
2.2uF
1000pF
*
R19
0
*
C46
NI
C45
1nF
*C0G*
*
C47
NI
1
*
R22
0
4
5
+5VCC
+5VCC
C21
C20
2.2uF
2.2uF
C29
C28
1000pF
1000pF
C40
C5
C32
+VBD
10uF
1uF
1000pF
C33
1000pF
13
48
REFIN
BUSY
14
47
REFOUT
DB0
15
46
NC
DB1
16
45
+VA
DB2
17
44
AGND
DB3
U5
18
43
+IN
DB4
19
42
-IN
DB5
20
41
AGND
DB6
ADS8481
21
40
+VA
DB7
+5VCC
22
39
+VA
DB8
23
38
AGND
DB9
24
37
AGND
BDGND
C24
C31
2.2uF
1000pF
+5VCC
C35
C26
1000pF
2.2uF
TITLE:
Engineer:
Lijoy Philipose
DOCUMENT CONTROL #:
Lijoy Philipose
Drawn By:
FILE:
Analog-to-Digital Converter
DATE:
5
6
Revision History
REV
ECN Number
Approved
D
B_CS
B_CS
B_RD
B_RD
B_CONVST
B_CONVST
B_BYTE
B_BYTE
B_BUS18/16
B_BUS18/16
BUSY
C25
2.2uF
C
BUSY
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB[17...0]
C36
C27
+VBD
1000pF
2.2uF
B
ti
A
12500 TI Boulevard. Dallas, Texas 75243
Analog-to-Digital Converter
REV:
6458784
A
23-Aug-2006
SIZE:
SHEET:
OF:
2
3
6
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