Datasheet

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54321
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ti
12500 TI Boulevard. Dallas, Texas 75243
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Revision History
REV ECN Number Approved
DOCUMENT CONTROL #:
13
BlockDiagram.sch
A
DATE: 4-Aug-2006
ADS8481/ADS8482EVM Block Diagram
6458784
-IN
+IN
B_CS B_RD B_CONVST B_BYTE B_BUS18/16 BUSY DB[17...0]
EXT_REF
Analog-to-Digital Converter
B_DB[17...0]
DB[17...0]
CS RD CONVST BYTE BUS18/16 B_BUSY
BUSY
B_CS
B_RD
B_CONVST
B_BYTE
B_BUS18/16
+AVCC
+VA
-VA
+BVDD
INTc DC_CS A0 A1 A2 DC_CONVST
Power & Digital Buffer
B_DB[17...0]
DB[17...0]
+BVDD
TP3
TP6
TP5
TP4
CS
RD
CONVST
BYTE
BUS18/16
B_BUSY
ADC Control
12
34
56
78
9
11
10
12
J6
TP1
TP2
1 2
3 4
5 6
7 8
9 10
J5
+VA -VA
+5VD
AGND
+5VA
DGND
+3.3VD
W1
Lijoy Philipose
Lijoy Philipose
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
P3
Parallel Control
INTC
A0
A1
DC_CS
A2
ADC Data Bus
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
P2
B_DB0
B_DB1
B_DB2
B_DB3
B_DB4
B_DB5
B_DB6
B_DB7
B_DB8
B_DB9
B_DB10
B_DB11
B_DB12
B_DB13
B_DB14
B_DB15
B_DB16
B_DB17
Analog Input
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
P1
J1
J2
DC_CONVST