Datasheet

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B
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D
6
54321
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C
B
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ti
12500 TI Boulevard. Dallas, Texas 75243
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Revision History
REV ECN Number Approved
DOCUMENT CONTROL #:
24
Analog-to-Digital Converter
B
DATE: 17-Nov-2004
Converter and Digital Buffer
6430717
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
DB15
1
DB14
2
REFout
32
DB13
3
REFin
31
DB12
4
NC
30
DB11
5
NC
29
D10
6
+Va
28
DB9
7
AGND
27
DB8
8
+IN
26
DB7
9
-IN
25
DB6
10
CS
24
DB5
11
BYTE
23
DB4
12
RD
22
DB3
13
CONVST
21
DB2
14
CLOCK
20
DB1
15
DGND
19
DB0
16
+Vd
18
BUSY
17
U2
DUT
W1
5Vcc
5Vdd
+IN
-IN
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
OE1
1
OE2
19
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
Y1
18
Y2
17
Y3
16
Y4
15
Y5
14
Y6
13
Y7
12
Y8
11
VCC
20
GND
10
U1
SN74AHCT541PWR
BYTE
CS
5Vdd
CLK
C7
0.1uF
ADS8323
B_ADC_CS
B_ADC_RD
B_CONVST
B_BYTE
B_CLOCK
B_BUSY
1 16
2 15
3 14
4 13
5
9
12
6
8
10
11
7
RP1
100
1 16
2 15
3 14
4 13
5
9
12
6
8
10
11
7
RP2
1K
1 16
2 15
3 14
4 13
5
9
12
6
8
10
11
7
RP3
1K
ADC_REF
5Vdd
R1
10K
R2
10K
R3
10K
R4
10K
B_DB[15...0]
B_DB[15...0]
C15
NI
C2
4.7uF
C23
4.7uF
C16
NI
C1
4.7uF
C11
0.01uF
C21
0.01uF
C22
0.01uF
EXT_REF
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
5Vdd
5Vdd
/OE
DIR
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
VCC
GND
U7
SN74AHC245PWR
5Vdd
/OE
DIR
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
VCC
GND
U8
SN74AHC245PWR
5Vdd
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
C43
0.1uF
C44
0.1uF
C42
0.1uF
BUSY
BUSY
A
1
B
2
C
3
G1
6
G2A
4
G2B
5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
VCC
16
GND
8
U11
SN74AHC138PWR
A0
A1
A2
A0
A2
A1
5Vdd
C27
0.1uF
5Vdd
1
3
2
W5
W6
R19
10k
5Vdd
RD
CONVST
RD
CONVST
DC_CS
W7