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ti
6730 SOUTH TUCSON BLVD., TUCSON, AZ 85706 USA
TITLE
SHEET
OF
FILE
SIZE
DATE
REV
22-FEB-2008
DRAWN BY
ENGINEER
B
DATA ACQUISITION PRODUCTS
REVISION HISTORY
HIGH-PERFORMANCE ANALOG DIVISION
SEMICONDUCTOR GROUP
RUSSELL ANDERSON
RUSSELL ANDERSON
A
ENGINEERING CHANGE NUMBER
1
APPROVED
2
ADS1178EVM
DOCUMENT CONTROL NO.
6487237
CNTL
1
CLKX
3
CLKR
5
FSX
7
FSR
9
DX
11
DR
13
INT
15
TOUT
17
GPIO5
19
GPIO0
2
DGND
4
GPIO1
6
GPIO2
8
DGND
10
GPIO3
12
GPIO4
14
SCL
16
DGND
18
SDA
20
J5
SERIALHDR
+10V
-10V
DVDD
R38
2K
AVDD
AVDD
OBCLK
EOH
1
GND
2
OUT
3
VCC
4
U7
CTS_CB3LV-3I-27.0000-T
IOVDD
C34
10 nF
IOVDD
C27
1uF
A
1
B
2
Y
3
GND
4
Y
5
A/B
6
G
7
VCC
8
U6
SN74LVC2G157DCT
R48
470K
J3A (TOP) = SAM_TSM-105-01-L-DV-P
J3B (BOTTOM) = SAM_SSW-105-22-F-D-VS-K
SCLK
DOUT
SYNC
IOVDD
+VA
1
-VA
2
+5VA
3
-5VA
4
DGND
5
AGND
6
+1.8VD
7
VD1
8
+3.3VD
9
+5VD
10
J3
POWERHDR
R39
47
C3
150nF
C12
0.1uF
C5
0.1uF
AVDD
C8
0.1uF
AVDD
C7
0.1uF
S1
SW-DPDT
REFP
REFN
C21
10uF
IOVDD
C11
0.1uF
C9
0.1uF
IOVDD
C6
0.1uF
AVDD
INP
1
BSW
7
INN
5
VIN
4
ENP
8
PSP
9
ENN
10
PSN
11
AGND
19
INP
24
NC
12
NC
20
INN
6
OUTN
14
PGND
3
PGND
2
CN
18
CP
21
OUTN
13
VNEG
15
FBN
16
VREF
17
FBP
22
VPOS
23
U5
TPS65131RGE
L1
EPC_B82462-G4472-M
C25
4.7 uF
C30
22 uF 16V
D1
MBRM120
D2
MBRM120
R52
1.1M
R53
150K
R50
10K
C28
6.2 pF
C31
22 uF 16V
C35
0.22 uF
R37
100
R54
150K
R55
1.24M
R51
10K
C29
6.2 pF
L2
EPC_B82462-G4472-M
C32
10 nF
C33
4.7 nF
C26
0.1uF
R45
47
R44
47
R42
47
R40
47
R41 47
R47
47K
R49
470K
DVDD
C10
0.1uF
TP1
R3
1K
2
3
1
8
4
U3A
OPA2350
6
5
7
U3B
OPA2350
C4
0.1uF
EXT
GPIO5
GND
C1
0.47uF
R2
1K
1
2
3
J1
JPR-1X3
C2
100uF
IN
1
OUT
2
GND
3
U1
REF3125AIDBZ
TP2
TP5
TP6
TP7
TP3
TP4
1
2
3
4
J6
C22
10uF
C24
10uF
C23
10uF
AINN5
AINN6
AINN7
AINN8
AINP5
AINP6
AINP
7
AINP
8
AINN1
AINN2
AINP
1
AINP
2
AN1
AP1
AN2
AP2
AN3
AP3
AN4
AP4
AN5
AP5
AN6
AP6
AN7
AP7
AN8
AP8
VC
OM
SheetB
SheetB.Sch
AINN3
AINN4
AINP3
AINP4
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
S10
DIPSWITCH-8
C16
2.2nF C0G
C17
2.2nF C0G
C18
2.2nF C0G
C19
2.2nF C0G
C20
2.2nF C0G
C15
2.2nF C0G
C14
2.2nF C0G
C13
2.2nF C0G
AINN1
AINN2
AINN3
AINN4
AINN5
AINN6
AINN7
AINN8
AINP1
AINP2
AINP3
AINP4
AINP5
AINP6
AINP7
AINP8
RA1
100K
2
4
6
1
3
5
7
8
J2
DOUT
J5A (TOP) = SAM_TSM-110-01-L-DV-P
J5B (BOTTOM) = SAM_SSW-110-22-F-D-VS-K
1
2 J10
1
2
J12
1
2
J14
1
2
J13
AVDD
1
2
J11
+VA
-VA
1
2
3
J15
VA+
+VA
1
2
3
J16
VA-
-VA
RA2
100K
IN
1
GND
2
EN
3
OUT
5
NR
4
U16
TPS73018DBV
IOVDD
C76
10nF
C77
0.1uF
1
2
3
J19
JPR-1X3
IOVDD
1
2
3
4
5
12
6
11
7
10
8
9
S11
DIPSWITCH-6
IOVDD
P00
1
P01
2
P02
3
P03
4
P04
5
P05
6
P06
7
P07
8
GND
9
P10
10
P11
11
P12
12
P13
13
P14
14
P15
15
P16
16
P17
17
A0
18
SCL
19
SDA
20
VCC
21
INT
22
A1
23
A2
24
U17
PCA9535RGE
C78
0.1uF
IOVDD
1
2
J4
JPR-2X1
TP8
GND
TP9
+10V
TP10
-10V
D1
D3
D5
D7
D8
D6
D4
D2
D1
D2
D3
D4
D5
D6
D7
D8
TP11
P00
1
P01
2
P02
3
P03
4
P04
5
P05
6
P06
7
P07
8
GND
9
P10
10
P11
11
P12
12
P13
13
P14
14
P15
15
P16
16
P17
17
A0
18
SCL
19
SDA
20
VCC
21
INT
22
A1
23
A2
24
U18
PCA9535RGE
C79
0.1uF
IOVDD
R70
10K
R71
4.22K
C80
0.1uF
R72
100k
IOVDD
2
4
5
3
U19
SN74LVC1G04DBV
CLK
1
D
2
Q
3
GND
4
Q
5
CL
R
6
PR
E
7
VC
C
8
U20
SN74LVC2G74DCTR
IOVDD
C83
0.1uF
VIN
2
VOUT
6
TRIM
5
GND
4
TEMP
3
U2
REF5025
C82
10uF
C81
1uF
AVDD
R1
100K
IOVDD
1
2
J18
EXT CLK
1
2
J17
A0
1
A1
2
GND
4
SDA
5
SCL
6
WP
7
VCC
8
A2
3
U21
MCP_24LC256-I/ST
C84
0.1uF
IOVDD
IOVDD
S12
ALC_MMS42
2
4
6
1
3
5
J20
HEADER-3X2
RA3
100K
NC
33
MODE
34
PW
DN8
35
PW
DN7
36
PW
DN6
37
PW
DN5
38
PW
DN4
39
PW
DN3
40
PW
DN2
41
PW
DN1
42
AGND
43
AVDD
44
AINP
8
45
AINN8
46
AINP
7
47
AINN7
48
AINP6
49
AINN6
50
AINP5
51
AINN5
52
AVDD
53
AGND
54
VCOM
55
VREFP
56
VREFN
57
AGND
58
AGND
59
AVDD
60
AINP4
61
AINN4
62
AINP3
63
AINN3
64
AINP
2
1
AINN2
2
AINP
1
3
AINN1
4
AVDD
5
AGND
6
NC
7
TES
T0
8
TES
T1
9
CL
K
D
IV
10
SY
N
C
11
DIN
12
DOUT8
13
DOUT7
14
DOUT6
15
DOUT5
16
DOUT4
17
DOUT3
18
DOUT2
19
DOUT1
20
DGND
21
IODVDD
22
IODVDD
23
DGND
24
DGND
25
DVDD
26
CLK
27
SCLK
28
DRDY/FSYNC
29
FORMAT2
30
FORMAT1
31
FORMAT0
32
U4
ADS1178IPAP