2/9/2012
ADS1278EVM
C
4
A
B
C
D
Date
E
Sheet
of
F
4
2
1
Title
3
1
A
B
C
D
E
Size
Number
F
2
Filename
Drawn by
3
Engineer
Rev
3
E
G Hupp
<Number>
ads1278evm.sch
G Hupp
4
Texas Instruments
07APR11
Channels 5-8 Analog Connections
GPIO/Logic Connections
1
P00
2
P01
3
P02
4
P03
5
P04
6
P05
7
P06
8
P07
9
GND
10
P10
11
P11
12
P12
13
P13
14
P14
15
P15
16
P16
17
P17
18
A0
19
SCL
20
SDA
21
VCC
22
INT
23
A1
24
A2
25
PWPD
U7
R34
10k
R35
4.3k
C40
0.1u
1
P00
2
P01
3
P02
4
P03
5
P04
6
P05
7
P06
8
P07
9
GND
10
P10
11
P11
12
P12
13
P13
14
P14
15
P15
16
P16
17
P17
18
A0
19
SCL
20
SDA
21
VCC
22
INT
23
A1
24
A2
25
PWPD
U8
C38
0.1u
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
U14
1
1
16
2
R32-A
100k
2
1
15
2
3
1
14
2
4
1
13
2
5
1
12
2
6
1
11
2
7
1
10
2
8
1
9
2
1
1
16
2
R33-A
100k
2
1
15
2
3
1
14
2
4
1
13
2
5
1
12
2
C58
0.1u
1
7
5
4
2
8
3
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
S1
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
S2
6
1
11
2
1
2
3
4
5
6
7
8
9
10
J1
C9
2.2n
R5
0
C31
1.5n
R4
0
C30
1.5n
R7
0
R6
0
R9
0
R8
0
R11
0
R10
0
C33
1.5n
C32
1.5n
C35
1.5n
C34
1.5n
C37
1.5n
C36
1.5n
C8
2.2n
C10
2.2n
C12
2.2n
C29
0.1u
IOVDD
DIGITAL
[1]
SCL
SDA
IOVDD
IOVDD
SCL
SDA
GPIO1
SCL
SDA
IOVDD
PWDN5
PWDN6
PWDN2
PWDN3
PWDN4
PWDN1
PWDN7
PWDN8
SW_IND
GPIO0
GPIO4
GPIO3
GPIO2
DGND
DGND
DGND
IOVDD
DGND
DGND
DGND
DGND
DGND
PWDN1
PWDN2
PWDN3
PWDN4
PWDN5
PWDN6
PWDN7
PWDN8
GPIO2
GPIO3
GPIO4
GPIO0
GPIO1
IOVDD
DGND
CLKDIV
[1,3]
CLKDIV
CLKDIV
ANALOG_IN
[1,2]
CHAN-N7
CHAN-N8
CHAN-P8
CHAN-P7
CHAN-N6
CHAN-P6
AGND
AGND
CHAN-P5
CHAN-N5
AGND
AGND
AGND
AGND
AGND
AGND
IOVDD
DGND
DGND
IOVDD
DGND
DGND