Texas Instruments ADS1 7 EVM-PDK Series User Manual page 21

A
1
Channels 5-8 Analog Connections
C9
2.2n
J1
1
2
3
0
R10
4
0
5 R11
0
R8
6
R9 0
7
R6 0
8
0
R7
9
R4 0
10
0
R5
C31 C30
1.5n
1.5n
AGND AGND
AGND
2
GPIO/Logic Connections
DIGITAL
[1]
P06
7
3
P07
8
GND
9
P10
10
P11
11
P12
12
DGND
4
A
B C
C8 C10 C12
2.2n 2.2n 2.2n
ANALOG_IN
CHAN-N8 [1,2]
CHAN-P8
CHAN-N7
CHAN-P7
CHAN-N6
CHAN-P6
CHAN-N5
CHAN-P5
C33 C32 C35 C34 C37 C36
1.5n 1.5n 1.5n
1.5n 1.5n 1.5n
AGND AGND
AGND AGND AGND
IOVDD
CLKDIV
[1,3]
IOVDD
IOVDD
PWPD
25
0.1u
A2
24
R34
C38
A1
23 10k
INT
22
VCC DGND
21
SDA
20
R35
SCL 4.3k
19
DGND
U8
DGND
B C
D
IOVDD
DGND
PWPD
25
P06 A2
7 24
P07 A1
23
8
IOVDD
DGND
GND INT
22
C40 9
P10 VCC
21
0.1u 10
C29
P11 SDA
20
11 0.1u
P12 SCL
19
12
DGND
U7
DGND
DGND
D
E
IOVDD
R32-A
100k
R33-A
100k
DGND
IOVDD
C58
IOVDD
0.1u
U14
1 A0 8
VCC
DGND
2 A1 7
WP
3 A2 6
SCL
4 VSS 5
SDA
DGND
DGND
Texas Instruments
Title
Size Number
C
07APR11
Date
G Hupp ads1278evm.sch
Engineer
Filename
E
F
1
2
3
SDA
SCL
4
ADS1278EVM
Rev
<Number>
E
G Hupp
Drawn by
3
4
Sheet of
F
2/9/2012