Datasheet

1 2 3 4 56
A
B
C
D
6
54321
D
C
B
A
Title
Number RevisionSize
B
Date: 11-May-2011 Sheet of
File: C:\Userdata\projects\ads8638\ADS8638EVM_RA.ddbDrawn By:
AVDD
1
AGND
2
AGND
3
NC
4
AINCOM
5
AIN7/NC
6
AIN6/NC
7
AIN5/AIN3
8
AIN2/AIN0
11
AIN4/AIN2
9
AIN3/AIN1
10
AIN1/NC
12
AIN0/NC
13
HVDD
14
HVEE
15
CS
16
SCLK
17
SDI
18
SDO
19
DGND
20
DVDD
21
PD/ALERT
22
VREFP
24
VREFM
23
U1
ADS86xx
A0(+)
2
A1(+)
4
A2(+)
6
A3(+)
8
A4
10
A5
12
A6
14
A7
16
REF-
18
REF+
20
A0(-)
1
A1(-)
3
A2(-)
5
A3(-)
7
AGND
9
AGND
11
AGND
13
VCOM
15
AGND
17
AGND
19
J1A
DAUGHTER-ANALOG
-VA
2
-5VA
4
AGND
6
VD1
8
+5VD
10
+VA
1
+5VA
3
DGND
5
+1.8VD
7
+3.3VD
9
J3A
DAUGHTER-POWER
GPIO0
2
DGND
4
GPIO1
6
GPIO2
8
DGND
10
GPIO3
12
GPIO4
14
SCL
16
DGND
18
SDA
20
CNTL
1
CLKX
3
CLKR
5
FSX
7
FSR
9
DX
11
DR
13
INT
15
TOUT
17
GPIO5
19
J2A
DAUGHTER-SERIAL
R5
0
R6 0
JP1
VIN
2
VOUT
6
TRIM
5
GND
4
TEMP
3
U2
REF5025
C9
10uF
C10
10uF
R12
0
HVDD
HVEE
+5V
+5V
HVEE HVDD
C2
10uF
C3
10uF
C1
1uF
TP1 TP2
JP2
C8
0.1uF
C7 DNI
R9
0
3
4
1
2 5
U3
OPA379
R8
0
+5VA
C4
1uF
+VBD
+5VA
2
3
6
74
U4
OPA140
R10
20
C14
1nF
+VA
C12
10uF
-VA
C13
10uF
C11
1uF
R1
33
R2
33
R3
33
R4
33
R11
20
TP3
+VBD
2
4
6
1
3
5
78
910
1112
JP3
HEADER-6X2
+VA -VA
+5VA
C15
0.1uF
C6
1uF (50V rated)
C5
0.1uF
R7
33
R13
10k
R14
10k
+3.3VD
GPIO
GPIO
+
C16
10uF
C17
DNI
A0
1
A1
2
GND
4
SDA
5
SCL
6
WP
7
VCC
8
A2
3
U6
24AA256-I/ST
2
4
6
1
3
5
JP4
DNI
RA1
DNI
C18
0.1uF
+3.3VD
+3.3VD
+3.3VD
JP5
ti
D1
R15
470
Y
4
GND
3
VCC
5
A
2
NC
1
U5
SN74LVC1G17
+3.3VD
C19
10uF