Datasheet

1 2 3 4 5 6
A
B
C
D
6
54321
D
C
B
A
ti
6730 SOUTH TUCSON BLVD., TUCSON, AZ 85706 USA
TITLE
SHEET OF FILE
SIZE
DATE REV7-Mar-2006
DRAWN BY
ENGINEER
REVISION HISTORY
REV ENGINEERING CHANGE NUMBER APPROVED
B
DATA ACQUISITION PRODUCTS
HIGH-PERFORMANCE ANALOG DIVISION
SEMICONDUCTOR GROUP
RICK DOWNS
ROBERT BENJAMIN
C:\WORK\ADS7845EVM\SCH\ADS7845EVM
A
11
ADS7845 Evaluation Module
DOCUMENT CONTROL NO. 6478717
+VCC
REF+
REF-
+VCC
+3.3Vd
+VD1
AGNDDGND
SCLK
SS
MOSI
MISO
PENIRQ
UR
LR
WIPER
AUXIN
UL
LL
L1
100uH
+5VA
C7
10uF
R1
0 ohm
R2
0 ohm
R3
0 ohm
R4
0 ohm
R5
0 ohm
R6
100 ohm
C1
NI
C2
NI
C3
NI
C4
NI
C5
NI
C6
NI
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
J2
DAUGHTER-SERIAL
TP1
TP2
C9
10uF
TP3
1 2
JMP2
JPR-2X1
2
4
6
1
3
5
7 8
9 10
11 12
13 14
15 16
17 18
19 20
J1
HEADER-10X2
R7 33
R8 33
VCC
8
VSS
4
SDA
5
SCL
6
A0
1
A1
2
A2
3
WP
7
U2
24LC64I/SN
R10
2.7K
R11
2.7K
C10
1uF
+VCC
+VCC
R9
2.7K
1 2
JMP3
J1A (TOP) = SAM_TSM-110-01-L-DV-P
J1B (BOTTOM) = SAM_SSW-110-22-F-D-VS-K
J2A (TOP) = SAM_TSM-110-01-L-DV-P
J2B (BOTTOM) = SAM_SSW-110-22-F-D-VS-K
J3A (TOP) = SAM_TSM-105-01-L-DV-P
J3B (BOTTOM) = SAM_SSW-105-22-F-D-VS-K
1 2
3 4
5 6
JMP1
VREF INPUT
+VCC
EXT VREF
IN
1
OUT
2
GND
3
U3
REF3125AIDBZ
C8
0.47uF
+VCC
+VCC
1
UL
2
UR
3
LL
4
LR
5
GND
6
WIPER
7
AUXIN
8
VREF
9
+VCC
10
PENIRQ
11
DOUT
12
BUSY
13
DIN
14
CS
15
DCLK
16
U1
ADS7845E
12
34
56
JMP4
ANALOG POWER
L2
100uH
-VA
2
-5VA
4
AGND
6
VD1
8
+5VD
10
+VA
1
+5VA
3
DGND
5
+1.8VD
7
+3.3VD
9
J3
DAUGHTER-POWER
C11
1uF
R12
10K
+VCC