Schematics - Analog Devices ADP5588 Manual

Keypad i/o expander evaluation board
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SCHEMATICS

J1
J1
1
3
5
7
9
11
Row7
13
Row6
15
Row5
17
19
J2
J2
1
3
5
7
9
11
Col4
13
Col3
15
Col2
17
Col1
19
Col0
VCC
C1
C1
1UF/16V
1UF/16V
2
4
6
VCC
8
VCC
10
INTb
12
SDA
14
SCL
16
Row2
18
20
Row0
Row5
2
4
6
8
10
12
Col9_Sens2
14
Col8_Sens1
16
18
20
Figure 27. Daughterboard Schematic
LK3 1 Way Link
LK3 1 Way Link
1
2
U1
U1
1
R7
2
R6
3
R5
4
R4
5
R3
6
R2
Rev. 0 | Page 13 of 20
EVAL-ADP5588
C19
C19
LK1 1 Way Link
LK1 1 Way Link
1
2
0.1UF
0.1UF
18
C9
17
C8
16
C7
Col7
15
Col6
LK2 1 Way Link
LK2 1 Way Link
C6
14
Col5
C5
13
Col4
C4
ADP5588
ADP5588
Place LK1, LK2, C19
and C20 as closed to
U2 as possible.
Col9_Sens2
Col8_Sens1
1
2
C20
C20
0.1UF
0.1UF

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