Maxim MAX7349, Manual, Page: 8 / 14

Evaluates: MAX7349/Emulates: MAX7347/MAX7348
MAX7349 Evaluation Kit
8 _______________________________________________________________________________________
Figure 2. MAX7349 EV Kit Schematic (Sheet 1 of 4)
H1
COL7/POR
T7
COL7/POR
T7
1
H1-1
ROW0
ROW0
2
H1-2
ROW1
ROW1
3
H1-3
ROW2
ROW2
4
H1-4
ROW3
ROW3
5
H1-5
COL3/POR
T3
COL3/POR
T3
6
H1-6
COL4/POR
T4
COL4/POR
T4
7
H1-7
ROW4
ROW4
8
H1-8
ROW5
ROW5
9
H1-9
ROW6
ROW6
10
H1-10
ROW7
ROW7
11
H1-11
COL6/POR
T6
COL6/POR
T6
12
H1-12
U1
MAX7349
1
2
3
VDD
JU3
VDD
C1
0.1
µ
F
VDD
VDD
R9
470
Ω
LED2
RED
COL7/POR
T7
1
2
3
VDD
JU6
INTVDD
INT
R15
10k
Ω
JU1-5
JU1-6 JU1-8
JU1-7
JU1-3 JU1-1
JU1
HEADER 2 x 4
JU1-4 JU1-2
SCL
AD0
SDA
VDD
VDD
SOUNDER
R25
10
Ω
2
P1 SOUNDER
1
1
2
3
JU2
SOUNDER GND
VR1
5k
Ω
1
2
3
R21
2.61k
Ω
1%
C31
0.22
µ
F
C32
0.068
µ
F
C33
0.022
µ
F
R24
21.5k
Ω
1% C34
220pF
C35
0.1
µ
F
U6
MAX4366
V
CC
6
BIAS
2
IN+
3
IN-
4
SHDN
OUT
-
OUT+
GND
1 8 5 7
R22
21.5k
Ω
1%
R23
32.4k
Ω
1%
H2
ALER
T
ALER
T
24
H2-1
V+
23
H2-2
INT
INT
22
H2-3
SCL
SCL
21
H2-4
SDA
SDA
20
H2-5
AD0
ADO
19
H2-6
GND
18
H2-7
SOUNDER
SOUNDER
17
H2-8
COL0
COL0
16
H2-9
COL1
COL1
15
H2-10
COL2/POR
T2
COL2/POR
T2
14
H2-11
COL5/POR
T5
COL5/POR
T5
13
H2-12