LTC2377-18
22
237718f
U6
NC7SZ66P5X
C13
0.1
μF
4
1
2
9
CNV
SCK
C20
47μF
6.3V
0805
C56
0.1
μF
CNV
REF
GND
REF/DGC
VDD
V
REF
0.8V
REF
OVDD
SCK
SDO
BUSY
RDL/SDI
SDO
BUSY
RD
LTC2377-18
IN
–
IN
+
5
4
13
14
11
12
BA
5
3
GND
V
CC
OE
+3.3V
R5
49.9Ω
1206
R6
1k
U8
NC7SZ04P5X
U2
NC7SVU04P5X
U20
LTC6655AHMS8-5
U3
NL17SZ74
U4
NC7SVU04P5X
CNVST_33
FROM
CPLD
CLK
TO
CPLD
C5
0.1
μF
C1
0.1
μF
C11
0.1
μF
SHDN
GND
OUT_F
GND
9V
TO
10V
1
2
3
4
8
7
6
5
+3.3V
3
4
2
5
3
4
2
5
C2
0.1
μF
R3
33Ω
R2
1k
R1
33Ω
+3.3V
3
1
4
6
2
8
7
5
R8
33Ω
C3
0.1
μF
R4
33Ω
C4
0.1
μF
V
IN
OUT_S
GND
V
CC
CLR\
Q\
CP
Q
D
PR\
3
42
5
+3.3V
DC590
DETECT
TO
CPLD
+3.3V
C58
OP
T
U9
NC7SZ04P5X
C15
0.1
μF
C16
0.1
μF
3
4
2
5
+3.3V
R13
1k
R17
2k
R10
4.99k
U7
24LC025-I/ST
R11
4.99k
R12
4.99k
C14
0.1
μF
6
8
4
237718
BL
5
7
3
2
1
SCL
SDA
ARRA
Y
EEPROM
WP
A2
A1
A0
V
SS
V
CC
1
3
5
7
9
11
13
2
4
6
8
10
12
14
J3
DC590
SDO
SCK
CNV
9V
TO
10V
R7
1k
10
16
6
3
1
15
7
2
8
JP6
FS
1
2
3
HD1X3-100
OPT
C7
0.1
μF
C6
10μF
6.3V
+2.5V
C10
0.1
μF
C39
6800pF
NPO
C19
3300pF
1206
NPO
R38
OP
T
R36
20Ω
R35
OP
T
R45
Ω
R34
0Ω
C40
6800pF
NPO
C9
10μF
6.3V
R16
0Ω
R32
20Ω
OUT1
V
+
V
–
V+
SHDN
OUT2
5
4
–IN1
+IN1
8
7
3
+IN2
2
6
R19
0Ω
+
–
R18
1k
R31
OP
T
U15
LT6350CMS8
R32
0Ω
C42
15pF
C45
10μF
C55
1μ
F
V
+
V
–
C57
0.1
μF
R37
OP
T
R9
OP
T
C61
10μF
6.3V
C63
10μF
6.3V
C62
1μ
F
C43
0.1
μF
R15
OP
T
C18
OP
T
C17
10μF
JP2
CM
E7
EXT_CM
1
+2.5V
2
3
V
REF/2
EXT
HD1X3-100
C8
1μ
F
C46
1μ
F
R40
1k
R39
0Ω
1
2
3
COUPLING
AC
DC
JP1
HD1X3-100
C44
1μ
F
C49
OP
T
C48
10μF
6.3V
C47
OP
T
R41
OP
T
C59
1μ
F
C60
0.1
μF
1
2
3
JP5
HD1X3-100
COUPLING
AC
DC
DB16
DB17
39
37
35
33
31
29
27
25
23
21
19
17
15
13
11
9
7
5
3
1
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
CLKOUT
1
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
J2
CON-EDGE
40-100
CLK
IN
J1
J4
J8
R14
0Ω
A
IN
+
A
IN
–
+
BOARD LAYOUT
Partial Schematic of Demoboard