7
dc2071afc
DEMO MANUAL DC2071A
Figure 6. Eight Single-Ended Inputs Converted to Fully Differential
R18
1k
R17
1k
R13
0Ω
C104
25pF
V–
C103
25pF
V+
C27
0.1µF
C24
1000pF
C29
0.1µF
–
+
8
1
7
3
2
4
LT6237
8
5
6
4
LT6237
R16
24.9Ω
CM
BUFOUT
BUFOUT
REFBUF
REFBUF
E1
V
DD
V
CCI0
–
+
LT6237
U1
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CNV
SCK
SDI
SDO
BUSY
RESET
RDL
V
DD
VDDLBYP
OVDD
REFBUF
REFIN
MUXOUT
+
ADCIN
+
MUXOUT
–
ADCIN
–
29
28
25
12
13
GND
GND
GND
GND
GND
OGND
GND
GND
27
17
15
14
11
26
23
33
31
32
1
2
7
8
9
10
30
16
21
20
22
19
24
18
+
–
C8
1200pF
C9
OPT
C14
1200pF
C16
OPT
C17
OPT
C20
OPT
C21
3300pF
C22
3300pF
C23
3300pF
C25
1500pF
C26
OPT
C28
1500pF
C15
1000pF
C10
10µF
25V
0805
C11
0.1µF
C7
10µF
25V
0805
C6
0.1µF
C12
0.1µF
C13
47µF
10V
1210
X7R
R130
0Ω
R131
0Ω
R11
1k
R12
1k
R129
1k
R7
24.9Ω
REF
JP1
EXT
INT
3
2
1
C19
4.7µF
LTC237X
U7A
U7B
DC2071A SETUP
