Datasheet

LTC2308
16
2308fb
APPLICATIONS INFORMATION
E12
TP2
OPT
E1
TP1
OPT
J1
CH0
R1
OPT
1
2
3
JP1
CH0
SMA
OPEN
GND GND
25 9
10
GNDGND
11
GND
20
GND
18
DV
DD
CONV
SDO
SCK
CH4
SDI
REFCOMP
V
REF
14
17
16
15
8
7
1
2
3
R9 49.9Ω
0V
DD
AV
DD
AV
DD
C4
0.1μF
JP4
C3
0.1μF
3
2
1
C1
0.1μF
E26
EXT OV
DD
CH3
CH2
CH1
CH0
COM
CH7
CH6
CH5
2
1
24
E2
CH0
E3
CH1
E4
CH2
23
22
21 19 13 12
5V
5V
5V
6
5
4
3
C2
10μF
C5
2.2μF
C15
10μF
R13
4.99k
R14
4.99k
JP2
DC BIAS
EXTERNAL
E8
V
REF
E9
REFCOMP
2308 F07F
E13
EXTERNAL
BIAS
CONV_AT_ADC
SDO_AT_ADC
SCK_AT_ADC
SDI_AT_ADC
C16
1μF
E14
DC_BIAS/2
JP3
COM
C14
47pF
C12
47pF
C13
47pF
C10
47pF
C11
47pF
C8
47pF
C9
47pF
C6
47pF
C7
47pF
C38
10μF
9
7
5
3
1
17
19
21
23
15
13
11
10
8
6
4
2
18
20
22
24
16
14
12
R4 301Ω
R2 100Ω
R3 100Ω
R5 100Ω
R6 100Ω
R7 100Ω
J2
HEADER 12x2
R8 100Ω
R10 100Ω
R11 100Ω
R12 100Ω
1
OPEN
GND
2
3
LTC2308
E5
CH3
E6
CH4
E7
CH5
E10
CH6
E11
CH7
OV
DD
REFCOMP
Figure 7e. Layer Back Solder Side
Figure 7f. Partial Demo Board Schematic