Datasheet
10
dc1369af
DEMO MANUAL DC1369A
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
GND
FAST DAACS BOARD ID CIRCUITRY
OXA0
OX40
OXA2
3.1
Change
05/22/12 Clarence M.
SCL
VCC_IN
SDA
VSS
VCC_IN
PAR/SER
ENABLE
ENABLE
-D8/D9
-D6/D7
+D2/D3
-D2/D3
+D0/D1
+CLK
-CLK
+D12/D13
-D12/D13
+D10/D11
-D10/D11
+D8/D9
+D6/D7
-D0/D0
SDI
SCL
SDA
SCK
SDI
VSS
CS
SCK
SDI
SD0
SD0
SCK
SD0
-D4/D5
+D4/D5
CS
CS
SDIPAR/SER
CS
VCC_IN
VSS
SCL
VSS
SDA
SCL
VCC_IN
SCL
SDA
SDA
SCL
SDA
VOUT
VDD
VDD
VDD
OVDD
VOUT
VDD
OVDD
VDD
VOUT
VOUT
VOUT
VIN
VDD
VDD VDD
VOUT
VDD
Customer Notice:
Linear Technology has made a best effort to
design a circuit that meets customer-supplied specifications;
however, it remains the customers responsibility to verify proper
and reliable operation in the actual application, Component
substitution and printed circuit board layout may significantly
affect circuit performance or reliability. Contact Linear
Applications Engineering for assistance.
This circuit is proprietary to Linear Technology and supplied
for use with Linear Technology parts.
Customer Notice:
Linear Technology has made a best effort to
design a circuit that meets customer-supplied specifications;
however, it remains the customers responsibility to verify proper
and reliable operation in the actual application, Component
substitution and printed circuit board layout may significantly
affect circuit performance or reliability. Contact Linear
Applications Engineering for assistance.
This circuit is proprietary to Linear Technology and supplied
for use with Linear Technology parts.
Customer Notice:
Linear Technology has made a best effort to
design a circuit that meets customer-supplied specifications;
however, it remains the customers responsibility to verify proper
and reliable operation in the actual application, Component
substitution and printed circuit board layout may significantly
affect circuit performance or reliability. Contact Linear
Applications Engineering for assistance.
This circuit is proprietary to Linear Technology and supplied
for use with Linear Technology parts.
REVISION HISTORY
DESCRIPTION DATE APPROVEDECO REV
PROTO
3
08/11/08
REVISION HISTORY
DESCRIPTION DATE APPROVEDECO REV
PROTO
3
08/11/08
REVISION HISTORY
DESCRIPTION DATE APPROVEDECO REV
PROTO
3
08/11/08
SIZE
SCALE:
CAGE CODE
DWG NO
REV
SHEET
OF
FILENAME:
TITLE
CONTRACT NO.
APPROVALS
DATE
DRAWN
CHECKED
APPROVED
ENGINEER
DESIGNER
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
3.1
DC1369A
05/22/12 05:59:39
1
2
SCH, LTC2261CUJ, HIGH SPEED LOW POWER
1369A-3.DSN
NONE
MI 10/31/07
125MSPS ADC FAMILY, LVDS
SIZE
SCALE:
CAGE CODE
DWG NO
REV
SHEET
OF
FILENAME:
TITLE
CONTRACT NO.
APPROVALS
DATE
DRAWN
CHECKED
APPROVED
ENGINEER
DESIGNER
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
3.1
DC1369A
05/22/12 05:59:39
1
2
SCH, LTC2261CUJ, HIGH SPEED LOW POWER
1369A-3.DSN
NONE
MI 10/31/07
125MSPS ADC FAMILY, LVDS
SIZE
SCALE:
CAGE CODE
DWG NO
REV
SHEET
OF
FILENAME:
TITLE
CONTRACT NO.
APPROVALS
DATE
DRAWN
CHECKED
APPROVED
ENGINEER
DESIGNER
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
3.1
DC1369A
05/22/12 05:59:39
1
2
SCH, LTC2261CUJ, HIGH SPEED LOW POWER
1369A-3.DSN
NONE
MI 10/31/07
125MSPS ADC FAMILY, LVDS
C53
100pF
C53
100pF
R34
1K
R34
1K
U7 24LC32A-I/STU7 24LC32A-I/ST
A0
1
A1
2
A2
3
A3
4
SDA
5
SCL
6
WP
7
VCC
8
C15
0.1uF
C15
0.1uF
R40
1%
24.9
R40
1%
24.9
C33
0.1uF
C33
0.1uF
C13
1uF
C13
1uF
C38
0.01uF
C38
0.01uF
L1
56uH
L1
56uH
C7
0.01uF
C7
0.01uF
1 2
C60
0.01uF
C60
0.01uF
1 2
C52
100pF
C52
100pF
T1
MABA-007159-000000
T1
MABA-007159-000000
C59
0.01uF
C59
0.01uF
1 2
R21
100
R21
100
U1 24LC025-I/STU1 24LC025-I/ST
A0
1
A1
2
A2
3
A3
4
SDA
5
SCL
6
WP
7
VCC
8
R24
100K
R24
100K
R16
100
R16
100
R33
1K
R33
1K
C12
0.1uF
C12
0.1uF
C17
1uF
C17
1uF
C27 0.1uFC27 0.1uF
R35
1K
R35
1K
R45 86.6 1%R45 86.6 1%
L4
BEAD
L4
BEAD
C58
C58
1 2
R4 OPTR4 OPT
R20
100
R20
100
TP5
GND
TP5
GND
R50 36nHR50 36nH
C3
0.01uF
C3
0.01uF
1 2
C24
4.7uF
C24
4.7uF
R25 4.99K
1%
R25 4.99K
1%
T3
WBC4-1WL
T3
WBC4-1WL
JP3
DUTY CYCLE STAB.
EN
DIS
JP3
DUTY CYCLE STAB.
EN
DIS
1
3
2
C35
0.1uF
C35
0.1uF
R1
301
1%
R1
301
1%
C36
0.1uF
C36
0.1uF
RN2 33RN2 33
1
2
3
4
8
7
6
5
R39
1%
24.9
R39
1%
24.9
U2
*
U2
*
D10_11+
32
AIN+
1
AIN-
2
GND
3
REFH
4
REFH
5
REFL
6
REFL
7
PAR/SER
8
VDD
9
VDD
10
ENC+
11
ENC-
12
CS
13
SCK
14
SDI
15
SDO
16
D0_1-
17
D0_1+
18
D2_3-
19
D2_3+
20
D4_5-
21
D4_5+
22
D6_7-
23
D6_7+
24
OGND
25
OVDD
26
CLKOUT-
27
CLKOUT+
28
D8_9-
29
D8_9+
30
D10_11-
31
D12_13-
33
D12_13+
34
OF+
36
OF-
35
VCM
37
VREF
38
SENSE
39
VDD
40
GND
41
R55 OPTR55 OPT
R44
86.6
1%
R44
86.6
1%
R48 0R48 0
R10 0R10 0
L2
BEAD
L2
BEAD
TP2
V+
3.5V - 6V
TP2
V+
3.5V - 6V
R2
301
1%
R2
301
1%
TP4TP4
R23
100
R23
100
J9
ENC-
J9
ENC-
U5
PCF8574TS/3
U5
PCF8574TS/3
P0
10
P1
11
P2
12
P3
14
SDA
4
P4
16
P5
17
P6
19
P7
20
GND
15
SCL
2
INT
1
VDD
5
A0
6
A1
7
A2
9
NC
8
NC
3
NC
13
NC
18
U6 LT1763CDEU6 LT1763CDE
GND
7
SHDN
8
SENSE
5
BYP
6
NC
9
IN
10
OUT
2
NC
4
IN
11
OUT
3
NC
12
NC
1
R6
10K
R6
10K
C30
0.1uF
C30
0.1uF
L6
OPT
L6
OPT
C1
OPT
C1
OPT
1 2
C14
1uF
C14
1uF
R51
OPT
R51
OPT
L5
BEAD
L5
BEAD
JP2
PAR
SER
PAR/SER
JP2
PAR
SER
PAR/SER
1
3
2
D1
HSMS-2822
D1
HSMS-2822
1 2
3
R22
100
R22
100
J8J8
5V
2
SCK/SCL
4
CS
6
GND
8
EEVCC
10
EEGND
12
NC
14
VUNREG
1
GND
3
MISO
5
MOSI/SDA
7
EESDA
9
EESCL
11
GND
13
R56
OPT
R56
OPT
C32
0.1uF
C32
0.1uF
C19
0.1uF
C19
0.1uF
R49
OPT
R49
OPT
R17
100
R17
100
C22
1uF
C22
1uF
C31
0.1uF
C31
0.1uF
R26 4.99K 1%R26 4.99K 1%
R14
1K
R14
1K
R52
OPT
R52
OPT
R54 0R54 0
RN1 33RN1 33
1
2
3
4
8
7
6
5
U4 LT1763CDE-1.8U4 LT1763CDE-1.8
GND
7
SHDN
8
SENSE
5
BYP
6
NC
9
IN
10
OUT
2
NC
4
IN
11
OUT
3
NC
12
NC
1
C57
C57
1 2
C26
0.1uF
C26
0.1uF
T2
MABAES0060
T2
MABAES0060
R8 6.81K 1%R8 6.81K 1%
R36
86.6
1%
R36
86.6
1%
C39
0.01uF
C39
0.01uF
C54
22uF
C54
22uF
TP1
EXT REF
TP1
EXT REF
C51
4.7pF
C51
4.7pF
C56 0.1uFC56 0.1uF
J7
ENC+
J7
ENC+
C34
0.1uF
C34
0.1uF
C21
0.1uF
C21
0.1uF
C61
0.01uF
C61
0.01uF
1 2
C28
0.1uF
C28
0.1uF
R46 OPTR46 OPT
C37
0.1uF
C37
0.1uF
R18
100
R18
100
R47 0R47 0
J5
AIN+
J5
AIN+
TP3
GND
TP3
GND
C10
8.2pF
C10
8.2pF
C2 0.01uFC2 0.01uF
C9
8.2pF
C9
8.2pF
C6
0.01uF
C6
0.01uF
1 2
C55
22uF
C55
22uF
P1 EDGE-CON-100P1 EDGE-CON-100
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
71
73
75
77
79
81
83
85
87
89
91
93
95
97
99
R30
100
R30
100
JP4
SHDN
EN
DIS
JP4
SHDN
EN
DIS
1
3
2
C18
0.1uF
C18
0.1uF
R53 OPTR53 OPT
C29
0.1uF
C29
0.1uF
R29 4.99K 1%R29 4.99K 1%
L3 BEADL3 BEAD
C20
1uF
C20
1uF
R19
100
R19
100
R7 10K 1%R7 10K 1%
R57
0
R57
0
C23
1uF
C23
1uF
R9 0R9 0
U3
FIN1108
U3
FIN1108
OUT6-
32
VE1
1
VE2
2
EN12
3
IN1-
4
IN1+
5
IN2+
6
IN2-
7
IN3-
8
IN3+
9
IN4+
10
IN4-
11
VC1
12
EN
13
IN5-
14
IN5+
15
IN6+
16
IN6-
17
IN7-
18
IN7+
19
IN8+
20
IN8-
21
EN34
22
VE3
23
VBB
24
VC2
25
VC3
26
EN56
27
OUT8-
28
OUT8+
29
OUT7+
30
OUT7-
31
OUT6+
33
OUT5+
34
VE4
36
OUT5-
35
VE5
37
OUT4-
38
OUR4+
39
OUT3+
40
OUT3-
41
OUT2-
42
OUT2+
43
OUT1+
44
OUT1-
45
EN78
46
VC5
48
VC4
47
R5 OPTR5 OPT
schematic Diagram