5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
GND
FAST DAACS BOARD ID CIRCUITRY
0201
0201
0201
0201
0201
0201
0201
0201
0201
0603 0603 0603 0603
0603 0603 0603 0603 0603 0603 0603 0603
0603
0603
NOTES: UNLESSOTHERWISE SPECIFIED,
1. ALL CAPACITORS AND RESISTORS ARE 0402.
0603 0603
0603
1206
1206
*
LTC2163CUP
5 < AIN < 170
SAMPLE RATE
16
5 < AIN < 170
LTC2160CUP
-C
5 < AIN < 170
125Msps
16
80Msps
-F
LTC2162CUP
16
FREQUENCY RASSY
-D
-A
65Msps
U2
LTC2161CUP
16
LTC2165CUP
-E
5 < AIN < 170
25Msps
LTC2164CUP
40Msps
No. of BITS
16
16
-B 5 < AIN < 170105Msps
5 < AIN < 170
SCL
VCC_IN
SDA
VSS
VCC_IN
PAR/SER
SDO
D12/13-
OUT-ENABLE1
OUT-ENABLE1
D12/13+
D14/15+
D14/15-
SCL
SDA
SCK
CS
SCK
SDI
AIN-
ENC+
ENC-
SDI
PAR/SER
AIN+
SCL
SDA
SCL
VSS
SDA
OUT-ENABLE1
CLK+
CLK-
D10/11+
D10/11-
D8/09+
D8/09-
D6/07+
D6/07-
D4/05+
D4/05-
D2/03+
D2/03-
D0/01+
D0/01-
SDA
VCM1
SDI
SDO
SDO
SCKCS
CS
+3.3V
VDD
VDD
VDD
OVDD
+3.3V
VDD
OVDD
VDD
+3.3V
+3.3V
+3.3V
VDD
VDD
VDD
+3.3V
VDD
+3.3V
VDD
VDD
REVISION HISTORY
DESCRIPTION DATEAPPROVEDECO REV
CLARENCE M.
FIRST PROTOTYPE
1 12/13/10
REVISION HISTORY
DESCRIPTION DATEAPPROVEDECO REV
CLARENCE M.
FIRST PROTOTYPE
1 12/13/10
REVISION HISTORY
DESCRIPTION DATEAPPROVEDECO REV
CLARENCE M.
FIRST PROTOTYPE
1 12/13/10
SIZE
DATE:
IC NO. REV.
SHEET OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035
Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S 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
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
1
Tuesday, November 01, 2011
1 1
HIGH SPEED LOW POWER
MI
CLARENCE M.
N/A
LTC21XXCUP FAMILY
DEMO CIRCUIT 1762A
ADC FAMILY, LVDS
SIZE
DATE:
IC NO. REV.
SHEET OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035
Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S 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
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
1
Tuesday, November 01, 2011
1 1
HIGH SPEED LOW POWER
MI
CLARENCE M.
N/A
LTC21XXCUP FAMILY
DEMO CIRCUIT 1762A
ADC FAMILY, LVDS
SIZE
DATE:
IC NO. REV.
SHEET OF
TITLE:
APPROVALS
PCB DES.
APP ENG.
TECHNOLOGY
Fax: (408)434-0507
Milpitas, CA 95035
Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S 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
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SCHEMATIC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
www.linear.com
1
Tuesday, November 01, 2011
1 1
HIGH SPEED LOW POWER
MI
CLARENCE M.
N/A
LTC21XXCUP FAMILY
DEMO CIRCUIT 1762A
ADC FAMILY, LVDS
U1 24LC02STU1 24LC02ST
A0
1
A1
2
A2
3
A3
4
SDA
5
SCL
6
WP
7
VCC
8
C36
0.1uF
C36
0.1uF
R23
100
R23
100
U6 LT3080EDDU6 LT3080EDD
VOUT
9
VCTRL
5
VOUT
1
REST
4
VIN
7
VOUT
2
VIN
8
VOUT
3
C14
1uF
C14
1uF
R22
100
R22
100
R27
100
R27
100
C59
0.01uF
C59
0.01uF
C6
0.01uF
C6
0.01uF
JP4
SHDN
EN
DIS
JP4
SHDN
EN
DIS
1
3
2
C18
0.1uF
C18
0.1uF
R5 5.1 1%R5 5.1 1%
C12
0.1uF
C12
0.1uF
C3
0.01uF
C3
0.01uF
R32
0
R32
0
T2
MABAES0060
T2
MABAES0060
R29 4.99K 1%R29 4.99K 1%
U8
FIN1101K8X
U8
FIN1101K8X
RIN-
1
GND
2
EN
3
GND
4
DOUT-
5
DOUT+
6
VCC
7
RIN+
8
R7
180K 1%
R7
180K 1%
R21
100
R21
100
C27 0.1uFC27 0.1uF
L5
OPT
L5
OPT
R26 4.99K 1%R26 4.99K 1%
R14
1K
R14
1K
R52
OPT
R52
OPT
C25
OPT
C25
OPT
R18
100
R18
100
T1
MABA-007159-000000
T1
MABA-007159-000000
R33
1K
R33
1K
R47
0
R47
0
T3
MABA-007159-000000
T3
MABA-007159-000000
5
3
2
4
1
TP4TP4
R51
100
R51
100
C26
0.1uF
C26
0.1uF
R16
100
R16
100
C17
2.2uF
C17
2.2uF
C20
0.1uF
C20
0.1uF
C32
0.1uF
C32
0.1uF
C39
22pF
C39
22pF
J7
ENC+
J7
ENC+
C28
0.1uF
C28
0.1uF
R30
100
R30
100
R11 10 1%R11 10 1%
R39
1%
33.2
R39
1%
33.2
C19
0.1uF
C19
0.1uF
C31
0.1uF
C31
0.1uF
R36
86.6
1%
R36
86.6
1%
C34
0.1uF
C34
0.1uF
C61
OPT
C61
OPT
JP6
LVDS/CMOS
EN
DIS
JP6
LVDS/CMOS
EN
DIS
1
3
2
R50 OPTR50 OPT
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
R28
0
R28
0
C33
OPT
C33
OPT
C40
OPT
C40
OPT
C21
0.1uF
C21
0.1uF
C9
8.2pF
C9
8.2pF
C1
OPT
C1
OPT
C2
0.01uF
C2
0.01uF
R4 5.1 1%R4 5.1 1%
C24
4.7uF
C24
4.7uF
R48 OPTR48 OPT
R8
330K 1%
R8
330K 1%
C55
10uF
C55
10uF
R55
100
R55
100
C22
1uF
C22
1uF
C37
0.1uF
C37
0.1uF
R9 10 1%R9 10 1%
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
R40
1%
33.2
R40
1%
33.2
C13
0.1uF
C13
0.1uF
R35
1K
R35
1K
L4
BEAD
L4
BEAD
R1
49.9
1%
R1
49.9
1%
R31
100
R31
100
R54 OPTR54 OPT
TP3
GND
TP3
GND
C41
OPT
C41
OPT
R37
1K
R37
1K
R12 10
1%
R12 10
1%
C62
0.1uF
C62
0.1uF
TP5
GND
TP5
GND
R44
86.6
1%
R44
86.6
1%
R2
49.9
1%
R2
49.9
1%
C30
0.1uF
C30
0.1uF
C15
0.1uF
C15
0.1uF
C7
0.01uF
C7
0.01uF
U2
*
U2
*
OVDD
32
VCM
1
AIN+
2
AIN-
3
GND
4
REFH
5
REFL
6
REFH
7
REFL
8
PAR/SER
9
GND
10
GND
11
VDD
12
VDD
13
GND
14
ENC+
15
ENC-
16
CS
17
SCK
18
SDI
19
GND
20
D0_1-
21
D0_1+
22
D2_3-
23
D2_3+
24
D4_5-
25
D4_5+
26
D6_7-
27
D6_7+
28
CLKOUT-
29
CLKOUT+
30
OGND
31
D8_9-
33
D8_9+
34
D10_11+
36
D10_11-
35
D12_13-
37
D12_13+
38
D14_15-
39
D14_15+
40
OF-
41
OF+
42
GND
43
SDO
44
VREF
45
SENSE
46
VDD
47
VDD
48
GND
49
C51
4.7pF
C51
4.7pF
R53 0R53 0
R57
OPT
R57
OPT
C38
22pF
C38
22pF
L1
56nH
L1
56nH
R24
100K
R24
100K
C54
10uF
C54
10uF
R46 OPTR46 OPT
CN1
2.2uF
CN1
2.2uF
81
72
63
54
J5
AIN+
J5
AIN+
L3 BEADL3 BEAD
R25 4.99K
1%
R25 4.99K
1%
R15
3K
1%
R15
3K
1%
RN2 33RN2 33
1
2
3
4
8
7
6
5
C16
0.1uF
C16
0.1uF
U4 LT3080EDDU4 LT3080EDD
VOUT
9
VCTRL
5
VOUT
1
REST
4
VIN
7
VOUT
2
VIN
8
VOUT
3
R34
1K
R34
1K
R20
100
R20
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
R6
10K
R6
10K
C60
OPT
C60
OPT
C23 2.2uFC23 2.2uF
R45 86.6 1%R45 86.6 1%
TP2
V+
3.5V - 6V
TP2
V+
3.5V - 6V
JP2
PAR
SER
PAR/SER
JP2
PAR
SER
PAR/SER
1
3
2
C10
8.2pF
C10
8.2pF
R38
1K
R38
1K
R41
3K
1%
R41
3K
1%
R56
OPT
R56
OPT
JP3
DUTY CYCLE STAB.
EN
DIS
JP3
DUTY CYCLE STAB.
EN
DIS
1
3
2
C35
0.1uF
C35
0.1uF
R10 10 1%R10 10 1%
L2
BEAD
L2
BEAD
R49
OPT
R49
OPT
R17
100
R17
100
TP1
EXT REF
TP1
EXT REF
JP5
NAP
EN
DIS
JP5
NAP
EN
DIS
1
3
2
C29
0.1uF
C29
0.1uF
R19
100
R19
100
