Linear Technology DC1974 Series, Demo Manual

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12
dc1974f
DEMO MANUAL DC1974
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
ASSY
LTC2123IUK-14
U1
LTC2122IUK-14
*
250 170
Msps
-A
LTC2124IUK-14
310
GND
V+
4V - 6V
ALL CAPACITORS ARE IN MICROFARADS, 0402.
NOTES: UNLESS OTHERWISE SPECIFIED
2. INSTALL SHUNTS AS SHOWN. 1. ALL RESISTORS ARE IN OHMS, 0402.
-Bit
14 14 14
-B -C
C42 - C49 1000pF
SYNC
0 1
CML* CONNECTIONS ARE 50 OHMS
3. R18 IS OPTIONAL AT THE FINAL VERSION.
SENSE
AINB- AINB+ AINA- AINA+
VCM
CLK- CLK+
V+
+3.3V
V+
VDD
VDD
VDD
VDD
VDD
VDD
VDD
OVDD OVDD
VDD
OVDD
OVDD
VDD
VDD
VDD
+3.3V
VDD
+3.3V
+3.3V
CMLB1_N CMLB1_P SYNC_N SYNC_P CMLB2_N CMLB2_P CMLA2_P CMLA1_N CMLA1_P CMLA2_N OF+ OF- CS SCK SDI SDO
FPGA_CLK_P FPGA_CLK_N
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
CLARENCE M.
PRODUCTION
3
07-31-14
__
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
CLARENCE M.
PRODUCTION
3
07-31-14
__
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
CLARENCE M.
PRODUCTION
3
07-31-14
__
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
3
DEMO CIRCUIT 1974A
Thursday, July 31, 2014
1
2
N/A
LTC212XIUK FAMILY
KIM T.
CLARENCE M.
DUAL 14-BIT HIGH SPEED ADC WITH JESD204B SERIAL OUTPUTS
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
3
DEMO CIRCUIT 1974A
Thursday, July 31, 2014
1
2
N/A
LTC212XIUK FAMILY
KIM T.
CLARENCE M.
DUAL 14-BIT HIGH SPEED ADC WITH JESD204B SERIAL OUTPUTS
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
3
DEMO CIRCUIT 1974A
Thursday, July 31, 2014
1
2
N/A
LTC212XIUK FAMILY
KIM T.
CLARENCE M.
DUAL 14-BIT HIGH SPEED ADC WITH JESD204B SERIAL OUTPUTS
J9
FPGA_CLK_N
SMA
J9
FPGA_CLK_N
SMA
J5
ADC_SYS_REF_N
SMA
J5
ADC_SYS_REF_N
SMA
R46
0
R46
0
R22 OPT R22 OPT
R12
0
R12
0
R1 3.01k R1 3.01k
L1
0 Ohm RES
1206
L1
0 Ohm RES
1206
C50 0.01uFC500.01uF
E3
SENSE
E3
SENSE
C5 2.2uF 0603 C5 2.2uF 0603
E4
1.8V OUT
E4
1.8V OUT
R48 OPT R48 OPT
R67 100 0201 R67 100 0201
R29 20 R29 20
J10
FPGA_CLK_P
SMA
J10
FPGA_CLK_P
SMA
J6
ADC_SYS_REF_P
SMA
J6
ADC_SYS_REF_P
SMA
R25 1k R25 1k
R44
0
R44
0
R39 0 R39 0 R40 0 R40 0
R41 100 R41 100
T3
MABA-007159-000000
T3
MABA-007159-000000
5 4
3 1
2
R47 4.99 R47 4.99
R13
0
R13
0
R66 100 0201 R66 100 0201
R20 OPT R20 OPT
R10 45.3 R10 45.3
C11 2.2uF 0603 C11 2.2uF 0603
R14 100 R14 100
R27 49.9 R27 49.9
R54 OPT R54 OPT
T1
MABA-007159-000000
T1
MABA-007159-000000
5 4
3 1
2
R64 4.99 R64 4.99
R50 OPT R50 OPT
E1E1
C14 0.1uF C14 0.1uF
R28 49.9 R28 49.9
C24 0.1uF C24 0.1uF
R7 45.3 R7 45.3
C34 0.01uFC340.01uF
R49 OPT R49 OPT
C7 10uF 0805 C7 10uF 0805
C26 2.2uF 0603 C26 2.2uF 0603
U1
*
QFN48UK-7X7
U1
*
QFN48UK-7X7
VDD
1
GND
2
AINA+
3
AINA-
4
SENSE
5
VREF
6
VCM
7
GND
8
AINB-
9
AINB+
10
GND
11
VDD
12
VDD
13
GND
14
DEVCLK-
15
16
GND
17
SYS REF _P
18
SYS REF _N
19
GND
20
SYNC_P
21
SYNC_N
22
VDD
23
VDD
24
OVDD
25
OVDD
26
CMLB2_N
27
CMLB2_P
28
CMLB1_N
29
CMLB1_P
30
CMLA1_N
31
CMLA1_P
32
CMLA2_N
33
CMLA2_P
34
OVDD
35
OVDD
36
VDD
37
VDD
38
DNC
39
DNC
40
OFN-
41
OFN+
42
SDO
43
SDI
44
SCK
45
CS
46
GND
47
VDD
48
GND
49
L2
33 Ohm FB
1206
L2
33 Ohm FB
1206
T2
MABA-007159-000000
T2
MABA-007159-000000
5 4
3 1
2
C6 0.01uF C6 0.01uF
C35 0.01uFC350.01uF
C4 47uF 1210 C4 47uF 1210
C51 0.01uFC510.01uF
U3
LT1763CDE-3.3
U3
LT1763CDE-3.3
OUT
2
OUT
3
EP
13
SHDN
8
NC
9
GND
7
IN
10
IN
11
SENSE
5
NC
4
NC
1
NC
12
BYP
6
C32 0.1uF C32 0.1uF
R16
0
R16
0
R30 300 R30 300
J2
AINB
SMA
J2
AINB
SMA
C15 0.1uF C15 0.1uF
C53 0.1uF C53 0.1uF
R56 100 R56 100
C17 0.1uF C17 0.1uF
L3 OPT
1206
L3 OPT
1206
C19 0.1uF C19 0.1uF
C13 0.1uF C13 0.1uF
C25
2.2uF
0603
C25
2.2uF
0603
C16 0.1uF C16 0.1uF
R18 0 [3] R18 0 [3]
C18 0.1uF C18 0.1uF
R21 OPT R21 OPT
R60 OPT R60 OPT
C27
0.1uF
C27
0.1uF
R2 10k R2 10k
C33 0.01uFC330.01uF
J1
AINA
SMA
J1
AINA
SMA
R63 4.99 R63 4.99
U9
LTC6957IDD-2
U9
LTC6957IDD-2
GND
5
IN-
4
IN+
3
V+
2
FILTA
1
OUT1-
10
OUT2-
9
OUT2+
8
SD2
7
FILTB
6
OUT1+
11
SD1
12
EP
13
R45
0
R45
0
C23 0.1uFC230.1uF
+
C3 100uF 10V 6032
+
C3 100uF 10V 6032
R6 45.3 R6 45.3
C52
0.01uF
C52
0.01uF
R24 1k R24 1k
R4 182K R4 182K
GND
VCC
U7
NC7WZ14P6X
GND
VCC
U7
NC7WZ14P6X
1
6 4
3
5
2
J4
SMA
J4
SMA
C10 0.1uF C10 0.1uF
R11 45.3 R11 45.3
C31 0.1uF C31 0.1uF
JP2JP2
1 3 2
C30
0.1uF
C30
0.1uF
R15
0
R15
0
C2 1uF C2 1uF
C21 0.1uF C21 0.1uF
R5 1k R5 1k
R42 OPT R42 OPT
R26 20 R26 20
C28
0.1uF
C28
0.1uF
R23 OPT R23 OPT
R62 4.99 R62 4.99
E2E2
R9 24.9 R9 24.9 R8 24.9 R8 24.9
R43 OPT R43 OPT
R17 100 R17 100
R19 OPT R19 OPT
C20 0.1uF C20 0.1uF
C1 1uF C1 1uF
C12 0.1uF C12 0.1uF
R65 4.99 R65 4.99
R61 100 R61 100
R55 OPT R55 OPT
R52 OPT R52 OPT
R31 300 R31 300
C22 0.1uFC220.1uF
R53 OPT R53 OPT
LT3080EDD
U2
LT3080EDD
U2
OUT
1
OUT
2
OUT
3
SET
4
VCTRL
5
NC
6
IN
7
IN
8
EP
9
J3
DEVCLK-
SMA
J3
DEVCLK-
SMA
C29 0.1uF C29 0.1uF
R51 OPT R51 OPT