DC1974A - Schematic

SHDN
1
4 NC
9 NC
12 NC
1206
7
NC
4
3
2
C
C24
0.1uF
R7
45.3
R66
100
0201
R63
4.99
T2
C27
0.1uF
J2
C28
0.1uF
MABA-007159-000000
5
1
4
3
2
SMA
C29
0.1uF
R11
45.3
SENSE
0603
C26
2.2uF
0603
AINBAINB+
VDD
5
6 SENSE
VREF
VCM
7
8
9
10
11
VCM
GND
AINBAINB+
GND
12
VDD
L3
OPT
38
37
CMLA2_P
CMLA2_N
CMLA1_P
CMLA1_N
CMLB1_P
CMLB1_N
CMLB2_P
CMLB2_N
QFN48UK-7X7
OVDD
OVDD
VDD
R67
100
0201
R65
4.99
OVDD
OVDD
*
U1
AINA-
C25 2.2uF
R9
24.9
R64
4.99
R10
45.3
AINA+
AINA-
R8
24.9
VDD
2
3 GND
4 AINA+
R48
OPT
J3
DEVCLK-
R44
0
C33
0.01uF
MABA-007159-000000
5
1
SMA
4
C34
0.01uF
J4
3
R19
OPT
C35
0.01uF
2
R43
OPT
DEVCLK+
R51
OPT
R22
OPT
R42
OPT
R46
0
R52
OPT
R47
4.99
SMA
C15
0.1uF
C16
0.1uF
C17
0.1uF
C18
0.1uF
C19
0.1uF
C20
0.1uF
C42 - C49
1000pF
26
25
C21
0.1uF
CMLA2_P
CMLA2_N
CMLA1_P
CMLA1_N
30
29
28
27
CML* CONNECTIONS
ARE 50 OHMS
CMLB1_P
CMLB1_N
CMLB2_P
CMLB2_N
OVDD
VDD
U7
NC7WZ14P6X
R24
1k
R20
OPT
R21
OPT
VDD
VDD
R14
100
C30
R25
1k
R15
0
C53
0.1uF
R12
0
C14
0.1uF
34
33
32
31
VDD
6
1
4
3
5
VCC
GND
VDD
3
2
1
2
0.1uF
SYNC_N
R16
0
J5
SMA
ADC_SYS_REF_N
R17
100
B
CLK+
+3.3V
CLK-
R26
20
R13
0
R30
300
R27
49.9
R53
OPT
R29
20
R28
49.9
C50
0.01uF
+3.3V
C32
0.1uF
C31
0.1uF
C52
0.01uF
R31
300
C51
0.01uF
C
SYNC
0
1
JP2
SYNC_P
R45
0
T3
B
R50
OPT
C13
0.1uF
36
35
1206
R49
OPT
C12
0.1uF
OVDD
VDD
VDD
49
48
47
1
R6
45.3
OVDD
U9
1
2
3
4
5
6
FILTA
V+
IN+
INGND
FILTB
SD1
OUT1+
OUT1OUT2OUT2+
SD2
J6
SMA
+3.3V
R55
OPT
LTC6957IDD-2
EP
1
VDD
13
C23
0.1uF
5
OF+
OF-
VDD
[3]
VDD
MABA-007159-000000
DATE
02-25-15
C7
10uF
0805
VDD
C22
0.1uF
SMA
AINB
R18
0
GND
VDD
GND
J1
APPROVED
CLARENCE M.
D
VDD
GND
DEVCLKDEVCLK+
GND
AINA
R62
4.99
PRODUCTION
CS
SCK
SDI
SDO
C11
2.2uF
0603
T1
C6
0.01uF
6
BYP
13
14
15
16
17
SENSE
DESCRIPTION
3
VDD
R5
1k
E3
5
SENSE
SYNC_N
C10
0.1uF
D
8
R2
10k
23
24 VDD
OVDD
L2
33 Ohm FB
42
41
40
39
4
R1
3.01k
OFN+
OFNDNC
DNC
SET
C3
100uF
10V
6032
GND
VCTRL
C5 +
2.2uF
0603
R4
182K
REV
__
2
3
OUT
OUT
IN
21
22 SYNC_P
5
NC
10
11 IN
1206
SYSREF_N
6
3
2
1
9
20
C2
1uF
OUT
OUT
OUT
EP
ECO
+3.3V
LT1763CDE-3.3
18
19 SYSREF_P
IN
U3
V+
EP
C1
1uF
7
8 IN
VDD
L1
0 Ohm RES
E4
1
REVISION HISTORY
46
45
44
43
C4
47uF
1210
E2
1.8V OUT
LT3080EDD
2
CS
SCK
SDI
SDO
U2
V+
E1
3
GND
V+
4V - 6V
GND
4
13
5
ADC_SYS_REF_P
R60
OPT
R41
100
12
11
10
9
8
7
R39
0
J10
R54
OPT
FPGA_CLK_P
SMA
R56
100
R40
0
R61
100
J9
R23
OPT
FPGA_CLK_N
SMA
FPGA_CLK_P
FPGA_CLK_N
NOTES: UNLESS OTHERWISE SPECIFIED
A
CUSTOMER NOTICE
*
1. ALL RESISTORS ARE IN OHMS, 0402.
ALL CAPACITORS ARE IN MICROFARADS, 0402.
2. INSTALL SHUNTS AS SHOWN.
3. R18 IS OPTIONAL AT THE FINAL VERSION.
ASSY
-B
-C
U1
LTC2123IUK-14
LTC2122IUK-14
-Bit
14
14
Msps
250
170
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
PCB DES.
KIM T.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP
ENG.
CLARENCE
M.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
3
2
TECHNOLOGY
TITLE: SCHEMATIC
SIZE
N/A
SCALE = NONE
DATE:
IC NO.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DUAL 14-BIT HIGH SPEED ADC
WITH JESD204B SERIAL OUTPUTS
REV.
LTC212XIUK FAMILY
3
DEMO CIRCUIT 1974A
Wednesday, February 25, 2015
SHEET
1
1
OF
2
A
5
4
J13A
J13B
GND
DP1_M2C_P
DP1_M2C_N
GND
GND
DP2_M2C_P
DP2_M2C_N
GND
GND
DP3_M2C_P
DP3_M2C_N
GND
GND
DP4_M2C_P
DP4_M2C_N
GND
GND
DP5_M2C_P
DP5_M2C_N
GND
GND
DP1_C2M_P
DP1_C2M_N
GND
GND
DP2_C2M_P
DP2_C2M_N
GND
GND
DP3_C2M_P
DP3_C2M_N
GND
GND
DP4_C2M_P
DP4_C2M_N
GND
GND
DP5_C2M_P
DP5_C2M_N
GND
D
C
3
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
A35
A36
A37
A38
A39
A40
CMLB1_P
CMLB1_N
CMLB2_P
CMLB2_N
SEAM-10X40PIN
J13C
RES1
GND
GND
DP9_M2C_P
DP9_M2C_N
GND
GND
DP8_M2C_P
DP8_M2C_N
GND
GND
DP7_M2C_P
DP7_M2C_N
GND
GND
DP6_M2C_P
DP6_M2C_N
GND
GND
GBTCLK1_M2C_P
GBTCLK1_M2C_N
GND
GND
DP9_C2M_P
DP9_C2M_N
GND
GND
DP8_C2M_P
DP8_C2M_N
GND
GND
DP7_C2M_P
DP7_C2M_N
GND
GND
DP6_C2M_P
DP6_C2M_N
GND
GND
RES0
CMLA2_P
CMLA2_N
2
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31
B32
B33
B34
B35
B36
B37
B38
B39
B40
J7
C1
GND C2
DP0_C2M_P C3
DP0_C2M_N C4
GND C5
GND C6
DP0_M2C_P C7
DP0_M2C_N C8
GND C9
GND C10
LA06_P C11
LA06_N C12
GND C13
GND C14
LA10_P C15
LA10_N C16
GND C17
GND C18
LA14_P C19
LA14_N C20
GND C21
GND C22
LA18_P_CC C23
LA18_N_CC C24
GND C25
GND C26
LA27_P C27
LA27_N C28
GND C29
GND C30
SCL C31
SDA C32
GND C33
GND C34
GA0 C35
12P0V C36
GND C37
12P0V C38
GND C39
3P3V C40
OPT
FPGA_GBT_REF_P
SMA
J8
OPT
FPGA_GBT_REF_N
SMA
PG_C2M
GND
GND
GBTCLK0_M2C_P
GBTCLK0_M2C_N
GND
GND
LA01_P_CC
LA01_N_CC
GND
LA05_P
LA05_N
GND
LA09_P
LA09_N
GND
LA13_P
LA13_N
GND
LA17_P_CC
LA17_N_CC
GND
LA23_P
LA23_N
GND
LA26_P
LA26_N
GND
TCK
TDI
TDO
3P3VAUX
TMS
TRST_N
GA1
3P3V
GND
3P3V
GND
3P3V
FPGA_SYS_REF_P
SMA
CMLA1_P
CMLA1_N
J12
FPGA_SYS_REF_N
SMA
R32
24.9
CS_FMC
SDO_FMC
CS
C37
47pF
R33
24.9
SDI_FMC
SCK_FMC
C38
47pF
SCL
SDA
CS
+3.3V
R58
1k
R59
3.01k
R34
24.9
SDO
SDO
GND
SDI
SDI
C39
47pF
R35
24.9
GND
SCK
SEAM-10X40PIN
SEAM-10X40PIN
J13D
J11
SCK
1
GND
CLK0_C2M_P
CLK0_C2M_N
GND
GND
LA00_P_CC
LA00_N_CC
GND
LA03_P
LA03_N
GND
LA08_P
LA08_N
GND
LA12_P
LA12_N
GND
LA16_P
LA16_N
GND
LA20_P
LA20_N
GND
LA22_P
LA22_N
GND
LA25_P
LA25_N
GND
LA29_P
LA29_N
GND
LA31_P
LA31_N
GND
LA33_P
LA33_N
GND
VADJ
GND
FPGA_CLK_P
FPGA_CLK_N
R57
0
SEAM-10X40PIN
C40
47pF
J13H
J13G
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
D32
D33
D34
D35
D36
D37
D38
D39
D40
G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
G11
G12
G13
G14
G15
G16
G17
G18
G19
G20
G21
G22
G23
G24
G25
G26
G27
G28
G29
G30
G31
G32
G33
G34
G35
G36
G37
G38
G39
G40
VREF_A_M2C
PRSNT_M2C_N
GND
CLK0_M2C_P
CLK0_M2C_N
GND
LA02_P
LA02_N
GND
LA04_P
LA04_N
GND
LA07_P
LA07_N
GND
LA11_P
LA11_N
GND
LA15_P
LA15_N
GND
LA19_P
LA19_N
GND
LA21_P
LA21_N
GND
LA24_P
LA24_N
GND
LA28_P
LA28_N
GND
LA30_P
LA30_N
GND
LA32_P
LA32_N
GND
VADJ
SYNC_P
SYNC_N
OF+
OF-
SEAM-10X40PIN
H1
H2
H3
H4
H5
H6
H7
H8
H9
H10
H11
H12
H13
H14
H15
H16
H17
H18
H19
H20
H21
H22
H23
H24
H25
H26
H27
H28
H29
H30
H31
H32
H33
H34
H35
H36
H37
H38
H39
H40
D
C
SEAM-10X40PIN
3P3VAUX
R37
4.99K
R36
4.99K
VCC
24LC32A
GND
1
2
3
U6
4
WP
PROG
SCL
SDA
WP
A2
A1
A0
ARRAY
EEPROM
6
5
7
3
2
1
EEPROM
8
R38
4.99K
C41
0.1uF
JP1
J13E
B
A
GND
HA01_P_CC
HA01_N_CC
GND
GND
HA05_P
HA05_N
GND
HA09_P
HA09_N
GND
HA13_P
HA13_N
GND
HA16_P
HA16_N
GND
HA20_P
HA20_N
GND
HB03_P
HB03_N
GND
HB05_P
HB05_N
GND
HB09_P
HB09_N
GND
HB13_P
HB13_N
GND
HB21_P
HB21_N
GND
HB20_P
HB20_N
GND
VADJ
GND
VDD
J13F
E1
E2
E3
E4
E5
E6
E7
E8
E9
E10
E11
E12
E13
E14
E15
E16
E17
E18
E19
E20
E21
E22
E23
E24
E25
E26
E27
E28
E29
E30
E31
E32
E33
E34
E35
E36
E37
E38
E39
E40
PG_M2C
GND
GND
HA00_P_CC
HA00_N_CC
GND
HA04_P
HA04_N
GND
HA08_P
HA08_N
GND
HA12_P
HA12_N
GND
HA15_P
HA15_N
GND
HA19_P
HA19_N
GND
HB02_P
HB02_N
GND
HB04_P
HB04_N
GND
HB08_P
HB08_N
GND
HB12_P
HB12_N
GND
HB16_P
HB16_N
GND
HB19_P
HB19_N
GND
VADJ
SEAM-10X40PIN
SEAM-10X40PIN
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
F13
F14
F15
F16
F17
F18
F19
F20
F21
F22
F23
F24
F25
F26
F27
F28
F29
F30
F31
F32
F33
F34
F35
F36
F37
F38
F39
F40
J13J
GND
CLK1_C2M_P
CLK1_C2M_N
GND
GND
HA03_P
HA03_N
GND
HA07_P
HA07_N
GND
HA11_P
HA11_N
GND
HA14_P
HA14_N
GND
HA18_P
HA18_N
GND
HA22_P
HA22_N
GND
HB01_P
HB01_N
GND
PB07_P
HB07_N
GND
HB11_P
HB11_N
GND
HB15_P
HB15_N
GND
HB18_P
HB18_N
GND
VIO_B_M2C
GND
SEAM-10X40PIN
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
J11
J12
J13
J14
J15
J16
J17
J18
J19
J20
J21
J22
J23
J24
J25
J26
J27
J28
J29
J30
J31
J32
J33
J34
J35
J36
J37
J38
J39
J40
J13K
VREF_B_M2C
GND
GND
CLK1_M2C_P
CLK1_M2C_N
GND
HA02_P
HA02_N
GND
HA06_P
HA06_N
GND
HA10_P
HA10_N
GND
HA17_P_CC
HA17_N_CC
GND
HA21_P
HA21_N
GND
HA23_P
HA23_N
GND
HB00_P_CC
HB00_N_CC
GND
HB06_P_CC
HB06_N_CC
GND
HB10_P
HB10_N
GND
HB14_P
HB14_N
GND
HB17_P_CC
HB17_N_CC
GND
VIO_B_M2C
K1
K2
K3
K4
K5
K6
K7
K8
K9
K10
K11
K12
K13
K14
K15
K16
K17
K18
K19
K20
K21
K22
K23
K24
K25
K26
K27
K28
K29
K30
K31
K32
K33
K34
K35
K36
K37
K38
K39
K40
B
CUSTOMER NOTICE
SEAM-10X40PIN
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
PCB DES.
KIM T.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP
ENG.
CLARENCE
M.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
3
2
TECHNOLOGY
TITLE: SCHEMATIC
SIZE
N/A
SCALE = NONE
DATE:
IC NO.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DUAL 14-BIT HIGH SPEED ADC
WITH JESD204B SERIAL OUTPUTS
REV.
LTC212XIUK FAMILY
3
DEMO CIRCUIT 1974A
Wednesday, February 25, 2015
SHEET
1
2
OF
2
A
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