DC2135A - Schematic

4
3
2
1
ECO
REV
__
2
U3
4
2
4
R3
U15
+8V
CLK
33 OHM
3
2
3
4
SHDN
1
GND
VIN
OUTF
GND
OUTS
GND
GND
8
6
5
10 OHMS
C45
0.01uF
25V
NP0
V+
-
7
8
C8
OPT
2
C6
OPT
Q
3
5
8
R15
7
4
2
CNVST_33
33 OHM
-
7
C10
10uF
R2
20K
VREF
0.8VREF
2
U6
NC7SZ66P5X
R56
10 OHMS
1
2
3
4
8
7
6
5
C55
OPT
IN+
U1
V-
7
8
CNV
SCK
LTC2378CMS-20
5
IN-
SDO
BUSY
RDL/SDI
9
C15
R38 33
11
B
SCK
SDO
A
1
OE
4
4
2
J3-2
R13 1K
C16
0.1uF
GND
BUSY
12
U9
NC7SZ04P5X
0.1uF
2
13
14
+3.3V
5
4
5
VCC
3
6
C4
0.1uF 25V
FS
C
3
2
LT1637
C13 +3.3V
0.1uF
R17
2K
3
TP5
RDL
R7
1K
DC590_DETECT
B
U4
OPT
R9
10 OHMS
NOTE: UNLESS OTHERWISE SPECIFIED
6
1
5
4
OPT
Q
CNV
REF
REF/DGCL
+
LT5400-4
9
3
U2
R50
10 OHMS
3
6
16
10
C52
4.7uF
2
RP1
TP9
VCM
C12
0.1uF
VDD
R1
20K
C5
OPT
+
PR
JP2
1210
C48
0.1uF
C2
0.1uF 25V
1
5
4
R40
499
C47
10uF
C46
0.1uF
1
10K
V+
C53
0.01uF
25V
NP0
C20
47uF
X7R
10V
CHAIN
R5
V-
R39
499
3
VCC
R51
33 OHM
+2.5V
15
C51
OPT
VREF
R12
C18 0.1uF
D
C49
0.1uF
GND
GND
GND
GND
R44
0 OHM
C9
OPT
R45
OPT
J2
(OPTION) BNC
AIN+/- 10V
0.1uF
VREF
C3
0.1uF 25V
B
CP
CLR
E3
C39
10uF
8
C
-
R8
LT1468
1
5
4
C7
3300pF
NP0
2
U18
6
GND
C57
2
D
+3.3V
R37
0 OHM
VREF
7
8
0 OHM
+
6
C17
2.2uF
+3.3V
3
4
+3.3V
7
V+
C1
0.1uF 25V
R11
10-10-2013
NC7SVU04P5X
+3.3V
LTC6655-5.0
1
C11
0.1uF
BNC
J4
AIN+
+/- 10V
DATE
G.HOOVER
U10
NL17SZ74
OVDD
R6
1K
R49
49.9
1206
U8
NC7SZ04P5X
APPROVED
R55
33 OHM
U5
C58
0.1uF NC7SVU04P5X
1
R48
1K
DESCRIPTION
PRODUCTION
1
3
C59
0.1uF
5
J1
CLK IN
64MHz MAX
3.3VPP
+3.3V
3
D
C19
0.1uF
BNC
+3.3V
5
+3.3V
REVISION HISTORY
5
5
1. ALL RESISTORS AND CAPACITORS ARE 0603 PACKAGE.
R46
OPT
C50
OPT
R10
0 OHM
VR47
OPT
GND
A
GND
GND
TP7
TP6
TP4
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
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
2
APPROVALS
PCB DES.
M.HAWKINS
APP ENG.
G. HOOVER
SCALE = NONE
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
2ppm INL, DRIVER + 20-BIT SAR ADC
IC NO.
REV.
SIZE
LTC2378CMS-20
N/A
1
DEMO CIRCUIT 2135A
DATE:
10-10-2013
SHEET 1
1
OF 2
A
4
IO7
IO8
IO15
IO16
IO17
IO18
IO19
IO20
IO21
R69 33
5
R70 33
6
R34 33
7
R35 33
CLKOUT
28
IO28
DB16
IO30
DB18
IO33
DB19
IO34
8
CNVST_33
IO58
36
BUSY
IO61
37
SCK
IO66
IO67
IO68
IO69
41
IO41
21
IO57
RDL R14 33
40
IO40
20
SCK
35
39
IO39
19
IO56
38
IO38
18
SDO
34
IO37
17
IO55
33
IO36
16
IO54
30
IO35
15
IO53
29
IO29
DB17
IO52
IO70
42
IO42
47
IO47
IO72
48
IO48
R60
10K
0402
49
IO49
50
IO50
IO71
+3.3V
IO73
IO74
IO75
52
IO77
53
88
IO88
R71 33
R72 33
R73 33
R61 33
89
IO89
DB0
90
IO90
DB1
IO92
IO95
DB2
IO96
R63
R64
33
R65
33
R66
33
R67
33
R68
DB5
DB6
DB7
DB8
DB19
DB9
33
92
95
R41
33
96
R18
33
98
DB17
IO98
99
IO99
100
IO100
33
R30
33
DB12
DB15
DB13
DB13
DB14
DB11
DB15
64
10
9
(NC)
43
8
7
(NC)
44
6
5
22
4
3
23
2
1
24
25
C32
0.1uF
0402
C33
0.1uF
0402
C34
0.1uF
0402
C35
0.1uF
0402
C36
0.1uF
0402
SHDN
BYP
2
C23
0.01uF
25V
E5
+1.8V
C24
10uF
6.3V
D
4
+3.3V
1
OUT
IN
2
SEN
5
SHDN
25V
4
BYP
JP3
VCCI0
R25
1.69K
C27
0.01uF
E1
+3.3V
C26
10uF
6.3V
+2.5V
2
+3.3V
R26
1.54K
R27
2.8K
+3.3V
U14
+16V/+18V
8
OUT
IN
SEN
C28
1.0uF
25V
5
SHDN
C
+2.5V
LT1763CS8-2.5
R33
4.99K
BYP
E2
1
+2.5V
2
C30
0.01uF
25V
R19
1K
C29
10uF
6.3V
4
U16
+16V/+18V
TMS
V+
LT1763CS8
OUT
IN
SEN
C41
1.0uF
25V
TDI
TCK
5
TDO
J3-2
VCCINT
VCCINT
VCCIO1
VCCIO1
VCCIO1
VCCIO2
VCCIO2
VCCIO2
GND
GND
GND
GND
GND
GND
GND
GND
SCK
1
2
3
4
TP2
5
6
TP3
7
8
9
10
11
12
13
14
C14
0.1uF
U7
SCK
R53
4.99K
R54
4.99K
SHDN
R57
4.99K
CNV
CNV
SCL
SDA
WP
A2
A1
A0
6
5
7
3
2
1
WP
2
JP1
BYP
EEPROM
-16V / -18V
2
4
C40
0.01uF
25V
R42
11.5K
V+
C42
10uF
25V
1206
R43
1K
B
LT1964ES5-SD
2
E8
PROG
C44
1.0uF
25V
24LC024-I /ST
J3
3
1
IN
V-
OUT
SHDN
GND
ADJ
5
R28
11.5K
4
U19
E9
V-
C43
10uF
25V
1206
R29
1K
DC590
+16V/+18V
E4
1
U17
-16V/-18V
3
10
11
32
46
60
93
65
79
+8V
LT1763CS8
8
OUT
IN
SEN
SHDN
3
6
7
5
MH4
BYP
1
2
4
C56
0.01uF
25V
R4
1K
STANDOFFS 4 PLCS
5
SEN
LT1763CS8
8
C38
0.1uF
0402
MH3
5
DEV_CLRN
A
MH2
IN
C22
1.0uF
25V
C25
1.0uF
25V
DEV_OE
C60
1.0uF
25V
MH1
OUT
U13
8
R32
2K
EPM240GT100C5N
C37
0.1uF
0402
C21
22uF
25V
1210
E7
+16V/+18V
55
57
59
61
63
65
67
69
71
73
75
77
79
81
83
85
87
89
91
93
95
97
99
GCLK3
GND
GND
GND
C31
0.1uF
0402
GND
8
1
GCLK2
U11F
13
63
9
31
45
59
80
94
DB0
GCLK1
TP1
+3.3V
DB2
DB1
GCLK0
SDO
+1.8V
DB4
DB3
R24
1K
B
DB6
DB5
E6
+16V/+18V
+1.8V
LT1763CS8-1.8
3
6
7
R59 1K 0402
DB8
U12
+16V/+18V
8
JTAG
62
DB10
DB7
VCC
J5
R22 1K 0402
DB12
VSS
R21
10K
14
56
58
60
62
64
66
68
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100
DB14
4
+3.3V
12
CLK
CLK2
DB9
EPM240GT100C5N
R20 1K 0402
DB16
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
DB11
U11E
+3.3V
DB18
DB10 CLKOUT
33
R58
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
DB4
33
R74
97
IO97
DB3
33
91
IO91
R16
300
0402
C
87
IO87
67
75
86
IO86
66
74
85
IO85
61
73
84
IO84
58
72
83
IO83
57
71
82
IO82
56
70
81
IO81
55
69
78
IO78
54
68
77
R62
1
IO6
4
IO27
76
IO76
3
IO5
R31 33
27
51
GND
GND
GND
D
3
CLK2
IO51
3
6
7
IO4
R36 33
DC590_DETECT
GND
GND
GND
IO3
2
26
IO26
CLKOUT
TP8
P1
EDGE-CON-100
GND
GND
GND
IO2
1
U11D
EPM240GT100C5N
3
6
7
IO1
U11C
EPM240GT100C5N
1
GND
GND
GND
U11B
EPM240GT100C5N
2
1
U11A
EPM240GT100C5N
3
3
6
7
5
R23
5.62K
C54
10uF
16V
0805
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
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
3
2
APPROVALS
PCB DES.
M.HAWKINS
APP ENG.
G. HOOVER
SCALE = NONE
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
2ppm INL, DRIVER + 20-BIT SAR ADC
IC NO.
REV.
SIZE
LTC2378CMS-20
N/A
1
DEMO CIRCUIT 2135A
DATE:
10-10-2013
SHEET 2
1
OF 2
A
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