DC2326A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
AIN0+
C3
0.1uF
BNC
2
R4
49.9
1206
5
R2
33
4
2
R3
33
4
U2
R5
1k
APPROVED
DATE
GUY H.
10-26-15
PRODUCTION
C2
0.1uF
CLKIN
U3
NC7SZ04P5X
NC7SZ04P5X
3
D
J1
CLK
100MHz MAX
2.5VPP
R1
1k
DESCRIPTION
1
VCCIO
C1
0.1uF
3
AIN0-
VCCIO
5
VCCIO
REV
D
VCCIO
VCCIO
C6
0.1uF
C7
0.1uF
C
AIN3+
AIN4-
GND
GND
3
C13
1uF
4
24
37
36
35
34
33
32
29
28
27
26
25
38
39
23
22
VCCIO
EXT
5
JP1
R10
R11
R12
R13
R14
R15
R16
R17
R18
R19
R20
R21
1k
D
C16
0.1uF
4
2
R9
0
CSB
U5
3
R8
33
4
INT
VOUT_S GND
NL17SZ74
2
OE
C12
2.2uF
VIN
7
U4
GND
REF
SHDN
VOUT_F
Q
Q
5
GND
1
R6
33
8
5
7
6
1
2
3
PR
3
8
21
19
REFBUF
REFIN
42
43
40
31
CNV
SDI
SDO7
SDO-/SDO6
SDO+/SDO5
SCKO-/SDO4
SCKO+/SCKO
SCKI-/SCKI
SCKI+/SDO3
SDI-/SDO2
SDI+/SDO1
SDO0
BUSY
CSL
LVDS/CMOSL
PD
49
46
44
41
20
18
15
30
16
17
45
AIN4+
AIN0AIN0+
AIN1AIN1+
AIN2AIN2+
AIN3AIN3+
AIN4AIN4+
AIN5AIN5+
AIN6AIN6+
AIN7AIN7+
OVDD
13
14
11
12
9
10
7
8
5
6
3
4
1
2
47
48
C15
1uF
50V
EP
GND
GND
GND
GND
GND
GND
OGND
GND
GND
GND
AIN3-
C9
1uF
50V
VDD
VDD
VDDL
U1
LTC2345
C14
1uF
50V
C11
47uF 10V
1210
X7R
VCCIO
CLR
1
VDD
AIN2+
R7
OPT
REFBUF
VCC
VCC
A
C10
10uF
AIN2-
LTC6655BHMS8-5
5V
GND
VCC
REFBUF
E1
VDDL
6
NC7SZ04P5X
WRIN
3
U6
2 B
AIN1+
4
U7
CP
5
1
2
AIN1-
NC7SZ66P5X
33
33
33
33
33
33
33
33
33
33
33
CNV
SDI
SDO7
SDO- /SDO6
SDO+ /SDO5
SCKO- /SDO4
SCKO+ /SCKO
SCKI- /SCKI
SCKI+/SDO3
SDI- /SDO2
SDI+ /SDO1
SDO0
BUSY
CNV
SDI
SDO7
SDO-/SDO6
SDO+/SDO5
SCKO-/SDO4
SCKO+/SCKO
SCKI-/SCKI
SCKI+/SDO3
SDI-/SDO2
SDI+/SDO1
SDO0
BUSY
LVDS/ CMOSL
LVDS/CMOSL
R22
1k
SDA
SCL
AIN5-
U8
R23
AIN5+
VCCIO
AIN6-
C17
0.1uF
0402
1
2
3
4
5
6
7
8
9
10
INTL
SCL
NC
SDA
VDD
A0
A1
NC
A2
P0
20
19
18
17
16
15
14
13
12
11
P7
P6
NC
P5
P4
VSS
P3
NC
P2
P1
OPT
WRIN
0402 X 8PLCS
PCF8574TS
B
C
WRIN2
R24
R25
33
33
WRIN
SDI_IN
WRIN
SDI_IN
R26
R27
33
33
SCK_IN
CNV_IN
SCK_IN
CNV_IN
R28
33
LVDS /CMOSLIN
LVDS/CMOSLIN
R29
R30
33
33
WRIN2
AUX1
WRIN2
AUX1
R31
33
AUX2
AIN6+
B
AUX0
SCK_IN2
VCCIO C19
0.1uF
WRIN2 2
R33
33 0402
1
LVDS/CMOSLIN
OE
4
U9
SDI 2 B
NC7SZ66P5X
GND
A
1
SDI_IN
OE
4
U10
SCKI-/SCKI
VCC
R32
0
2 B
NC7SZ66P5X
VCC
A
1
SCK_IN
OE
4
U11
CNV
2 B
NC7SZ66P5X
GND
GND
A
1
CNV_IN
OE
4
U12
NC7SZ66P5X
WRIN2L
WRIN2L
3
4
VCC
A
3
NC7SZ04P5X
GND
0402
3
U13
VCC
LVDS/CMOSL 2 B
3
5
VCCIO C22
0.1uF
0402
VCCIO C21
0.1uF
5
5
0402
5
0402
AIN7+
VCCIO C20
0.1uF
5
VCCIO C18
0.1uF
3
AIN7-
A
CUSTOMER NOTICE
NOTES: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS AND CAPACITORS ON THIS PAGE ARE 0603.
*
ASSY
A
B
U1
LTC2345-18
LTC2345-16
SUFFIX
45-18
45-16
-Bit
18
16
Ksps
200
200
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.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
R61
0
OPT
4
TECHNOLOGY
KIM T.
GUY H.
8-CHANNEL, SOFTSPAN, HIGH SPEED, SERIAL, SAR, ADC
3
2
B
SCALE = NONE
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
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
APPROVALS
DATE:
IC NO.
LTC2345IUK FAMILY
DEMO CIRCUIT 2326A
Monday, October 26, 2015
1
REV.
1
SHEET 1
OF 4
A
5
4
3
2
1
U14
U16
LT1763CS8
+9V/+10V
GND
8
E6
C24
47uF 25V
7343
TANT
C30
1uF
25V
IN
OUT
SEN
5
SHDN
-9V/-10V
VCC
E3
GND
GND
GND
+9V / +10V
LT1964ES5-SD
BYP
E7
1
C31
0.01uF
2
R38
5.62k
C32
10uF
25V
4
D
VCC
-9V / -10V
1
E5
2
C27
10uF
25V
C28
1uF
25V
3
GND
OUT
E2
5
R34
2k
IN
SHDN
ADJ
4
C23 VEE
10uF
25V
VEE
R36
1k
D
3
6
7
R39
1k
U17
LT1763CS8
8
IN
OUT
5
SHDN
GND
GND
GND
SEN
BYP
E8
C34
0.01uF
2
R40
1.07k
4
R41
1k
3
6
7
C33
1uF
25V
VCCIO
1
1
2
3
R42
1.58k
VCCIO
+2.5V
C35
10uF
25V
VCCIO
+3.3V
JP2
U18
LT1763CS8
8
OUT
SEN
5
SHDN
BYP
E9
C37
0.01uF
2
R43
3.09k
C38
10uF
25V
4
VDD
C
R44
1k
3
6
7
C
IN
GND
GND
GND
C36
1uF
25V
VDD
1
U19
LT3021ES8-1.2
AGND
SHDN
GND
5
OUT
6
C39
3.3uF
25V
IN
+1.2V
SEN
E10
2
VCCINT
3
C40
10uF
25V
+1.2V
4
8
U20
LT1763CS8-2.5
8
OUT
SEN
SHDN
BYP
E11
C42
0.01uF
2
C43
10uF
25V
4
+2.5V
B
3
6
7
5
GND
GND
GND
C41
1uF
25V
B
IN
+2.5V
1
U21
LT1763CS8
8
OUT
5
SHDN
GND
GND
GND
SEN
BYP
E12
C45
0.01uF
2
R45
1.43k
4
C46
10uF
25V
+3V
NOTES: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS AND CAPACITORS ON THIS PAGE ARE 0603.
R46
1k
3
6
7
C44
1uF
25V
IN
+3V
1
CUSTOMER NOTICE
A
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.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
TECHNOLOGY
KIM T.
GUY H.
TITLE: SCHEMATIC
8-CHANNEL, SOFTSPAN, HIGH SPEED, SERIAL, SAR, ADC
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
2
B
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DATE:
IC NO.
LTC2345IUK FAMILY
DEMO CIRCUIT 2326A
Tuesday, June 23, 2015
REV.
1
SHEET 2
1
OF 4
A
5
4
U22B
U22C
IO1
IO2
IO3
IO4
IO5_VREF1
IO6_DIFFL4P
IO7_DIFFL4N
CLK0
CLK1
BANK2
1
2
3
4
7
10
11
22
23
AUX0
AUX1
WRIN2
LVDS/CMOSLIN
2
U22D
BANK1
D
3
CLK2
CLK3
IO1
IO2
IO3_VREF2
IO4_RUP1
IO5_RDN1
IO6
R52
33
CLKIN
BUSY
SDI
R49
33
SDO7
IO1_DIFFIOB1P
IO2_DIFFIOB1N
IO3
IO4
IO5
IO6_VREF3
IO7_DIFFIOB9P
IO8_DIFFIOB9N
IO9
IO10_DIFFIOB11P
IO11_DIFFIOB11N
VCCIO
3
2
1
I/O
LVDS
P1
U22E
SDO-/SDO6
BANK3
24
25
28
30
31
32
33
34
1
R47
0
BANK4
R50
OPT
38
39
42
43
44
46
49
50
51
52
53
54
55
58
59
60
64
65
66
67
68
69
70
71
72
IO1_DIFFIOB12P
IO2_DIFFIOB12N
IO3
IO4_DIFFIOB16P
IO5_DIFFIOB16N
IO6
IO7_VREF4
IO8_RUP2
IO9_RDN2
IO10
IO11
IO12_DIFFIOB21P
IO13_DIFFIOB21N
IO14
SDO+/SDO5
SCKO-/SDO4
R54
OPT
SCKO+/SCKO
CMOS
SCKI-/SCKI
R48
0
R53
OPT
VCCIO
U22F
IO1
IO2
IO3
IO4_RUP3
IO4_RDN3
IO5
IO6_VREF5
IO7
IO8_DIFFIOR8N
IO9_DIFFIOR8P
CLK7_DIFFCLK3N
CLK6_DIFFCLK3P
C
R61
[2]
CYCLONE3-EP3C5E144
U22G
U22H
U22I
R60
10k
BANK5
73
74
75
76
77
79
80
83
84
85
88
89
R59
10k
CYCLONE3-EP3C5E144
BANK6
ID
R65
R67
33
33
CLK5_DIFFCLK2N
CLK4_DIFFCLK2P
IO1
IO2
IO3_VREF6
IO4
SDO0
CSB
LVDS/CMOSL
CNV_IN
SCK_IN
SDI_IN
WRIN
BANK7
90
91
100
104
105
106
D9
D8
SDI-/SDO2
R58
0
R56
OPT
R57
OPT
D7
D6
D5
D4
D3
D2
CNVCLK
R63
R64
R66
R68
33
33
33
33
IO1
IO2
IO3
IO4
IO5_RUP4
IO6_RDN4
IO7_VREF7
IO8_DIFFIOT16N
IO9_DIFFIOT16P
IO10
IO11
IO12_DIFFIOT12N
IO13_DIFFIOT12P
SS0
SS1
SS2
A0
CNVCLK
SYNC
D1
D0
BANK8
110
111
112
113
114
115
119
120
121
124
125
126
127
R62
R70
33
33
A1
A2
R74
R76
R78
R80
R82
R84
R86
R88
R90
33
33
33
33
33
33
33
33
33
IDOUT
D0
D1
SYNC
CNVCLK
D2
D3
D4
D5
128
129
132
133
135
136
137
138
141
142
143
144
IO1_DIFFIOT11N
IO2_DIFFIOT11P
IO3_DIFFIOT10N
IO4_DIFFIOT10P
IO5
IO6_VREF8
IO7
IO8
IO9
IO10
IO11_DIFFIOT01N
IO12_DIFFIOT01P
R69
R71
R72
R73
R75
R77
R79
R81
R83
R85
R87
R89
D17
D16
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
33
33
33
33
33
33
33
33
33
33
33
33
IDOUT
A2
A1
A0
SS2
SS1
SS0
+3V
2
4
6
8
10
VCCIO
CONFIG
VCCIO
C58
0.1uF
C59
0.1uF
C60
0.1uF
C61
0.1uF
C62
0.1uF
C63
0.1uF
C64
0.1uF
C65
0.1uF
C66
0.1uF
C68
0.1uF
C69
0.1uF
+2.5V
C70
47uF
0805
CYCLONE3-EP3C5E144
C71
4.7uF
0603
C72
C73
C74
C75
0.01uF 0.1uF 1000pF 22nF
C76
22nF
C77
22nF
C78
4.7nF
+
C87
C88
470uF 4.7uF
7343 0603
6
8
9
12
13
14
15
16
18
20
21
86
87
92
94
96
97
98
99
101
103
C83
C89
C84
0.01uF 0.01uF 0.1uF
C90
0.1uF
C85
0.1uF
C91
0.1uF
C92
0.1uF
C86
2.2nF
8
VCC
+3V
8
7
6
5
VCC
VCC
DCLK
ASDI
+3V
C56
0.1uF
R93
4.99k
0603
C57
0.1uF
R94
4.99k
0603
SCL
SDA
WP
A2
A1
A0
6
5
7
3
2
1
SCL
SDA
EEPROM
1
2
3
WP
PROG
B
JP4
J4
HD2X7-079-MOLEX
V+
5V
+2.5V
CYCLONE3-EP3C5E144
R101
10k
C93
4.7nF
VCCIO
R102
10k
R103
10k
+3V
+3V
+3V
+3V
R104
1k
D1
BAT54WS
C79
10pF
JTAG
2
4
6
8
10
1
3
5
7
9
HD2X5-100
NOTES: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS AND CAPACITORS ON THIS PAGE ARE 0402.
TCK
TDO
TMS
TDI
D2
BAT54WS
D3
BAT54WS
C80
10pF
CS
SCK/SCL
MOSI/SDA
MISO
EEVCC
EESDA
EESCL
EEGND
AUX
D4
BAT54WS
C81
10pF
CUSTOMER NOTICE
C82
10pF
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
3
2
1
2
6
4
7
5
DC590/DC2026
CNV
SCK_IN2
SDI
SDO0
10
9
11
12
14
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.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
TECHNOLOGY
KIM T.
GUY H.
8-CHANNEL, SOFTSPAN, HIGH SPEED, SERIAL, SAR, ADC
B
SCALE = NONE
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
SIZE
2. R61 IS O OHMS ON "A" ASSEMBLY TYPE AND OPTIONAL ON "B" ASSEMBLY TYPE.
4
NCS
DATA
VCC
GND
TDI
TCK
TMS
TDO
NCE
J3
5
EPCS4SI8
+3V
1
2
3
4
+1.2V
L1
BLM31PG391SN1L
VCCD_PLL
A
C67
0.1uF
IO1_DATA1
IO2_FLASH_NCE
N_STATUS
DCLK
IO3_DATA0
NCONFIG
TDI
TCK
TMS
TDO
NCE
IO4_DEV_OE
IO5_DEV_CLRN
CONF_DONE
MSEL0
MSEL1
MSEL2
IO6_INIT_DONE
IO7_CRC_ERROR
IO8_NCEO
IO9_CLKUSR
R91
4.99k
0603
24LC024-I /ST
GND
C55
0.1uF
VCCIO
4
C54
0.1uF
U23
C
GND
GND
GND
C53
0.1uF
R95
10k
R92
4.99k
0603
D
13
8
3
C52
0.1uF
R100
10k
1
C51
0.1uF
R99
10k
1
C50
0.1uF
R98
10k
1
C49
0.1uF
R97
10k
2
C48
0.1uF
5
29
45
61
78
102
116
134
17
26
40
47
56
62
81
93
117
122
130
139
35
107
37
109
R96
10k
C47
0.1uF
0603
U24
1
B
VCCINT
VCCINT
GND
VCCINT
GND
VCCINT
GNDA1 VCCINT
GND
VCCINT
GND
VCCINT
GND
VCCINT
GND
VCCIO1
GND
VCCIO2
GND
VCCIO3
GNDA2 VCCIO3
GND
VCCIO4
GND
VCCIO4
GND
VCCIO5
GND
VCCIO6
GND
VCCIO7
VCCIO7
VCCIO8
VCCIO8
VCCA1
VCCA2
VCCD_PLL1
VCCD_PLL2
1
3
5
7
9
HD2X5-100
U22J
2
PWR
19
27
36
41
48
57
63
82
95
108
118
123
131
140
145
EDGE-CON-100
J2
+1.2V
U22A
FPGA
PROGRAM
ARRAY
CYCLONE3-EP3C5E144
EEPROM
CYCLONE3-EP3C5E144
2
CYCLONE3-EP3C5E144
2
CYCLONE3-EP3C5E144
55
57
59
61
63
65
67
69
71
73
75
77
79
81
83
85
87
89
91
93
95
97
99
D11
D10
R55
0
SDI+/SDO1
CYCLONE3-EP3C5E144
56
58
60
62
64
66
68
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100
D13
D12
VCCIO
CYCLONE3-EP3C5E144
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
D15
D14
R51
OPT
SCKI+/SDO3
JP3
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
D17
D16
DATE:
IC NO.
LTC2345IUK FAMILY
DEMO CIRCUIT 2326A
Monday, October 26, 2015
REV.
1
SHEET 3
1
OF 4
A
3
2
1
VCC C96
0.1uF
3
AIN3
4
AIN4
5
AIN5
6
AIN6
7
AIN7
8
AIN2
R109
OPT
AIN3
J6
BNC
3
2
1
VIN2
0V - 5V MAX
JP14
COUPLING
AC DC
+
1
AIN6
R111
49.9 0603
AIN1
AIN7
JP6
HD1X2-100
R117
OPT
VCM
5
C101
39pF
0805
6
VCM
R118
OPT
VCM
U26B
LT6237IDD
7
-
C113
39pF
0805
AIN1+
C105
0.1uF
8
4
C128
39pF
0805
6
R145
0
LT6237IDD
+
1
-
EP
R126
49.9
VCM
AIN1-
R130
1k
6
1
3
5
7
3
C29
10uF
4
HD2X4-100
R178
2.05k
+
VCM
1
-
R136
0
EN
C159
0.1uF
VCM
2
JP8
HD1X2-100
1. ALL RESISTORS AND CAPACITORS ON THIS PAGE ARE 0402.
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.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
TECHNOLOGY
KIM T.
GUY H.
TITLE: SCHEMATIC
8-CHANNEL, SOFTSPAN, HIGH SPEED, SERIAL, SAR, ADC
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
B
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DATE:
IC NO.
LTC2345IUK FAMILY
DEMO CIRCUIT 2326A
Monday, October 26, 2015
8
6
VCM
AIN2-
LT6237IDD
7
-
C130
0.1uF
C126
OPT
LT6237IDD
1
-
EP
R121
49.9
C110
1000pF
JP12
HD1X2-100
1
R132
49.9
VCM
AIN3-
R131
1k
C145
39pF
0805
C124
1000pF
C125 OPT
1
8
5
6
R161
0
R162
499 0603
U31B
LT6237IDD
+
7
-
AIN6+
C154
0.1uF
C150
OPT
LT6237IDD
+
1
-
EP
B
R173
49.9
AIN6-
R172
1k
U32B
LT6237IDD
+
7
-
C148
1000pF
R159
49.9
AIN7+
C146
0.1uF
C142
OPT
VEE
A
U32A
R174
1k
3
2
LT6237IDD
+
-
C147
1000pF
EP
1
EP
R164
49.9
AIN7-
R163
1k
C157 OPT
2
C155
1000pF
EP
OF 4
3
R167
49.9
VCC C143
0.1uF
C144
39pF
0805
C106
OPT
EP
AIN5C140
1000pF
C149 OPT
R171
OPT
R160
49.9 0603
AIN7
C109
0.1uF
LT6237IDD
-
C
R148
49.9
R147
1k
U31A
2
R169
OPT
AIN3+
U28A
2
AIN5+
VEE
3
C153
39pF
0805
EP
+
C131
1000pF
EP
+
R165
1k
R170
499 0603
C111
1000pF
VEE
3
C114
39pF
0805
R168
0
R141
49.9
R140
1k
U28B
+
R142
1k
REV.
SHEET 4
4
C108
39pF
0805
R127
0
VCM
EP
6
C115
OPT
1
-
5
C152
39pF
0805
VCC C107
0.1uF
5
R128
499 0603
JP11
HD1X2-100
C122
0.1uF
+
R166
49.9 0603
AIN6
AIN2+
LT6237IDD
4
NOTES: UNLESS OTHERWISE SPECIFIED
C123
1000pF
C118 OPT
R139
OPT
R122
49.9 0603
AIN3
7
R135
49.9
EP
U27A
2
R137
OPT
CUSTOMER NOTICE
7
-
R143
49.9
C141 OPT
VEE
3
C121
39pF
0805
VEE
LT6237IDD
-
R133
1k
R138
499 0603
R176
0
A
LT6237IDD
4
8
6
AIN4C132
1000pF
VCC C151
0.1uF
U27B
+
D
R157
49.9
R156
1k
U30B
+
8
2
4
6
8
C120
39pF
0805
LT6236IS6
5
R177
453
EXT
2.5V
2.048V
GND
U33
2
B
EP
4
JP7
HD1X2-100
5V
5
4
VCC C158
0.1uF
JP15
R134
49.9 0603
AIN2
9
C160
1uF
R175
2.49k
-
C117 OPT
9
EXTCM
1
U30A
VCC C119
0.1uF
E13
LT6237IDD
VEE
3
C129
39pF
0805
C103
1000pF
C134
OPT
+
R158
1k
R146
499 0603
C138
0.1uF
VCC C127
0.1uF
5
C99
OPT
U26A
2
JP10
HD1X2-100
AIN4+
C133 OPT
R155
OPT
R144
49.9 0603
AIN5
EP
VEE
3
C95
1000pF
C139
1000pF
EP
U29A
2
R153
OPT
R112
49.9
7
-
R151
49.9
VEE
3
C137
39pF
0805
C102
1000pF
LT6237IDD
+
R149
1k
R154
499 0603
AIN0R129
1k
EP
+
R120
1k
R125
499 0603
R123
49.9
VCC C97
0.1uF
AIN4
AIN5
R152
0
C116 OPT
R110
OPT
R114
0
C26
10uF
LT6237IDD
-
6
C98
OPT
AIN1
VIN2 VIN1
C
C104
0.1uF
C136
39pF
0805
U29B
9
AIN2
2
JP9
HD1X2-100
5
9
2
C112
39pF
0805
AIN0
R150
49.9 0603
AIN4
AIN0+
U25A
3
C94
1000pF
EP
VEE
8
AIN1
17
9
18
10
19
11
20
12
21
13
22
14
23
15
24
16
7
-
R108
49.9
8
VCM
+
R119
1k
R124
499 0603
HD3X8-100
1
8
R113
0
J7
AIN0
6
LT6237IDD
4
R116
OPT
C100
39pF
0805
U25B
9
JP5
HD1X2-100
5
9
D
VCM
BNC
JP13
COUPLING
AC DC
R107
49.9 0603
AIN0
4
R115
OPT
4
C25
10uF
3
2
1
VIN1
0V - 5V MAX
J5
VCC C135
0.1uF
9
4
9
5
1
C156
1000pF
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