DC1079A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
CAPACITOR ISOLATION
2
ENABLE_A
R3
R4
1K
[3]
[3]
10K
1
DIS
D1
GRN
U1
[3]
1
SCL_A
READY_A
E3
2
E5
3
E22
4
0.1uF
C4
100pF
0.1uF
RXP
SCL
VCC
TXP
GND
E19
TXN
8
10
9
8
100V
7
7
6
[3]
R8
[3]
R6
3
2
E1
VCC_B
E8
GND_B
D
EN
ENABLE_B
1K
D2
GRN
U2
[3]
C5
100pF
9
R5
READY_B
100V
10
RXN
ENABLE
RXP
SDA
VCC
SCL
TXP
6
C6
100pF
11
GND_A
C2
SDA
1
READY
TXN
2
E4
3
E6
4
E23
5
GND
E18
SDA_B
SCL_B
READY_B
100V
GND_B
C11
100pF
C
DILIAN R.
DIS
100V
RXN
READY
5
10K
C1
ENABLE
GND
SDA_A
R7
C3
100pF
READY_A
APPROVED
1
E7
JP2
R2
GND
GND_A
JP1
R1
DATE
04/08/10
11
EN
3
E2
D
PRODUCTION
VCC_B
VCC_A
VCC_A
DESCRIPTION
3
A
B
C
100V
VCC_D
VCC_C
E10
EN
GND_C
JP5
2
ENABLE_C
1500 Vrms TRANSFORMER ISOLATION
R9
R10
R11
R12
1K
[3]
[3]
10K
JP6
R15
10K
R13
[3]
R16
R14
[3]
3
E16
3
VCC_C
2
GND_D
ENABLE_D
4
E20
5
RXN
SDA
RXP
SCL
VCC
READY
TXP
GND
TXN
10
1
9
2
8
3
7
4
6
5
6
7
8
C9
0.1uF
TD+
CT
TX+
CT(2)
TD-
TX-
N/C
N/C
N/C
RD+
CT(3)
RD-
N/C
RX+
CT(4)
RX-
16
10
15
9
14
8
13
7
12
6
11
RXN
ENABLE
RXP
SDA
VCC
SCL
TXP
READY
TXN
GND
3
E24
ENABLE
U4
[3]
GND
1
B
2
E12
3
E14
4
E25
5
E21
SDA_D
SCL_D
READY_D
GND_D
11
E13
T1
EPF8119S
GND
2
D4
GRN
0.1uF
11
E11
READY_D
1
1
GND_C
0.1uF
U3
[3]
1
B
C8
C7
D3
GRN
SCL_C
VCC_D
E17
DIS
READY_C
READY_C
E9
1K
DIS
SDA_C
EN
10
9
C10
0.1uF
C
D
NOTES: UNLESS OTHERWISE SPECIFIED,
1. ALL CAPACITOR AND RESISTOR CASE SIZE ARE 0603.
2. INSTALL SHUNTS AS SHOWN.
CUSTOMER NOTICE
A
[3]
ASSY
U1-U4
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.
R2, R3, R5, R8, R10, R11, R13, R16
-A
LTC4310CD-1
10k
-B
LTC4310CD-2
3.3k
TECHNOLOGY
PCB DES. MI
APP ENG. DILIAN R.
4
3
2
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
ISOLATED I2C THROUGH SPLITTER
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
APPROVALS
N/A
SCALE = NONE
DATE:
IC NO.
LTC4310CDD-1/-2
DEMO CIRCUIT 1079A
Monday, August 02, 2010
1
SHEET 1
REV.
1
OF 1
A
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