Analog Devices DC2685A, Демонстрационное руководство

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19
UG-1339 Rev 0
DEMO MANUAL DC2685A
DC2684A DAUGHTER CARD SCHEMATIC
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
CAP 1
GP1 GP0
AD1
AD0
VDD
VEE
VEE
VEE
VDD
VDD
VDD
VDD
VDD
VDD
RD-
RD+
TD-
TD+
AD2 AD3 SDAOUT SDAIN SCL INT# RESET# MSD#
SIZE DATE
:
IC
NO.
REV.
SH
EE
T
OF
TITLE:
APPRO
VAL
S
PCB DES.
APP ENG.
CUSTOMER NOTICE
ADI HAS MADE A BEST EFFORT TO
DESIGN
A
CIRCUIT
THAT
MEETS
CUSTOMER-
SUPPLIED SPECIFICATIONS;
HO
W
EV
ER
, I
T R
EM
AI
NS
T
HE
C
US
TOMER'S RESPONSIBILITY TO
VE
RI
FY
P
RO
PE
R
AN
D R
EL
IA
BL
E O
PE
RA
TI
ON
IN
T
HE
A
CT
UA
L
AP
PL
IC
AT
IO
N.
C
OM
PO
NE
NT
S
UB
ST
IT
UT
IO
N A
ND
P
RI
NT
ED
CIRCUIT
BO
ARD L
AYO
UT
MAY SIG
NIF
ICANT
LY
AF
FE
CT
CIRCUIT
PERF
ORMANCE
OR
REL
IABIL
IT
Y. CO
NT
ACT
ADI APPL
ICAT
IO
NS
ENG
INEERING
F
OR
ASSIST
ANCE.
THIS CIRCUIT IS PROP
RIETARY TO ADI AND
SCHEMATIC
SUPPLIED
FOR
USE
WITH
ADI
PARTS.
SCALE = NONE
www.l
in
ear.
co
m
www.analog.co
m
TEL:
(408) 432-1900
MILPITAS, CA
95035
1630 McCARTHY BLVD.
2
22
IEEE 802.3bt 8-CHANNEL PSE DAUGHTER CARD
KIM T.
DILIAN R.
N/A
LTC4291IUF - LTC4292IUJ
DEMO CIRCUIT 2684A
Tuesday, March 06, 2018
SIZE DATE
:
IC
NO.
REV.
SH
EE
T
OF
TITLE:
APPRO
VAL
S
PCB DES.
APP ENG.
CUSTOMER NOTICE
ADI HAS MADE A BEST EFFORT TO
DESIGN
A
CIRCUIT
THAT
MEETS
CUSTOMER-
SUPPLIED SPECIFICATIONS;
HO
W
EV
ER
, I
T R
EM
AI
NS
T
HE
C
US
TOMER'S RESPONSIBILITY TO
VE
RI
FY
P
RO
PE
R
AN
D R
EL
IA
BL
E O
PE
RA
TI
ON
IN
T
HE
A
CT
UA
L
AP
PL
IC
AT
IO
N.
C
OM
PO
NE
NT
S
UB
ST
IT
UT
IO
N A
ND
P
RI
NT
ED
CIRCUIT
BO
ARD L
AYO
UT
MAY SIG
NIF
ICANT
LY
AF
FE
CT
CIRCUIT
PERF
ORMANCE
OR
REL
IABIL
IT
Y. CO
NT
ACT
ADI APPL
ICAT
IO
NS
ENG
INEERING
F
OR
ASSIST
ANCE.
THIS CIRCUIT IS PROP
RIETARY TO ADI AND
SCHEMATIC
SUPPLIED
FOR
USE
WITH
ADI
PARTS.
SCALE = NONE
www.l
in
ear.
co
m
www.analog.co
m
TEL:
(408) 432-1900
MILPITAS, CA
95035
1630 McCARTHY BLVD.
2
22
IEEE 802.3bt 8-CHANNEL PSE DAUGHTER CARD
KIM T.
DILIAN R.
N/A
LTC4291IUF - LTC4292IUJ
DEMO CIRCUIT 2684A
Tuesday, March 06, 2018
SIZE DATE
:
IC
NO.
REV.
SH
EE
T
OF
TITLE:
APPRO
VAL
S
PCB DES.
APP ENG.
CUSTOMER NOTICE
ADI HAS MADE A BEST EFFORT TO
DESIGN
A
CIRCUIT
THAT
MEETS
CUSTOMER-
SUPPLIED SPECIFICATIONS;
HO
W
EV
ER
, I
T R
EM
AI
NS
T
HE
C
US
TOMER'S RESPONSIBILITY TO
VE
RI
FY
P
RO
PE
R
AN
D R
EL
IA
BL
E O
PE
RA
TI
ON
IN
T
HE
A
CT
UA
L
AP
PL
IC
AT
IO
N.
C
OM
PO
NE
NT
S
UB
ST
IT
UT
IO
N A
ND
P
RI
NT
ED
CIRCUIT
BO
ARD L
AYO
UT
MAY SIG
NIF
ICANT
LY
AF
FE
CT
CIRCUIT
PERF
ORMANCE
OR
REL
IABIL
IT
Y. CO
NT
ACT
ADI APPL
ICAT
IO
NS
ENG
INEERING
F
OR
ASSIST
ANCE.
THIS CIRCUIT IS PROP
RIETARY TO ADI AND
SCHEMATIC
SUPPLIED
FOR
USE
WITH
ADI
PARTS.
SCALE = NONE
www.l
in
ear.
co
m
www.analog.co
m
TEL:
(408) 432-1900
MILPITAS, CA
95035
1630 McCARTHY BLVD.
2
22
IEEE 802.3bt 8-CHANNEL PSE DAUGHTER CARD
KIM T.
DILIAN R.
N/A
LTC4291IUF - LTC4292IUJ
DEMO CIRCUIT 2684A
Tuesday, March 06, 2018
R14 100
JP2
4PV#
HI LO
HD1X3-079
1 3 2
R11 0
R29 560
T1 WURTH, 7490100143
1 TD+
2 CTD
3 TD-
4
NC
5
NC
6 RD+
7 CRD
8 RD- 9 RX-
10 CRX
11 RX+
12
NC
13
NC
14 TX-
15 CTX
16 TX+
R28 560
J2-3O PT
J2-2O PT
C23 1uF
C22 1uF
C21 0.1uF
J2-6
OPT
R22 100
JP1
AUTO HI LO
HD1X3-079
OPT
1 3 2
J2-5
OPT
R24
100
D2 GREEN GP1
2 1
J2-1O PT
J2-4OPT
D3 GREEN GP0
2 1
R23 100
R21 100
R15 100
R10 0
U2 LTC4291
AD0
1
AD1
2
AD2
3
AD3
4
SCL
18
SDAIN
17
SDAOUT
16
INT
15
VDD
20
AUTO
21
4PVALID
6
RESET
14
MSD
24
DGND
5
NC
7
CND
9
DPD
10
CPD
8
DND
11
VDD
12
DGND(EP)
25
CAP 1
19
DNC
13
GP1
22
GP0
23
C20 1uF
R16 100
C24 2200pF
1808
2KV
R13 100
R9 0