5
dc1554af
DEMO MANUAL DC1554A
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
SCHEMATIC DIAGRAM
1
1
2
2
A A
B B
ON
OFF
ONOFF
OFF ON
VCC2 LED
VCC LED
VCC2 ON
VCC ON
16V
+5VOUT
LOGIC SUPPLY
VL
VCC
1.62V - 5.5V
- B
LTM2882CV-3
LTM2882CV-5
*
3.0V - 3.6V
4.5V - 5.5V
*
16V
LOW
HI
LOW
HI
HI
LOW
HILOW
HILOW
LOOP
RTS/CTS
LOOP
TD/RD
ON
ISOLATION BOUNDARY
OFF
CONN -D9F
DTR
CTS
TD
RTS
RD
DSR
DCD
EXTEXT
DOUT
SG
R
- A
T
TT
T
BOARD ASSEMBLY
U1
ASSY
VCC
MODULE
+
+
SIZE
SCALE:
CAGE CODE
DWG NO
REV
SHEET
OF
FILENAME:
TITLE
CONTRACT NO.
APPROVALS
DATE
DRAWN
CHECKED
APPROVED
ENGINEER
DESIGNER
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
7+,6&,5&8,7,635235,(7$5<72/,1($57(&+12/2*<$1'
6833/,(')2586(:,7+/,1($57(&+12/2*<3$576
/,1($57(&+12/2*<+$60$'($%(67())25772'(6,*1$
&,5&8,77+$70((76&86720(56833/,('63(&,),&$7,216
+2:(9(5,75(0$,167+(&86720(565(63216,%,/,7<72
9(5,)<3523(5$1'5(/,$%/(23(5$7,21,17+($&78$/
$33/,&$7,21&20321(1768%67,787,21$1'35,17('
&,5&8,7%2$5'/$<2870$<6,*1,),&$17/<$))(&7&,5&8,7
3(5)250$1&(255(/,$%,/,7<&217$&7/,1($5
7(&+12/2*<$33/,&$7,216(1*,1((5,1*)25$66,67$1&(
&86720(5127,&(
2
DC1554A-A/B, LTM2882CV-3 / -5,
Wednesday, April 07, 2010
1
1
HELEN
8/5/09
Keith B.
8/5/09
TRANSCEIVER WITH INTEGRATED DC-DC CONVERTER
DUAL ISOLATED RS232
SIZE
SCALE:
CAGE CODE
DWG NO
REV
SHEET
OF
FILENAME:
TITLE
CONTRACT NO.
APPROVALS
DATE
DRAWN
CHECKED
APPROVED
ENGINEER
DESIGNER
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
7+,6&,5&8,7,635235,(7$5<72/,1($57(&+12/2*<$1'
6833/,(')2586(:,7+/,1($57(&+12/2*<3$576
/,1($57(&+12/2*<+$60$'($%(67())25772'(6,*1$
&,5&8,77+$70((76&86720(56833/,('63(&,),&$7,216
+2:(9(5,75(0$,167+(&86720(565(63216,%,/,7<72
9(5,)<3523(5$1'5(/,$%/(23(5$7,21,17+($&78$/
$33/,&$7,21&20321(1768%67,787,21$1'35,17('
&,5&8,7%2$5'/$<2870$<6,*1,),&$17/<$))(&7&,5&8,7
3(5)250$1&(255(/,$%,/,7<&217$&7/,1($5
7(&+12/2*<$33/,&$7,216(1*,1((5,1*)25$66,67$1&(
&86720(5127,&(
2
DC1554A-A/B, LTM2882CV-3 / -5,
Wednesday, April 07, 2010
1
1
HELEN
8/5/09
Keith B.
8/5/09
TRANSCEIVER WITH INTEGRATED DC-DC CONVERTER
DUAL ISOLATED RS232
SIZE
SCALE:
CAGE CODE
DWG NO
REV
SHEET
OF
FILENAME:
TITLE
CONTRACT NO.
APPROVALS
DATE
DRAWN
CHECKED
APPROVED
ENGINEER
DESIGNER
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
7+,6&,5&8,7,635235,(7$5<72/,1($57(&+12/2*<$1'
6833/,(')2586(:,7+/,1($57(&+12/2*<3$576
/,1($57(&+12/2*<+$60$'($%(67())25772'(6,*1$
&,5&8,77+$70((76&86720(56833/,('63(&,),&$7,216
+2:(9(5,75(0$,167+(&86720(565(63216,%,/,7<72
9(5,)<3523(5$1'5(/,$%/(23(5$7,21,17+($&78$/
$33/,&$7,21&20321(1768%67,787,21$1'35,17('
&,5&8,7%2$5'/$<2870$<6,*1,),&$17/<$))(&7&,5&8,7
3(5)250$1&(255(/,$%,/,7<&217$&7/,1($5
7(&+12/2*<$33/,&$7,216(1*,1((5,1*)25$66,67$1&(
&86720(5127,&(
2
DC1554A-A/B, LTM2882CV-3 / -5,
Wednesday, April 07, 2010
1
1
HELEN
8/5/09
Keith B.
8/5/09
TRANSCEIVER WITH INTEGRATED DC-DC CONVERTER
DUAL ISOLATED RS232
TP8
DOUT
TP8
DOUT
-3-3
1 2
3
5 6
4
TP5
GND2
TP5
GND2
D1 LEDD1 LED
JP7JP7
1
2
3
R2
3.3K
R2
3.3K
TP7
DE
TP7
DE
R7
10K
R7
10K
JP1JP1
1
2
3
TP15
R2IN
TP15
R2IN
JP3JP3
1
2
3
--
1
6
2
3
8
7
4
9
5
JP4JP4
1 2
3
5 6
4
JP6JP6
1
2
3
TP4
VCC2
TP4
VCC2
TP9
ON
TP9
ON
R1
1.5K
R1
1.5K
JP5JP5
1 2
3
5 6
4
R5
1K
R5
1K
TP2
GND
TP2
GND
R3
10K
R3
10K
TP16
R1OUT
TP16
R1OUT
TP14
T1IN
TP14
T1IN
R6
10K
R6
10K
CIN1
6.8uF
CIN1
6.8uF
TP3
VL
TP3
VL
TP13
T2OUT
TP13
T2OUT
TP12
DIN
TP12
DIN
JP2JP2
1
2
3
D2 LEDD2 LED
CIN2
6.8uF
CIN2
6.8uF
U1U1
VCC
B7
VL
A7
GND
B6
ON
A6
GND
B5
GND
B4
T1IN
A4
GND
B3
DIN
A5
GND
B2
T2IN
A2
GND
B1
R2OUT
A1
GND2
K7
VCC2
L7
GND2
K6
DE
L6
GND2
K5
DOUT
L5
GND2
K4
T1OUT
L4
GND2
K1
R1IN
L3
GND2
K2
T2OUT
L2
GND2
K3
R2IN
L1
VCC
A8
VCC
B8
VCC2
K8
VCC2
L8
R1OUT
A3
TP17
T2IN
TP17
T2IN
TP10
T1OUT
TP10
T1OUT
-3-3
1 2
3
5 6
4
TP1
VCC
TP1
VCC
R4
1K
R4
1K
-3-3
1 2
3
5 6
4
TP11
R1IN
TP11
R1IN
TP18
R2OUT
TP18
R2OUT