OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

LTC2846IG#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
22
LTC2846
sn2846 2846fs
Figure 34. Controller-Selectable Multiprotocol DTE/DCE Port with RL, LL, TM and DB-25 Connector
TYPICAL APPLICATIO S
U
D2
D1
LTC2845
DTE_RTS/DCE_CTS
DTE_DTR/DCE_DSR
DTE_DSR/DCE_DTR
DTE_DCD/DCE_DCD
DTE_CTS/DCE_RTS
D3
R2
R1
R4
R3
LTC2846
DTE_LL/DCE_RI
DTE_RI/DCE_LL
DTE_TM/DCE_RL
DTE_RL/DCE_TM
DTE_TXD/DCE_RXD
DTE_SCTE/DCE_RXC
DTE_TXC/DCE_TXC
DTE_RXC/DCE_SCTE
DTE_RXD/DCE_TXD
M0
M1
M2
DCE/DTE
V
CC
V
DD
V
EE
GND
2846 F34
C2
1µF
R1
13k
C1
1µF
C6
10µF
C3
1µF
C4
3.3µF
D4
V
CC
5V
SHDN
V
IN
3.3V
CHARGE
PUMP
BOOST
SWITCHING
REGULATOR
L1
5.6µH
+
33
7
35
4
36
D1
MBR0520
3
5
6
8
9
10
11
12
13
14
15
16
18
19
1, 19
2
3
4
5
6
7
8
10
9
D5
18
DCE/DTE
V
IN
D4ENB
R4EN
20
15
16
NC
V
IN
3.3V
23
R5
17 22
21
25
24
26
27
28
29
30
31
32
33
32
31
30
29
28
27
26
25
24
23
22
21
20
34
35
36
C5
10µF
C9
1µF
C7
1µF
V
CC
5V
C8
1µF
M0
M1
M2
DCE/DTE
M0
M1
M2
11
12
13
14
D1
D2
D3
R1
R2
R3
T
T
T
T
T
C10
1µF
R2
4.3k
V
CC
5V
18
*
*OPTIONAL
21
25
LL
LL
RL
RLTM
TM
RI
RI
2
14
24
11
15
12
17
9
3
1
4
19
20
8
23
10
6
22
5
13
7
16
TXD A
TXD B
SCTE A
SCTE B
RXD A
RXD B
RXC A
RXC B
RXC A
RXC B
RXD A
RXD B
RTS A
RTS B
DTR A
DTR B
CTS A
CTS B
DSR A
DSR B
CTS A
CTS B
SG
SHIELD
DB-25
CONNECTOR
TXC A
TXC B
SCTE A
SCTE B
TXD A
TXD B
TXC A
TXC B
DCD A
DCD B
DSR A
DSR B
RTS A
RTS B
DCD A
DCD B
DTR A
DTR B
DTE DCE
17
V
IN
3.3V
23
LTC2846
sn2846 2846fs
Figure 35. Cable-Selectable Multiprotocol DTE/DCE Port with DB-25 Connector
TYPICAL APPLICATIO S
U
D2
D1
LTC2844
DTE_RTS/DCE_CTS
DTE_DTR/DCE_DSR
DTE_DSR/DCE_DTR
DTE_DCD/DCE_DCD
DTE_CTS/DCE_RTS
D3
R2
R1
R4
R3
LTC2846
DTE_TXD/DCE_RXD
DTE_SCTE/DCE_RXC
DTE_TXC/DCE_TXC
DTE_RXC/DCE_SCTE
DTE_RXD/DCE_TXD
M0
M1
M2
DCE/DTE
V
CC
V
DD
V
CC
V
EE
GND
2846 F35
C2
1µF
R1
13k
C1
1µF
C6
10µF
C3
1µF
C4
3.3µF
D4
V
CC
5V
SHDN
V
IN
3.3V
CHARGE
PUMP
BOOST
SWITCHING
REGULATOR
L1
5.6µH
+
33
7
35
4
36
D1
MBR0520
3
5
6
8
9
10
11
12
13
14
15
16
18
19
NC
1
2
3
4
5
6
7
8
10
9
NC
V
IN
15
V
IN
3.3V
16
17
18
19
20
21
22
23
24
25
32
31
30
29
28
27
26
25
24
23
22
21
20
26
27
28
C5
10µF
C9
1µF
C7
1µF
C8
1µF
M0
M1
M2
DCE/DTE
11
12
13
14
D1
D2
D3
R1
R2
R3
T
T
T
T
T
C10
1µF
R2
4.3k
V
CC
5V
2
14
24
11
15
12
17
9
3
1
25
21
18
4
19
20
8
23
10
6
22
5
13
7
16
RXD A
RXD B
RXC A
RXC B
RXC A
RXC B
RXD A
RXD B
RTS A
RTS B
DTR A
DTR B
CTS A
CTS B
DSR A
DSR B
CTS A
CTS B
SG
SHIELD
DCE/DTE
M1
M0
DB-25
CONNECTOR
TXC A
TXC B
SCTE A
SCTE B
TXD A
TXD B
TXC A
TXC B
DCD A
DCD B
DSR A
DSR B
RTS A
RTS B
DCD A
DCD B
DTR A
DTR B
DTE
DCE
MODE
V.35
RS449, V.36
RS232
PIN 18
PIN 7
NC
PIN 7
PIN 21
PIN 7
PIN 7
NC
CABLE WIRING FOR MODE SELECTION
MODE PIN 25
DTE PIN 7
DCE NC
CABLE WIRING FOR
DTE/DCE SELECTION
TXD A
TXD B
SCTE A
SCTE B
17
V
IN
3.3V
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 represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
24
LTC2846
sn2846 2846fs
LT/TP 0503 1K • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2002
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC1321 Dual RS232/RS485 Transceiver Two RS232 Driver/Receiver Pairs or Two RS485 Driver/Receiver Pairs
LTC1334 Single 5V RS232/RS485 Multiprotocol Transceiver Two RS232 Driver/Receiver or Four RS232 Driver/Receiver Pairs
LTC1343 Software-Selectable Multiprotocol Transceiver 4-Driver/4-Receiver for Data and Clock Signals
LTC1344A Software-Selectable Cable Terminator Perfect for Terminating the LTC1543 (Not Needed with LTC1546)
LTC1345 Single Supply V.35 Transceiver 3-Driver/3-Receiver for Data and Clock Signals
LTC1346A Dual Supply V.35 Transceiver 3-Driver/3-Receiver for Data and Clock Signals
LTC1543 Software-Selectable Multiprotocol Transceiver Terminated with LTC1344A for Data and Clock Signals, Companion to
LTC1544 or LTC1545 for Control Signals
LTC1544 Software-Selectable Multiprotocol Transceiver Companion to LTC1546 or LTC1543 for Control Signals Including LL
LTC1545 Software-Selectable Multiprotocol Transceiver 5-Driver/5-Receiver Companion to LTC1546 or LTC1543
for Control Signals Including LL, TM and RL
LTC1546 Software-Selectable Multiprotocol Transceiver 3-Driver/3-Receiver with Termination for Data and Clock Signals
LTC2844 3.3V Software-Selectable Multiprotocol Transceiver Companion to LTC2846 for Control Signals Including LL
LTC2845 3.3V Software-Selectable Multiprotocol Transceiver 5-Driver/5-Receiver Companion to LTC2846 for Control Signals
Including LL, TM and RL
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
U
PACKAGE DESCRIPTIO
G36 SSOP 0802
0.09 – 0.25
(.0035 – .010)
0
° – 8°
0.55 – 0.95
(.022 – .037)
5.00 – 5.60**
(.197 – .221)
7.40 – 8.20
(.291 – .323)
1234
5
6
7
8 9 10 11 12 14 15 16 17 1813
12.50 – 13.10*
(.492 – .516)
2526 22 21 20 19232427282930313233343536
2.0
(.079)
0.05
(.002)
0.65
(.0256)
BSC
0.22 – 0.38
(.009 – .015)
MILLIMETERS
(INCHES)
DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED .152mm (.006") PER SIDE
DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED .254mm (.010") PER SIDE
*
**
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
0.42 ±0.03 0.65 BSC
5.3 – 5.7
7.8 – 8.2
RECOMMENDED SOLDER PAD LAYOUT
1.25 ±0.12
G Package
36-Lead Plastic SSOP (5.3mm)
(Reference LTC DWG # 05-08-1640)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

LTC2846IG#TRPBF

Mfr. #:
Buy LTC2846IG#TRPBF
Manufacturer:
Analog Devices Inc.
Description:
RS-232 Interface IC 3.3V Multiprotocol CLK_DATA Xcvr
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet