20
LTC2845
sn2845 2845fs
LT/TP 0703 1K • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2002
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
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FAX: (408) 434-0507
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www.linear.com
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 3.3V Supply, 4-Driver/4-Receiver Companion to LTC2846 for Control
Signals Including LL
LTC2846 3.3V Software-Selectable Multiprotocol Transceiver 3.3V Supply, 3-Driver/3-Receiver with Termination for Data and Clock
Signals, Generates the Required 5V and ±8V Supplies for LTC2846 and
Companion Parts
LTC2847 Software-Selectable Multiprotocol Transceiver 3-Driver/3-Receiver with Termination for Data and Clock Signals.
with 3.3V Digital Interface Seperate Supply for Digital Interface Works Down to 3.3V
U
TYPICAL APPLICATIO
D2 D1
LTC2845
RTS
DTRDSR DCDCTS
D3
R2 R1
R3
LLRITMRL
TXDSCTETXC
RXCRXD
21424111512179314192062322513 81018*21 25 7 16
D4D5
R4R5
LTC2846
D1D2D3
R1R2R3
TTTTT
*OPTIONAL
2845 TA01
RTS A (105)
RTS B
DTR A (108)
DTR B
CTS A (106)
SG (102)
SHIELD (101)
DB-25 CONNECTOR
DCD A (107)
DCD B
DSR A (109)
DSR B
LL A (141)
RI A (125)
TM A (142)
RL A (140)
CTS B
SCTE B
SCTE A (113)
TXD B
TXD A (103)
TXC A (114)
TXC B
RXC A (115)
RXC B
RXD A (104)
RXD B
DTE or DCE Multiprotocol Serial Interface with DB-25 Connector
