LTC2862/LTC2863/
LTC2864/LTC2865
26
2862345fc
For more information www.linear.com/LTC2862
LINEAR TECHNOLOGY CORPORATION 2011
LT 0314 REV C • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC2862
relaTeD parTs
Typical applicaTion
PART NUMBER DESCRIPTION COMMENTS
LT1785, LT1791 ±60V Fault Protected RS485/RS422 Transceivers ±60V Tolerant, ±15kV ESD, 250kbps
LTC2850-53 3.3V 20Mbps ±15kV RS485 Transceivers Up to 256 Transceivers Per Bus
LTC2854, LTC2855 3.3V 20Mbps RS485 Transceivers with Integrated Switchable Termination ±25kV ESD (LTC2854), ±15kV ESD (LTC2855)
LTC2856-1 Family 5V 20Mbps and Slew Rate Limited RS485 Transceivers ±15kV ESD
LTC2859, LTC2861 5V 20Mbps RS485 Transceivers with Integrated Switchable Termination ±15kV ESD
LTC1535 Isolated RS485 Transceiver 2500V
RMS
Isolation, Requires External Transceiver
LTM2881 Complete 3.3V Isolated RS485/RS422 μModule
®
Transceiver + Power 2500V
RMS
Isolation with Integrated Isolated DC/DC
Converter, 1W Power, Low EMI, ±15kV ESD, 30kV/µs
Common Mode Transient Immunity
Network for IEC Level 4 Protection Against Surge, EFT and ESD
Plus 360V Overvoltage Protection
2862345 TA05
V
CC
DE
SCRGDT
SCR
A
B
DI
LTC2862-1
GDT: BOURNS 2031-42T-SM; 420V GAS DISCHARGE TUBE
TBU: BOURNS TBU-CA085-300-WH; 850V TRANSIENT BLOCKING UNIT
MOV: BOURNS MOV-7D391K; 390V 25J METAL OXIDE VARISTOR
SCR: BOURNS TISP4P035L1NR-S; 35V BIDIRECTIONAL THYRISTOR
RO
T
R
GND
RE
MOV
MOV
TBU
TBU
GDT
GND
RS485 A
(EXTERNAL)
RS485 B
(EXTERNAL)
