Datasheet

LTC486
14
486fc
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear.com
LINEAR TECHNOLOGY CORPORATION 1994
LT 1112 REV C • PRINTED IN USA
TYPICAL APPLICATION
RS232 to RS485 Level Translator with Hysteresis
486 TA14
120Ω
DRIVER
Y
Z
R = 220k
10k
RS232 IN
5.6k
HYSTERESIS = 10k ×
|VY - VZ|
————
R
19k
——
R
1/4 LTC486
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
RS485 Quad Drivers
LTC487 Low Power RS485 Quad Drivers 10Mbps, ±4kV ESD, Two DE Pins, SO(W)-16 or DIP-16 Package
LTC1688/LTC1689 High Speed RS485 Quad Drivers 100Mbps, ±4kV ESD, One-Half DE Pins, SO-16 Package
RS485 Quad Receivers
LTC1518/LTC1519 High Speed RS485 Quad Receivers 52Mbps, ±4kV ESD, SO-16 Package
LTC1520 Precision RS485 Quad Receivers 50Mbps, 18ns Propagation Delay, SO-16 Package
LTC488/LTC489 Low Power RS485 Quad Receivers 10Mbps, ±10kV ESD, One-Half DE Pins, SO(W)-16 or DIP-16 Package
Fault Protected 3V to 5.5V RS485 Transceivers
LTC2862 ±60V Fault Protected RS485 Transceiver Half Duplex, 20Mbps or 250kbps, ±25kV Common Mode Range, ±15kV, Enable Pins,
SO-8 or 3mm × 3mm DFN-8 Package
LTC2863 ±60V Fault Protected RS485 Transceiver Full Duplex, 20Mbps or 250kbps, ±25kV Common Mode Range, ±15kV,
SO-8 or 3mm × 3mm DFN-8 Package
LTC2864 ±60V Fault Protected RS485 Transceiver Full Duplex, 20Mbps or 250kbps, ±25kV Common Mode Range, ±15kV, Enable Pins,
SO-14 or 3mm × 3mm DFN-10 Package
LTC2865 ±60V Fault Protected RS485 Transceiver Full Duplex, Selectable 20Mbps or 250kbps, ±25kV Common Mode Range, ±15kV,
Enable Pins, Logic Supply, MSOP-12 or 4mm × 3mm DFN-12
Isolated RS485 Transceivers
LTM2881 Complete Isolated RS485 µModule
®
Transceiver + Power
±2500V
RMS
Isolation, 3.3V or 5V Supply, No External Components, 1W DC/DC Converter,
Switchable Termination, 20Mbps, 30kV/µs Common Mode, ±15kV ESD, 15mm × 11.25mm
LGA or BGA Package
LTC1535 Isolated RS485 Transceiver 5V Supply, 250kbps, ±8kV ESD, SO(W)-28