LTC486
14
486fc
LinearTechnology 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
120
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 Module
Transceiver + Power
±2500VRMS Isolation, 3.3V or 5V Supply, No External Components, 1W DC/DC Converter,
Switchable Termination, 20Mbps, 30kV/s Common Mode, ±15kV ESD, 15mm × 11.25mm
LGA or BGA Package
LTC1535
Isolated RS485 Transceiver
5V Supply, 250kbps, ±8kV ESD, SO(W)-28