LTC2851 LINER [Linear Technology], LTC2851 Datasheet - Page 18

• Manufacturer Part Number: LTC2851
• Description: 20Mbps RS485 Transceivers
• Manufacturer: LINER [Linear Technology]

LTC2859/LTC2861
Typical applicaTion
relaTeD parTs
PART NUMBER
LTC2854/LTC2855
LTC2856/LTC2857/
LTC2858
LTC2850/LTC2851/
LTC2852
LTC2862/LTC2863/
LTC2864/LTC2865
LTM2881
LTC485
LTC491
LTC1480
LTC1483
LTC1485
LTC1487
LTC1520
LTC1535
LTC1685
LT1785
18
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
3.3V 20Mbps RS485/RS422 Transceivers with Integrated
Switchable Termination
5V 20Mbps and Slew Rate Limited 15kV RS485/RS422
Transceivers
3.3V 20Mbps RS485/RS422 Transceivers
±60V Fault Protected 3V to 5.5V RS485/RS422 Transceivers
Complete 3.3V Isolated RS485/RS422 µModule
+ Power
Low Power RS485 Interface Transceiver
Differential Driver and Receiver Pair
3.3V Ultralow Power RS485 Transceiver
Ultralow Power RS485 Low EMI Transceiver
Differential Bus Transceiver
Ultralow Power RS485 with Low EMI, Shutdown and High
Input Impedance
50Mbps Precision Quad Line Receiver
Isolated RS485 Full-Duplex Transceiver
52Mbps RS485 Transceiver with Precision Delay
±60V Fault Protected RS485 Transceiver
●
FAX: [phone]
RO
DI
Failsafe “0” Application (Idle State = Logic “0”)
●
www.linear.com
I2
I1
V
CC
100kΩ
®
Transceiver
D
R
COMMENTS
Up to ±25kV HBM ESD, 125°C Operation
±15kV ESD, 125°C Operation
±15kV ESD, 125°C Operation
20Mbps or 250kbps, ±15kV HBM ESD, ±25V Common Mode
Range
2500V
Switchable Termination
I
I
3.3V Operation
Controlled Driver Slew Rate
10Mbaud Operation
Up to 256 Transceivers on the Bus
Channel-to-Channel Skew 400ps (Typ)
2500V
Propagation Delay Skew 500ps (Typ)
60V Tolerant, 15kV ESD
CC
CC
120Ω
LTC2859
= 300µA (Typ)
= 300µA
2859/61 TA03
RMS
RMS
Isolation in Surface Mount Package
Isolation with Integrated Isolated DC/DC Converter and
B
A
"A"
"B"
 LINEAR TECHNOLOGY CORPORATION 2006
LT 0312 REV C • PRINTED IN USA
285961fc