LTM2881 查看數據表（PDF） - Linear Technology
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LTM2881 Datasheet PDF : 24 Pages
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LTM2881
Typical Application
VCCA
VCC1
VCC
VL
RO
RE
TE
DE
DI
GND
A
LTM2881
PWR
A
B
Y
Z
GND2
CABLE SHIELD
OR GROUND RETURN
LTM2881
PWR
A
B
Y
Z
GND2
VCCC
VCC
VL
RO
RE
TE
DE
DI
GND
C
VCC2
ISOLATION BARRIER
LTM2881
B
2881 F23
B
Figure 23. Multi-Node Network with End Termination
and Single Ground Connection on Isolation Bus
Related Parts
PART NUMBER
LTM2882
LTC1535
LT1785
LT1791
LTC2861
LTC2870/LTC2871
DESCRIPTION
Dual Isolated RS232 µModule Transceiver + Power
Isolated RS485 Transceiver
±60V Fault-Protected Transceiver
±60V Fault-Protected Transceiver
20Mbps RS485 Transceivers with Integrated Switchable Termination
RS232/RS485 Multiprotocol Transceivers with Integrated Termination
LTC2862/LTC2863/
LTC2864/LTC2865
LTM2883
LTM2892
±60V Fault Protected 3V to 5.5V RS485/RS422 Transceivers
SPI/Digital or I2C Isolated µModule with Adjustable 5V and ±12V Rails
SPI/Digital or I2C Isolated µModule
COMMENTS
1Mbps, ±10kV HBM ESD, 2500VRMS
2500VRMS Isolation in Surface Mount Package
Half Duplex
Full Duplex
Full Duplex 15kV ESD
20Mbps RS485 and 500kbps RS232,
±26kV ESD, 3V to 5V Operation
20Mbps or 250kbps, ±15kV HBM ESD,
±25V Common Mode Range
2500VRMS Isolation with Power in BGA Package
3500VRMS Isolation, 6 Channels
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950Fo3r5m-7o4re1i7nformation www.linear.com/LTM2881
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTM2881
2881fh
LT 0814 REV H • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2009
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