Datasheet LTM2881 (Analog Devices) - 24
| 制造商 | Analog Devices |
| 描述 | Complete Isolated RS485/RS422 μModule Transceiver + Power |
| 页数 / 页 | 24 / 24 — Typical applicaTion. Figure 23. Multi-Node Network with End Termination. … |
| 文件格式/大小 | PDF / 594 Kb |
| 文件语言 | 英语 |
Typical applicaTion. Figure 23. Multi-Node Network with End Termination. and Single Ground Connection on Isolation Bus
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文件文字版本
LTM2881
Typical applicaTion
VCCC VCCA VCC VCC LTM2881 LTM2881 VL PWR PWR V A A L RO ISOLA RO B B RE TION BARRIER RE V TE TE CC1 VCC2 CABLE SHIELD TION BARRIER DE OR GROUND RETURN DE Y Y ISOLA DI DI Z Z GND GND2 GND2 GND A A B Y Z C R PW GND2 ISOLATION BARRIER LTM2881 GND V CC V CCB V L RO RE TE DE DI B 2881 F23 B
Figure 23. Multi-Node Network with End Termination and Single Ground Connection on Isolation Bus relaTeD parTs PART NUMBER DESCRIPTION COMMENTS
LTM2882 Dual Isolated RS232 µModule Transceiver + Power 1Mbps, ±10kV HBM ESD, 2500VRMS LTC1535 Isolated RS485 Transceiver 2500VRMS Isolation in Surface Mount Package LT1785 ±60V Fault-Protected Transceiver Half Duplex LT1791 ±60V Fault-Protected Transceiver Full Duplex LTC2861 20Mbps RS485 Transceivers with Integrated Switchable Termination Full Duplex 15kV ESD LTC2870/LTC2871 RS232/RS485 Multiprotocol Transceivers with Integrated Termination 20Mbps RS485 and 500kbps RS232, ±26kV ESD, 3V to 5V Operation LTC2862/LTC2863/ ±60V Fault Protected 3V to 5.5V RS485/RS422 Transceivers 20Mbps or 250kbps, ±15kV HBM ESD, LTC2864/LTC2865 ±25V Common Mode Range LTM2883 SPI/Digital or I2C Isolated µModule with Adjustable 5V and ±12V Rails 2500VRMS Isolation with Power in BGA Package LTM2892 SPI/Digital or I2C Isolated µModule 3500VRMS Isolation, 6 Channels 2881fi 24 Linear Technology Corporation LT 1116 REV J • PRINTED IN USA 1630 McCarthy Blvd., Milpitas, CA 95Fo 0 r3 m 5- o7re 4 in 17f ormation www.linear.com/LTM2881 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTM2881 LINEAR TECHNOLOGY CORPORATION 2009 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Switching Characteristics Isolation Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Functional Table Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
Typical applicaTion
VCCC VCCA VCC VCC LTM2881 LTM2881 VL PWR PWR V A A L RO ISOLA RO B B RE TION BARRIER RE V TE TE CC1 VCC2 CABLE SHIELD TION BARRIER DE OR GROUND RETURN DE Y Y ISOLA DI DI Z Z GND GND2 GND2 GND A A B Y Z C R PW GND2 ISOLATION BARRIER LTM2881 GND V CC V CCB V L RO RE TE DE DI B 2881 F23 B
Figure 23. Multi-Node Network with End Termination and Single Ground Connection on Isolation Bus relaTeD parTs PART NUMBER DESCRIPTION COMMENTS
LTM2882 Dual Isolated RS232 µModule Transceiver + Power 1Mbps, ±10kV HBM ESD, 2500VRMS LTC1535 Isolated RS485 Transceiver 2500VRMS Isolation in Surface Mount Package LT1785 ±60V Fault-Protected Transceiver Half Duplex LT1791 ±60V Fault-Protected Transceiver Full Duplex LTC2861 20Mbps RS485 Transceivers with Integrated Switchable Termination Full Duplex 15kV ESD LTC2870/LTC2871 RS232/RS485 Multiprotocol Transceivers with Integrated Termination 20Mbps RS485 and 500kbps RS232, ±26kV ESD, 3V to 5V Operation LTC2862/LTC2863/ ±60V Fault Protected 3V to 5.5V RS485/RS422 Transceivers 20Mbps or 250kbps, ±15kV HBM ESD, LTC2864/LTC2865 ±25V Common Mode Range LTM2883 SPI/Digital or I2C Isolated µModule with Adjustable 5V and ±12V Rails 2500VRMS Isolation with Power in BGA Package LTM2892 SPI/Digital or I2C Isolated µModule 3500VRMS Isolation, 6 Channels 2881fi 24 Linear Technology Corporation LT 1116 REV J • PRINTED IN USA 1630 McCarthy Blvd., Milpitas, CA 95Fo 0 r3 m 5- o7re 4 in 17f ormation www.linear.com/LTM2881 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTM2881 LINEAR TECHNOLOGY CORPORATION 2009 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Switching Characteristics Isolation Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Functional Table Applications Information Typical Applications Package Description Revision History Typical Application Related Parts