LTC2865IMSE#PBF是由Analog Devices（原Linear Technology）生产的一款高可靠性RS-485/RS-422收发器芯片，具有以下主要特性：

• 故障保护：总线引脚提供±60V过压故障保护，适合恶劣电气环境

• 工作电压：宽范围3V至5.5V供电电压

• 数据速率：可切换高速(20Mbps)或低噪声(250kbps)工作模式

• 全双工：支持独立的接收和发送通道，实现全双工通信

• 温度范围：工业级工作温度范围-40°C至85°C

• 封装：12引脚MSOP-EP封装，带裸露焊盘以增强散热性能

该器件集成了失效保护功能，当输入开路、短路或终端匹配但无驱动时，接收器输出默认为高电平状态。

典型应用

LTC2865IMSE#PBF专为要求严苛的工业和汽车通信系统设计：

1. 工业自动化：用于工厂自动化系统中PLC、传感器和执行器之间的可靠通信

2. 楼宇自动化：为HVAC控制、照明系统和安防安装提供可靠的RS-485网络

3. 汽车系统：适用于需要±60V故障保护以防止负载突降和其他瞬变的车载网络

4. 医疗设备：在可靠性至关重要的医疗设备中提供隔离通信通道

5. 电信基础设施：用于基站和网络设备中的稳健差分信号传输

相似/替代型号

以下是几款功能相似的替代器件：

1. LTC2865IMSE#TRPBF：相同器件的卷带包装版本，规格完全相同，仅包装方式不同

2. LTC2865HDE#PBF：更高温度版本(-40°C至125°C)，采用DFN封装

3. LTC2862/LTC2863/LTC2864：具有不同失效安全偏置和降低摆率选项的系列变体

4. MAX485：Maxim Integrated的流行RS-485收发器，基本功能相似但故障保护能力较低

5. SN65HVD72：德州仪器的替代方案，速度相当但故障保护特性不同

在选择替代型号时，工程师应仔细比较故障保护等级、数据速率、供电电压范围和温度规格等参数，以确保与应用需求兼容。

1. LTC2862CS8-1#PBF LTC2862CS8-1#TRPBF 28621 8-Lead (150mil) Plastic SO 0°C to 70°CLTC2862IS8-1#PBF 

2. LTC2862IS8-1#TRPBF 28621 8-Lead (150mil) Plastic SO –40°C to 85°CLTC2862HS8-1#PBF 

3. LTC2862HS8-1#TRPBF 28621 8-Lead (150mil) Plastic SO –40°C to 125°CLTC2862CS8-2#PBF 

4. LTC2862CS8-2#TRPBF 28622 8-Lead (150mil) Plastic SO 0°C to 70°CLTC2862IS8-2#PBF 

5. LTC2862IS8-2#TRPBF 28622 8-Lead (150mil) Plastic SO –40°C to 85°CLTC2862HS8-2#PBF 

6. LTC2862HS8-2#TRPBF 28622 8-Lead (150mil) Plastic SO –40°C to 125°CLTC2862CDD-1#PBF

7.  LTC2862CDD-1#TRPBF LFXK 8-Lead (3mm × 3mm) Plastic DFN 0°C to 70°CLTC2862IDD-1#PBF

8.  LTC2862IDD-1#TRPBF LFXK 8-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C

9. LTC2862HDD-1#PBF LTC2862HDD-1#TRPBF LFXK 8-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C

10. LTC2862CDD-2#PBF LTC2862CDD-2#TRPBF LFXM 8-Lead (3mm × 3mm) Plastic DFN 0°C to 70°C

11. LTC2862IDD-2#PBF LTC2862IDD-2#TRPBF LFXM 8-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C

12. LTC2862HDD-2#PBF LTC2862HDD-2#TRPBF LFXM 8-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C

13. LTC2863CS8-1#PBF LTC2863CS8-1#TRPBF 28631 8-Lead (150mil) Plastic SO 0°C to 70°CLTC2863IS8-1#PBF

14.  LTC2863IS8-1#TRPBF 28631 8-Lead (150mil) Plastic SO –40°C to 85°CLTC2863HS8-1#PBF

15.  LTC2863HS8-1#TRPBF 28631 8-Lead (150mil) Plastic SO –40°C to 125°CLTC2863CS8-2#PBF

16.  LTC2863CS8-2#TRPBF 28632 8-Lead (150mil) Plastic SO 0°C to 70°CLTC2863IS8-2#PBF

17.  LTC2863IS8-2#TRPBF 28632 8-Lead (150mil) Plastic SO –40°C to 85°CLTC2863HS8-2#PBF

18.  LTC2863HS8-2#TRPBF 28632 8-Lead (150mil) Plastic SO –40°C to 125°CLTC2863CDD-1#PBF 

19. LTC2863CDD-1#TRPBF LFXN 8-Lead (3mm × 3mm) Plastic DFN 0°C to 70°CLTC2863IDD-1#PBF 

20. LTC2863IDD-1#TRPBF LFXN 8-Lead (3mm × 3mm) Plastic DFN –40°C to 85°CLTC2863HDD-1#PBF 

21. LTC2863HDD-1#TRPBF LFXN 8-Lead (3mm × 3mm) Plastic DFN –40°C to 125°CLTC2863CDD-2#PBF

22.  LTC2863CDD-2#TRPBF LFXP 8-Lead (3mm × 3mm) Plastic DFN 0°C to 70°CLTC2863IDD-2#PBF

23.  LTC2863IDD-2#TRPBF LFXP 8-Lead (3mm × 3mm) Plastic DFN –40°C to 85°CLTC2863HDD-2#PBF

24.  LTC2863HDD-2#TRPBF LFXP 8-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C

25. LTC2864CS-1#PBF LTC2864CS-1#TRPBF LTC2864S-1 14-Lead (150mil) Plastic SO 0°C to 70°C

26. LTC2864IS-1#PBF LTC2864IS-1#TRPBF LTC2864S-1 14-Lead (150mil) Plastic SO –40°C to 85°C

27. LTC2864HS-1#PBF LTC2864HS-1#TRPBF LTC2864S-1 14-Lead (150mil) Plastic SO –40°C to 125°C

28. LTC2864CS-2#PBF LTC2864CS-2#TRPBF LTC2864S-2 14-Lead (150mil) Plastic SO 0°C to 70°C

29. LTC2864IS-2#PBF LTC2864IS-2#TRPBF LTC2864S-2 14-Lead (150mil) Plastic SO –40°C to 85°C

30. LTC2864HS-2#PBF LTC2864HS-2#TRPBF LTC2864S-2 14-Lead (150mil) Plastic SO –40°C to 125°C

31. LTC2864CDD-1#PBF LTC2864CDD-1#TRPBF LFXQ 10-Lead (3mm × 3mm) Plastic DFN 0°C to 70°C

32. LTC2864IDD-1#PBF LTC2864IDD-1#TRPBF LFXQ 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C

33. LTC2864HDD-1#PBF LTC2864HDD-1#TRPBF LFXQ 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C

34. LTC2864CDD-2#PBF LTC2864CDD-2#TRPBF LFXR 10-Lead (3mm × 3mm) Plastic DFN 0°C to 70°C

35. LTC2864IDD-2#PBF LTC2864IDD-2#TRPBF LFXR 10-Lead (3mm × 3mm) Plastic DFN –40°C to 85°C

36. LTC2864HDD-2#PBF LTC2864HDD-2#TRPBF LFXR 10-Lead (3mm × 3mm) Plastic DFN –40°C to 125°C

37. LTC2865CMSE#PBF LTC2865CMSE#TRPBF 2865 12-Lead Plastic MSOP 0°C to 70°CLTC2865IMSE#PBF 

38. LTC2865IMSE#TRPBF 2865 12-Lead Plastic MSOP –40°C to 85°CLTC2865HMSE#PBF 

39. LTC2865HMSE#TRPBF 2865 12-Lead Plastic MSOP –40°C to 125°CLTC2865CDE#PBF 

40. LTC2865CDE#TRPBF 2865 12-Lead (4mm × 3mm) Plastic DFN 0°C to 70°CLTC2865IDE#PBF 

41. LTC2865IDE#TRPBF 2865 12-Lead (4mm × 3mm) Plastic DFN –40°C to 85°CLTC2865HDE#PBF

42.  LTC2865HDE#TRPBF 2865 12-Lead (4mm × 3mm) Plastic DFN –40°C to 125°CLTC2862MPS8-1#PBF

43.  LTC2862MPS8-1#TRPBF 28621 8-Lead (150mm) Plastic SO –55°C to 125°CLTC2862MPS8-2#PBF

44.  LTC2862MPS8-2#TRPBF 28622 8-Lead (150mm) Plastic SO –55°C to 125°CLTC2863MPS8-1#PBF

45.  LTC2863MPS8-1#TRPBF 28631 8-Lead (150mm) Plastic SO –55°C to 125°CLTC2863MPS8-2#PBF 

46. LTC2863MPS8-2#TRPBF 28632 8-Lead (150mm) Plastic SO –55°C to 125°CLTC2864MPS-1#PBF 

47. LTC2864MPS-1#TRPBF LTC2864S-1 14-Lead (150mm) Plastic SO –55°C to 125°C

48. LTC2864MPS-2#PBF LTC2864MPS-2#TRPBF LTC2864S-2 14-Lead (150mm) Plastic SO –55°C to 125°C