ISO35 隔离式 3.3V 全双工和半双工 RS-485 收发器

The ISO15 is an isolated half-duplex differential line transceiver while the ISO35 is an isolated full-duplex differential line driver and receiver for TIA/EIA 485/422 applications. The ISO15M and ISO35M have extended ambient temperature ratings of –55°C to 125°C while the ISO15 and ISO35 are specified over –40°C to 85°C.

These devices are ideal for long transmission lines since the ground loop is broken to allow for a much larger common-mode voltage range. The symmetrical isolation barrier of the device is tested to provide 2500 Vrms of isolation for 60s between the bus-line transceiver and the logic-level interface.

Any cabled I/O can be subjected to electrical noise transients from various sources

ISO15 ISO3080 ISO3082 ISO3086 ISO3088 ISO35
Number of Channels   RS-485   RS-485   RS-485   RS-485   RS-485  
Channel Configuration RS-485   RS-485   RS-485   RS-485   RS-485   RS-485  
Insulation Rating(VRMS) 2500   2500   2500   2500   2500   2500  
Supply Voltage(s)(V) 3.3   5   5   5   5   3.3  
Datarate(Mbps) 1   0.2   0.2   20   20   1  
TTL/CMOS Input Threshold TTL   TTL   TTL   TTL   TTL   TTL  
Rating Catalog   Catalog   Catalog   Catalog   Catalog   Catalog  
Fault Protection(V) -9 to 14   -9 to 14   -9 to 14   -9 to 14   -9 to 14   -9 to 14  
Isolated Yes   Yes   Yes   Yes   Yes   Yes  
Operating Temperature Range(°C) -40 to 85,-55 to 125   -40 to 85   -40 to 85   -40 to 85   -40 to 85   -40 to 85,-55 to 125  
Approx. Price (US$) 3.00 | 1ku   2.60 | 1ku   2.60 | 1ku   3.20 | 1ku   3.20 | 1ku   3.00 | 1ku  
Duplex Half   Full   Half   Full   Half   Full  
Number of Nodes 256   256   256   256   256   256  
Fail Safe Idle, Open, Short   Idle, Open, Short   Idle, Open, Short   Idle, Open, Short   Idle, Open, Short   Idle, Open, Short  
Signaling Rate(Mbps)   0.2   0.2   20   20   1  
ESD(kV) 16   16   16   16   16   16  
Pin/Package 16SOIC   16SOIC   16SOIC   16SOIC   16SOIC   16SOIC  
ICC(Max)(mA) 21   15   15   15   15   20  
Receivers Per Package   1   1   1   1   1  
# of TX/RX 1 TX / 1 RX   1 TX / 1 RX   1 TX / 1 RX   1 TX / 1 RX   1 TX / 1 RX   1 TX / 1 RX  
VCC(Min)(V) 3.15   4.5   4.5   4.5   4.5   3.15  
VCC(Max)(V) 3.6   5.5   5.5   5.5   5.5   3.6  
Drivers Per Package   1   1   1   1   1  
Thermal Shutdown Yes   Yes   Yes   Yes   Yes   Yes
ISO35 特性
ISO35 芯片订购指南
器件 状态 温度 价格 封装 | 引脚 封装数量 | 封装载体 丝印标记
ISO35DW ACTIVE -40 to 85 3.60 | 1ku SOIC (DW) | 16 40 | TUBE ISO35
ISO35DWG4 ACTIVE -40 to 85 3.60 | 1ku SOIC (DW) | 16 40 | TUBE ISO35
ISO35DWR ACTIVE -40 to 85 3.00 | 1ku SOIC (DW) | 16 2000 | LARGE T&R ISO35
ISO35DWRG4 ACTIVE -40 to 85 3.00 | 1ku SOIC (DW) | 16 2000 | LARGE T&R ISO35
ISO35MDW ACTIVE -55 to 125 4.00 | 1ku SOIC (DW) | 16 40 | TUBE ISO35
ISO35MDWR ACTIVE -55 to 125 3.40 | 1ku SOIC (DW) | 16 2000 | LARGE T&R ISO35
ISO35 质量与无铅数据
器件 环保计划* 铅/焊球涂层 MSL 等级/回流焊峰 环保信息与无铅 (Pb-free) DPPM / MTBF / FIT 率
ISO35DW Green (RoHS & no Sb/Br)  Call TI  Level-2-260C-1 YEAR ISO35DW ISO35DW
ISO35DWG4 Green (RoHS & no Sb/Br)  Call TI  Level-2-260C-1 YEAR ISO35DWG4 ISO35DWG4
ISO35DWR Green (RoHS & no Sb/Br)  Call TI  Level-2-260C-1 YEAR ISO35DWR ISO35DWR
ISO35DWRG4 Green (RoHS & no Sb/Br)  Call TI  Level-2-260C-1 YEAR ISO35DWRG4 ISO35DWRG4
ISO35MDW Green (RoHS & no Sb/Br)  Call TI  Level-2-260C-1 YEAR ISO35MDW ISO35MDW
ISO35MDWR Green (RoHS & no Sb/Br)  Call TI  Level-2-260C-1 YEAR ISO35MDWR ISO35MDWR
ISO35 应用技术支持与电子电路设计开发资源下载
  1. ISO35 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器隔离器选型与价格 . xls
  3. 所选封装材料的热学和电学性质 (PDF 645 KB)
  4. 使用数字隔离器设计隔离式 I2C 总线接口 (zhct119.PDF, 339 KB)
  5. 1Q 2011 Issue Analog Applications Journal (slyt399.PDF, 964 KB)
  6. 接口选择指南 (Rev. D) (PDF 2994 KB)
  7. Signaling Rate vs. Distance for Differential Buffers (PDF 420 KB)
  8. Q1 2009 Issue Analog Applications Journal (slyt319.PDF, 1.39 MB)
  9. Isolated RS-485 Reference Design (PDF 80 KB)
  10. 无铅组件涂层的保存期评估 (PDF 1305 KB)
  11. Analog Signal Chain Guide (8.62 MB)
  12. Industrial Interface IC Solutions (101 KB)
ISO35 工具和软件
培训内容 型号 软件/工具类型
ISO485EVM 评估模块 ISO485EVM 开发电路板/EVM