Texas Instruments 德州仪器 ISO78xx 数字隔离器
德州仪器 ISO78xx 高性能双通道、三通道或四通道数字隔离器具有 8000VPK 隔离电压。这些隔离器在隔离 CMOS 或 LVCMOS 数字 I/O 的同时，有高抗电磁干扰性低辐射和低功耗。每个隔离通道的逻辑输入和输出缓冲器均由二氧化硅 (SiO2) 绝缘隔栅分离开来。如果出现输入功率或信号损失，则这些器件默认输出“高”电平。当与隔离电源配合使用时，这些器件可防止数据总线上的噪声。它们还可以防止其他电路进入本地系统接地并防止敏感电路受干扰或遭损坏。
特性
- Signaling rate up to 100Mbps
- 2.25V to 5.5V supply range
- -55°C to +125°C temperature range
- Low Power Consumption
- ISO7810: Typical 1.8mA per channel at 1Mbps
- ISO7821: Typical 1.8mA per channel at 1Mbps
- ISO7830: Typical 2.4mA per channel at 1Mbps
- ISO7831: Typical 2.5mA per channel at 1Mbps
- ISO7841: Typical 1.6mA per channel at 1Mbps
- ISO7842: Typical 1.7mA per channel at 1Mbps
- 11ns typical (5V supplies) propagation delay
- ±100kV/µs CMTI
- Robust Electromagnetic Compatibility (EMC)
- System-level ESD, EFT, and surge immunity
- Low emissions
- >25 years of isolation barrier life
- Wide body SOIC-16 package
- Safety and Regulatory Approvals
- 5.7kVRMS isolation for 1 minute per UL 1577
- CSA component acceptance notice #5A, IEC 60950-1 , IEC 60601-1 and IEC 61010-1 end equipment standards
- 8000VPK VIOTM and 2121 VPKVIORM reinforced isolation per DIN V VDE 0884-10
- GB4943.1-2011 CQC certification
应用
- Industrial automation
- Motor control
- Power supplies
- Solar inverters
- Medical equipment
- Hybrid electric vehicles
Development Tools
Texas Instruments DIGI-ISO-EVM数字隔离器评估模块
用于TI单通道、双通道、三通道、四通道或六通道数字隔离器。
Texas Instruments ISO7842EVM 评估模块
可帮助设计人员评估 ISO78xx 系列数字隔离器性能。
Related Isolators
Texas Instruments ISO7810 单通道数字隔离器
单通道数字隔离器，具有 8000VPKPK 增强隔离电压。
Texas Instruments ISO7820/ISO7820F 双通道数字隔离器
高性能双通道数字隔离器，具有 8000VPK 隔离电压。
发布日期: 2015-04-27
| 更新日期: 2022-03-11