【应用】高温数字CMOS容耦隔离器SI8719BD-A-IS做车载CAN隔离,响应时间快、通讯速率高
目前部分车载产品的通讯以CAN为主,往往在CAN芯片与主控芯片之间需要加隔离芯片实现强弱电侧的电气隔离,大部分以高速光耦为主,随着对可靠性能的要求提升,光耦的光栅衰减问题会涉及到产品的寿命问题,设计者又希望在不改动原有的PCB板情况下找到新的替换方案。针对高速光耦的运用,SILICON LABS推出的SI8719BD-A-IS高温数字CMOS容耦隔离器可以满足客户的设计需求,可靠性上会得到提升,成本也有优势。 图1为SI8719BD-A-IS的引脚框图,该芯片封装为DIP6,兼容目前主流的高速光耦封装。
图1 SI8719BD-A-IS的引脚框图
对于车载CAN通讯的设计,会涉及TX和RX信号的隔离,会用到两颗SI8719BD-A-IS做信号隔离。SI8719BD-A-IS的工作原理是原边电流If在6mA-30mA导通,通常在输入侧串电阻限流的方式到达原边的电流If的值,另外Vdd可以供5V即可,可以实现信号从原边到副边的传输。
相比高速光耦的优势,SI8719BD-A-IS可以为设计者带来更快的响应时间,高速光耦可能信号传输时间在100ns,SI8719BD-A-IS的信号传输时间只需要30ns。CAN通讯速率通常在1Mbps,SI8719BD-A-IS可以提供15Mbps的通讯速率满足高速通讯速率需求。从安规考虑,SI8719BD-A-IS满足5KV耐压,可以过相关安规认证。另外该芯片提供-40℃-125℃的宽工作温度需求,满足车载工作温度需求。相比高速光耦的设计成本,SI8719BD-A-IS具有更低优势,综合考虑,在原有高速光耦做CAN设计不改动设计方案时,SI8719BD-A-IS是不错的设计选择。
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描述- 光电耦合器存在各种形式的自上世纪60年代末,发现使用在许多不同的应用程序。由于光耦合器遭受无数的技术问题,用户社区被迫补救光耦怪癖通过增加外部元件。没有一个卓越的解决方案,及时解决隔离功能,光电耦合器已被设计界视为“足够好”。
型号- SI8717BC-A-ISR,SI8712BC-B-IS,SI8711BC-B-IP,SI8715BC-A-ISR,SI8710BC-B-IP,SI8712BC-B-IP,SI8710BC-B-IS,SI8711BC-B-IS,SI8710BC-B-IPR,SI8712BD-B-IM,SI8711BD-B-IM,SI871X,SI8710BD-B-IS,SI8710CC-B-IPR,SI8710AC-B-IPR,SI8719BC-A-ISR,SI8712CC-B-IP,SI8718BC-A-IPR,SI8716BC-A-IP,SI8710AD-B-IS,SI8712CD-B-IMR,SI8712CC-B-IS,SI8716BC-A-IPR,SI8710CC-B-IS,SI8712AD-B-IMR,SI8718BC-A-IP,SI8712BC-B-IPR,SI8710CC-B-IP,SI8711BD-B-IMR,SI8716BC-A-IS,SI8718BC-A-IS,SI8710AC-B-ISR,SI8712AD-B-IM,SI8715BD-A-IS,SI8711BC-B-ISR,SI8711CD-B-IM,SI8719BD-A-IS,SI8710CC-B-ISR,SI872X,SI8718BC-A-ISR,SI8712CC-B-ISR,SI8712BC-B-ISR,SI8712AC-B-ISR,SI8716BC-A-ISR,SI8710,SI8711AC-B-IS,SI8711,SI8712,SI8710AC-B-IP,SI8711AC-B-IP,SI8711BC-B-IPR,SI8710AC-B-IS,SI8712AC-B-IS,SI8711AC-B-IPR,SI8711CC-B-IPR,SI8720BC-A-ISR,SI8718,SI8710BD-B-ISR,SI8719,SI8710AD-B-ISR,SI8712AC-B-IP,SI8715,SI8716,SI8717,SI8715BC-A-IP,SI8711CC-B-IP,SI8719BC-A-IPR,SI8710CD-B-ISR,SI8711CC-B-IS,SI8717BC-A-IPR,SI8720BC-A-IP,SI8711CD-B-IMR,SI8719BC-A-IP,SI8712BD-B-IMR,SI8720BC-A-IS,SI8712AC-B-IPR,SI8712CC-B-IPR,SI8711AD-B-IMR,SI8715BC-A-IPR,SI8717BC-A-IP,SI8715BD-A-ISR,SI8715BC-A-IS,SI8717BC-A-IS,SI8719BC-A-IS,SI8720BC-A-IPR,SI8711AD-B-IM,SI8710CD-B-IS,SI8719BD-A-ISR,SI8720,SI8712CD-B-IM,SI8711AC-B-ISR,SI8711CC-B-ISR,SI8710BC-B-ISR
Bulletin #1510062 Shipping Label Change for Isolation Devices (Certification Label)
型号- SI8642ED-B-ISR,SI8640AB-B-IS,SI8642BB-B-IS1R,SI8651BC-B-IS1R,SI8622EC-B-ISR,SI8652ED-B-IS,SI8602AB-B-ISR,SI8661BD-B-ISR,SI8642ED-B-YS0R,SI8640EC-B-IS1,SI8650ED-B-IS,SI8233CB-D-IMR,SI8602AC-B-IS,SI8661EC-B-IS1R,SI8261AAC-C-IP,SI8600AC-B-IS,SI8642AB-B-IS,SI8621BB-B-ISR,SI8610BD-B-IS,SI8710AD-B-ISR,SI8710CD-B-ISR,SI8635BC-B-IS1,SI8261AAC-C-IS,SI8660BB-B-IS1R,SI8233AB-D-IMR,SI8233BB-D-IM,SI8235BB-D-IM,SI8261ABC-C-ISR,SI8610BB-B-IS,SI8655BD-B-IS,SI8620EB-B-ISR,SI8650BC-B-IS1,SI8261BAC-C-ISR,SI8261BCC-C-ISR,SI8220BD-D-IS,SI8642BD-B-IS,SI8640AB-B-ISR,SI8652BD-B-ISR,SI8663EC-B-IS1,SI8711CD-B-IM,SI8220DB-A-IS,SI8605AB-B-IS1,SI8651EC-B-IS1R,SI8605AD-B-IS,SI8640BD-B-IS,SI8641BC-B-IS1,SI8651BD-B-IS,SI8621BB-B-IS,SI8641BC-B-IS1R,SI8220DB-A-ISR,SI8622BC-B-IS,SI8621BC-B-ISR,SI8630BC-B-IS1,SI8651BB-B-IS1,SI8641BD-B-YS0,SI8662BC-B-IS1,SI8663EC-B-IS1R,SI8234BB-D-IMR,SI8642BB-B-IS1,SI8620AB-B-ISR,SI8640BB-B-IS1R,SI8712CC-B-IS,SI8261BAD-C-ISR,SI8651AB-B-IS1R,SI8712CC-B-IP,SI8631AB-B-IS,SI8220BB-D-IS,SI8620ED-B-IS,SI8630BB-B-IS1,SI8660BB-B-IS1,SI8606AD-B-ISR,SI8712BC-B-IS,SI8712BC-B-IP,SI8620BD-B-ISR,SI8641EC-B-IS1R,SI8642BB-B-IS,SI8642BB-B-ISR,SI8261ACD-C-IM,SI8661ED-B-IS,SI8235AB-D-IM,SI8622EB-B-IS,SI8641BD-B-ISR,SI8261ACD-C-IS,SI8620EC-B-ISR,SI8261BAC-C-IPR,SI8630ED-B-IS,SI8621AB-B-IS,SI8220CB-A-IS,SI8631EC-B-IS1R,SI8261ABD-C-ISR,SI8640EC-B-IS1R,SI8640ED-B-ISR,SI8600AB-B-ISR,SI8710AC-B-IS,SI8710AC-B-IP,SI8641AB-B-IS1,SI8650AB-B-IS1,SI8710AD-B-IS,SI8640AB-B-IS1R,SI8718BC-A-IS,SI8719BC-A-IS,SI8605AC-B-IS1,SI8631BD-B-ISR,SI8719BC-A-IP,SI8235AB-D-IMR,SI8631AB-B-IS1R,SI8631ED-B-ISR,SI8718BC-A-IP,SI8716BC-A-IP,SI8221CC-D-IS,SI8663BC-B-IS1R,SI8716BC-A-IS,SI8645BB-B-IS1,SI8712AD-B-IM,SI8661BD-B-YS0R,SI8660AB-B-IS1,SI8631BB-B-IS1,SI8663AB-B-IS1,SI8662ED-B-ISR,SI8622ED-B-ISR,SI8610BB-B-ISR,SI8715BD-A-IS,SI8631BD-B-IS,SI8233CB-D-IM,SI8642AB-B-ISR,SI8662BB-B-IS1R,SI8261BBC-C-IS,SI8660ED-B-IS,SI8651AB-B-IS1,SI8261BCD-C-IM,SI8661EC-B-IS1,SI8640BB-B-IS1,SI8640BD-B-ISR,SI8641AB-B-IS1R,SI8602AC-B-ISR,SI8261BBC-C-IP,SI8261BCD-C-IS,SI8641ED-B-ISR,SI8710CC-B-ISR,SI8642BD-B-YS0R,SI8631BB-B-ISR,SI8261BBD-C-IS,SI8712BD-B-IM,SI8620BC-B-IS,SI8600AD-B-ISR,SI8610AB-B-IS,SI8641ED-B-IS,SI8645BB-B-IS,SI8620BD-B-IS,SI8610BC-B-ISR,SI8610EC-B-ISR,SI8710CC-B-IP,SI8631BC-B-IS1R,SI8652EC-B-IS1,SI8710CC-B-IS,SI8261BCD-C-ISR,SI8710CC-B-IPR,SI8622ED-B-IS,SI8652BC-B-IS1,SI8710BC-B-IS,SI8622EB-B-ISR,SI8631BD-B-YS0,SI8233AB-D-IM,SI8710BC-B-IP,SI8261BCC-C-IP,SI8640BB-B-IS,SI8640BB-B-ISR,SI8261BCC-C-IS,SI8712CD-B-IM,SI8622BD-B-ISR,SI8652BB-B-IS1R,SI8261BAD-C-IS,SI8640BC-B-IS1,SI8663ED-B-IS,SI8631EC-B-IS1,SI8606AD-B-IS,SI8620EB-B-IS,SI8650BD-B-IS,SI8661BC-B-IS1,SI8610BD-B-ISR,SI8661BD-B-IS,SI8622BC-B-ISR,SI8651BB-B-IS1R,SI8712CC-B-ISR,SI8641AB-B-IS,SI8642BC-B-IS1R,SI8631BC-B-IS1,SI8610BC-B-IS,SI8220DB-D-IS,SI8642BD-B-YS0,SI8651ED-B-IS,SI8600AB-B-IS,SI8602AB-B-IS,SI8662AB-B-IS1R,SI8663BC-B-IS1,SI8261BAC-C-IP,SI8641BD-B-YS0R,SI8710BD-B-ISR,SI8610ED-B-IS,SI8660BC-B-IS1R,SI8261BAC-C-IS,SI8621AB-B-ISR,SI8233BB-D-IMR,SI8652EC-B-IS1R,SI8661BB-B-IS1,SI8234BB-D-IM,SI8630AB-B-IS1,SI8711BC-B-IS,SI8711BC-B-IP,SI8652AB-B-IS1R,SI8620ED-B-ISR,SI8606AC-B-IS1,SI8605AD-B-ISR,SI8620EC-B-IS,SI8622EC-B-IS,SI8600AC-B-ISR,SI8261AAD-C-IS,SI8631BD-B-YS0R,SI8630EC-B-IS1,SI8712AC-B-ISR,SI8642BD-B-ISR,SI8662EC-B-IS1R,SI8652BB-B-IS1,SI8630AB-B-ISR,SI8645BC-B-IS1,SI8630AB-B-IS,SI8631ED-B-YS0R,SI8261ABD-C-IS,SI8641ED-B-YS1R,SI8621BC-B-IS,SI8642ED-B-IS,SI8641EC-B-IS1,SI8715BC-A-ISR,SI8655BB-B-IS1,SI8645BD-B-ISR,SI8660EC-B-IS1R,SI8710BD-B-IS,SI8641ED-B-YS1,SI8220DD-D-IS,SI8622BD-B-IS,SI8642AB-B-IS1,SI8234AB-D-IMR,SI8662BD-B-ISR,SI8640BC-B-IS1R,SI8631BB-B-IS1R,SI8622BB-B-ISR,SI8651BC-B-IS1,SI8602AD-B-ISR,SI8220BB-D-ISR,SI8621ED-B-IS,SI8650EC-B-IS1,SI8645BD-B-IS,SI8620BB-B-IS,SI8652BD-B-IS,SI8662AB-B-IS1,SI8600AD-B-IS,SI8631BB-B-IS,SI8641BD-B-IS,SI8663BB-B-IS1,SI8710CD-B-IS,SI8652ED-B-ISR,SI8261ACC-C-ISR,SI8661ED-B-ISR,SI8630BD-B-IS,SI8662BC-B-IS1R,SI8635BB-B-IS,SI8662EC-B-IS1,SI8605AC-B-IS1R,SI8640ED-B-YSR,SI8220BB-A-IS,SI8642BC-B-IS1,SI8710BC-B-ISR,SI8663BD-B-IS,SI8261BBC-C-IPR,SI8712AC-B-IS,SI8642EC-B-IS1,SI8620AB-B-IS,SI8622AB-B-IS,SI8261BCC-C-IPR,SI8631ED-B-IS,SI8220CD-D-IS,SI8650BB-B-IS1,SI8711AC-B-IS,SI8641BB-B-IS1,SI8711AC-B-IP,SI8712AC-B-IP,SI8717BC-A-IS,SI8235BB-D-IMR,SI8663BD-B-ISR,SI8715BC-A-IP,SI8717BC-A-IP,SI8261ACD-C-ISR,SI8715BC-A-IS,SI8663ED-B-ISR,SI8220DB-D-ISR,SI8651EC-B-IS1,SI8711AD-B-IM,SI8220CB-D-IS,SI8662BD-B-IS,SI8621BD-B-ISR,SI8630BB-B-IS,SI8635BD-B-IS,SI8641BB-B-ISR,SI8641BB-B-IS,SI8719BD-A-IS,SI8710AC-B-ISR,SI8630BC-B-IS1R,SI8662ED-B-IS,SI8605AB-B-IS1R,SI8234AB-D-IM,SI8221CC-A-IS,SI8660BC-B-IS1,SI8660BD-B-IS,SI8620BC-B-ISR,SI8631AB-B-ISR,SI8642AB-B-IS1R,SI8640ED-B-IS,SI8621EC-B-ISR,SI8711BD-B-IM,SI8220BB-A-ISR,SI8660BD-B-ISR,SI8640AB-B-IS1,SI8630BD-B-ISR,SI8621BD-B-IS,SI8261ACC-C-IS,SI8620BB-B-ISR,SI8712AC-B-IPR,SI8640ED-B-YS,SI8261ACC-C-IP,SI8261BBD-C-ISR,SI8711CC-B-IP,SI8662BB-B-IS1,SI8720BC-A-IP,SI8711CC-B-IS,SI8720BC-A-IS,SI8606AC-B-IS1R,SI8661AB-B-IS1,SI8651BD-B-ISR,SI863
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品类:Switch Hall Effect Magnetic Position Sensor
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可定制波导隔离器频率覆盖5.5GHz~110GHz,插损损低至0.25dB、隔离度、正向方向功率、封装尺寸参数。
最小起订量: 1pcs 提交需求>
可定制射频隔离器/环行器(10M-40GHz),双工器/三工器(30MHz/850MHz-20GHz),滤波器(DC-20GHz),功分器,同轴负载,同轴衰减器等射频器件;可定制频率覆盖DC~110GHz,功率最高20KW。
最小起订量: 1 提交需求>
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