【应用】国产隔离放大器NSI1200-DDBR用于光伏逆变系统,高共模瞬态抗扰度可达150kV/μs
光伏逆变系统当中为了防止数据采集器件遭受远程传感器出现的潜在破坏性电压的影响,在多通道应用中放大低电平信号,消除由接地环路引起的测量误差。一颗高质量的隔离放大器必不可少,本文介绍国产纳芯微推出的隔离放大器NSI1200-DDBR,高共模瞬态抗扰度可达150 kV/μs,运用于光伏逆变系统框图如下:
项目应用优势如下:
1、NSI1200-DDBR是一款基于电容隔离技术的高性能隔离放大器,输出与输入分离。该装置的线性差动输入信号范围为250mV(1320mV满标度),高达5000Vms的绝缘电压,带宽:100kHz(典型值)。
2、该装置固定增益为8,并提供差分模拟输出。低偏移和增益漂移确保了整个温度范围内的精度。即使在存在大功率开关的情况下,高共模瞬态抗扰度150kV/us(典型)确保设备能够提供准确可靠的测量。
3、故障安全功能(包括输入共模过压检测和缺失VDD1检测)简化了系统级设计和诊断,工作温度:-40℃~125℃。适用于AEC-Q100标准的汽车应用
产品封装图如下:
综上所述,纳芯微推出的国产隔离放大器NSI1200-DDBR,是用于光伏逆变系统系统电路隔离放大器的高性价比解决方案。
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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>
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。
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