需求:设计一款同相放大电路,运算放大器需选型
设计要求:运放双电源供电(±25V),同相放大电路(增益为5),4通道最好(2通道也可)
输入信号:方波(最大电压±5V,最大频率240Hz)
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
Hi
感谢您对TI产品的关注!可以参考高电压双通道运算放大器的OPA2544或OPA2541:
https://www.ti.com.cn/product/cn/OPA2544
https://www.ti.com.cn/product/cn/OPA2541
电源电压和输入电压可以满足您的条件,您可以再确认下输出电压范围,在数据表中SPECIFICATIONS表格的OUTPUT部分
感谢您的回答!输出电压满足我的需求,但Offset电压规格稍微有点大,如有能到uV的更好(因为本案对输出电压精度要求较高),另外如有4通道的更好(PCB面积受限),感谢您的建议!