【产品】专为改善音调控制而设的双运算放大器JR4580，低失真度约0.0005%，工作电压±2至±18V

时间： 2023-05-12 来源：扬州国芯

技术问答

JR4580是扬州国芯推出的一款双运算放大器，专为改善音调控制而设计，最适合音频应用。JR4580具有低噪声，更高的增益带宽，高输出电流和低失真比等特点。它不仅最适合音频前置放大器和有源滤波器的声学电子部件，而且适合工业测量工具，它还适用于较高输出电流的耳机放大器。JR4580提供SOP8和DIP8两种封装形式。

主要特点

工作电压（±2V至±18V）
低输入噪声电压
增益带宽积（约10MHz）
低失真度（约0.0005%）
转换速率（约6V/μS）
双极工艺
封装形式（DIP8，SOP8）
内部ESD保护：人体模型（HBM）约±2000V

主要应用领域

有源滤波器
补偿放大器
音频前置放大器
耳机放大器
低压手持电子仪器

等效电路图（仅一个通道）：

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芯伯乐NE5532是一款高性能低噪声双运算放大器（双运放）集成电路。与很多标准运放相似，但它具有更好的噪声性能，优良的输出驱动能力及相当高的小信号带宽，电源电压范围大等特点。因此很适合应用在高品质和专业音响设备、仪器、控制电路及电话通道放大器。用作音频放大时音色温暖，保真度高，在上世纪九十年代初的音响界被发烧友们誉为“运放之皇”，至今仍是很多音响发烧友手中必备的运放之一，有着经久不衰的名誉。

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