【选型】增益带宽1.1MHz的国产运算放大器RS6331PXF助力电源模块开发，输入电压范围为-0.1V~+5.6V

时间： 2023-06-30 来源：世强

技术问答

为了加快产品开发的周期、降低风险等，越来越多的设计会采用成熟的DC-DC电源模块来作为电源方案。电源模块是将DC-DC的转换电路集成，具有可靠性高、应用灵活等特点，可以提供多种电压和功率的支持。在某电源模块的设计中需要对温度进行监测，需要选用一颗低压运放将传感器的信号进行放大处理，推荐一颗运算放大器 RS6331PXF，具有出色的带宽和转换率。

运算放大器RS6331PXF在电源模块中的应用有以下特点：

1、输入电压范围为-0.1V至+5.6V，具有宽输入电压范围的特点，可以满足传感器低压输出的应用。

2、增益带宽1.1MHz，具有高增益带宽的特点，有利于对信号的高速采集应用。

3、在25℃的工作环境下，输入偏置电压最大0.5mV，具有低偏置电压的特点。

4、在25℃下，转换率最大值为0.5V/S，静态电流典型值为85μA，具有良好的速率和低功耗的特点。

5、工作温度范围为40°C至+125°C，具有宽工作温度范围的特点，有利于满足多种温度下的应用。

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选型指南 - 华冠半导体 - 2019/9/11 PDF 中文下载

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

选型指南 - SLKOR - 2022/10/9 PDF 中文下载

思瑞浦（3PEAK）运算放大器选型表

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Operating Temperature Range(°C)

Peak Noise at 0.1 to 10Hz(μVpp)