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- 江苏润石科技：高压集成电流检测芯片RSA4081
江苏润石科技：高压集成电流检测芯片RSA4081
Release time：2025-06-06
author：AMEYA360
source：润石科技
reading：1233
江苏润石科技RSA4081系列是一款支持高工作电压、宽共模输入电压范围的集成电流检测芯片，工作电压支持5.0V至100V，共模输入电压范围亦支持5.0V至100V;可以很好应对24V、48V母线电压系统的电流采集应用。
RSA4081系列提供20、50、60、100四种固定增益，增益误差低至0.5%，以使其能满足更多的应用场景和电流采集精度。其他主要参数特性如下：
Ø 增益带宽(GBP)：180KHz;
Ø 低输入失调电压(Vos)：100μV;
Ø 低输入偏置电流(IB)：4μA;
Ø 低功耗(Iq)：160μA(Full Tem. Max);
Ø 高电源纹波抑制比(PSRR)：135dB
Ø 高共模抑制比(CMRR)：140dB
Ø 容性负载能力;500pF
Ø 扩展级工业温度范围：-40°C ~ 125°C。
RSA4081典型应用电路
注：REF1A、REF1B可以短接在一起提供参考电压，也可以REF1A给参考电压、REF1B接GND，借助内部电阻分压。
RSA4081封装和管脚定义
润石科技集成电流检测产品家族
注：RSA4080无外部基准电压输入，RSA4081提供外部基准电压输入功能。
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