你好我现在需要找一个电流感应放大器,电流范围很小,2ma,但是共模电压范围需要达到46V左右,我看很多都只到26V, 这边有没有推荐的器件或者参考设计
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您好,有高共模电压的电流感应放大器,下面选型链接筛选出来的是40V以上的:比如最大48V的INA236,INA237,INA238,高达120V的INA280等,再比如85V 的INA228,INA229, 110V的INA290等。您可以参考下:
https://www.ti.com/amplifier-circuit/current-sense/products.html#726max=40%3B120&