是因为偶现在就是要控制模拟开关,模拟开关12V供电,用4V信号控制模拟开关时其供电电流近1mA!<br /><br />看看这里: <br /> 相关链接:<a href='https://bbs.21ic.com/club/bbs/list.asp?boardid=6&page=1&t=2943434&tp=CMOS%u7535%u8DEF%u7684%u8F93%u5165%u7535%u538B%u6BD4%u4F9B%u7535%u7535%u538B%u5C0F%u65F6%u4F9B%u7535%u7535%u6D41%u731B%u589E%uFF1F%u4E3A%u4EC0%u4E48%u5462%uFF1F'>https://bbs.21ic.com/club/bbs/list.asp?boardid=6&page=1&t=2943434&tp=CMOS%u7535%u8DEF%u7684%u8F93%u5165%u7535%u538B%u6BD4%u4F9B%u7535%u7535%u538B%u5C0F%u65F6%u4F9B%u7535%u7535%u6D41%u731B%u589E%uFF1F%u4E3A%u4EC0%u4E48%u5462%uFF1F</a>
|