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以下比较器TLC352的用法是否正确?

Other Parts Discussed in Thread: TLC352

以下比较器TLC352的用法是否正确?谢谢

1)       TLC352含两个比较器,第二路不用,我是否可以把它的输入管脚IN2+, IN2-悬空?

2)       它的输出是否是Open Drain? 也就是出高电平时,必须连接上拉电阻。高电平的电压由上拉电阻连接的轨决定?

3)       当IN+ >IN-时,OUT为三态(上拉电阻使其为高电平),否则为低电平。而不是当IN+ <IN-时,OUT为三态(上拉电阻使其为高电平),否则为低电平。

4)       以下用法要实现的功能是当VCFG>2.1V时,CFGBVS电压为VCFG, 否则CFGBVS电压为DGND。输入的VCFG的变化范围是(1.5~3.3)V,VDD为3.3V。用法是否正确?

谢谢