比较实用的设计开发IC资料
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190259 Rev 1 196 Complete Isolated RS485RS422 Data Interface General Description The MAX1480AMAX1480BMAX1490AMAX1490B are complete electrically isolated RS485RS422 data communications interface solutions Transceivers opto couplers and a transformer provide a complete interface in a standard DIP package A single 5V sup ply on the logic side powers both sides of the interface The MAX1480BMAX1490B feature reducedslewrate drivers that minimize EMI and reduce reflections caused by improperly terminat......
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