Standard optocouplers have a polarised input and a polarised output, thus:
It is possible to get a coupler with a non-polarised input, thus:
However, what I require is an optocoupler with non-polarised outputs - for example, having two optotransistors/optodiodes in reverse-parallel. Does such a thing exist, cheaply (i.e. for a comparable price to standard optos)?
I prefer a DIP-4 package, but anything easy to solder by hand would do. And it should be smaller than DIP-8 because otherwise I might as well just use two standard optos in reverse-parallel.
(Note: triac outputs are not suitable, because they latch when passing DC. I just want two normal phototransistors/diodes in reverse-parallel.)
I have googled to no avail.