On Wed, 5 Oct 2011 13:35:34 +0000, you wrote:

>> > I'm looking for a single device (meaning...I can do it with a couple o=
f
>> opamps,etc) that will accept a single ended 5V digital input, and give m=
e
>> differential output....+5/-5 out.  Rail to rail would be nice, but if I =
need to run
>> it above 5V (say 9-12V) for the supply I can do that.  Highest frequency=
 would be
>> about 5KHz that I would run thru it.
>> >
>> > Ideas?
>> >
>> >
>> Look into RS-232 driver chips!
>
>RS232 won't give him differential output - that is why i suggest RS422/485=
 or CAN devices.

AFAICS he wants differential (2 lines) as well as bipolar (+/-5V)

RS422/485 won't give bipolar

I'd suggest using 2 channels  of an RS232/432 driver, with an inverter feed=
ing one input.


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