Nigel Orr wrote:

>pic microcontroller discussion list <> wrote:
>
>
>>mixer that sums up some line level signals. The ideal situation would
>>be to now have a balanced line receiver/preamp module that bumps the
>>level up to match the line inputs. Then I just do the opamp summing
>>mixer and I'm good to go.
>>
>>
>
>Have a look at the Analog Devices SSM2016/SSM2017 (one of those part
>numbers should be right, IIRC).  They're not cheap, but I've used them in
>the past for quick and easy balanced inputs and outputs.  If you're not
>experienced in opamp design and this is a one-off, I'd recommend them
>highly.
>
>

I've not heard of the SSM2016 but the SSM2017 *is* discontinued.
Burr Brown makes the INA217 (IIRC) as a drop-in replacement.
And yes, yery easy to get going. The datasheet has all you'll need.
David...

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