http://sjostromaudio.com/ubc01r0.pdf
I got inspired from someone (can you guess?) to make a DRV134 pcb with built-in regulators, two types of them and the discrete one can handle pretty high input voltage. The design comes right of my head and I haven't tested it in any way.
I got inspired from someone (can you guess?) to make a DRV134 pcb with built-in regulators, two types of them and the discrete one can handle pretty high input voltage. The design comes right of my head and I haven't tested it in any way.
I thought about to have SMD opamps on the solder side along with 0.1% resistors. It's not impossible to fix this. Is there any interest for this? For building a DRV134 solution you'll need three opamps and a dozen of resistors but they have to be with tight tolerances in order to get good performance.
This is a unbalanced to balance driver. If you already have a balanced signal you won't need this converter but I see what you mean. You could use a balanced opamp like OPA1632.
As I see it you can connnect the DRV134 via a cap only. I haven't it though. Anybody who has?
You have a THAT chip which is compatible.
As I see it you can connnect the DRV134 via a cap only. I haven't it though. Anybody who has?
You have a THAT chip which is compatible.
I have debugged the boards now and two errors were but the were minor.
Connector X4 should be +V GND -V, (is +V GND -V, just swap + and -)
Connector X3 should be -OUT (inverting output)
Connector X2 should be +OUT (non-inverting output)
It was right to connect the input coupling cap directly to pin 4 without any pulldown resistors.
Connector X4 should be +V GND -V, (is +V GND -V, just swap + and -)
Connector X3 should be -OUT (inverting output)
Connector X2 should be +OUT (non-inverting output)
It was right to connect the input coupling cap directly to pin 4 without any pulldown resistors.
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