This might be a dumb question so if yes, I apologize. I would like to power an op-amp off of a boost converter and I need to know how much current an op-amp would use. I'm using TI's web bench and there's a lot of cost / space differences depending on the max output current. So I have to pose this as a question even if it sounds dumb because it has a lot of space / cost ramifications.
On a datasheet, it says that the "supply current" for an op-amp like the MCP6002 (https://www.digikey.com/product-detail/en/microchip-technology/MCP6002T-I-MS/MCP6002T-I-MSCT-ND/669500) is 100 uA. The MCP6002 is actually two op-amps in one integrated component.
I will be outputting roughly ~1 mA from one of the op-amp's Vout terminal. For now just assume the other Vout terminal isn't used.
When I design my boost converter, I'm assuming the booster should only require a max output of 1.1 mA. This is for the 1mA coming from Vout and the 0.1 mA going to the "supply current". I can round up to 3 mA to be safe. Is this a correct assumption, however?
Another question: If I do wind up using the other output's Vout, do I need to also 2x the supply current (e.g. 200 uA).