Hey,
I am designing a portable recorder with a Raspberry Pi and I am trying to select the best op amp for my project, can anyone recommend one or more that reach my criteria:
- Adjustable gain (either programmable in the chip by I2C or via adjusting resistor values)
- Cheap - less than $10 (preferably around $5 or less)
- Easy to integrate - minimal extra components needed
- Good documentation or example circuits in the datasheets or on other websites (I am quite new to audio devices)
- Works at 3.3V or 5V (or both)
- One channel
Thanks,
Louis
