Maxim-IC makes all sorts of chips for all kinds of purposes. From MP3 decoder chips to voltage regulators to digital potentiometers - Maxim-IC has solutions for many projects.
They have free shipping and i've gotten orders shipped from taiwan within 2 days before. Their sample program is impressive for the quantities they allow and their speed of shipping.
You can find more info here:
https://shop.maxim-ic.com/storefront/searchsample.do?menuitem=Sample&event=SampleSearchLoad
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