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I'm trying to figure out how I'm supposed to get traces to the four internal data pins of the Wolfson WM7230 Digital Microphone part.

WM7230 Bottom Port Digital Mic

It's got a ground ring that is supposed to have a tight solder seal. You can see from the datasheet recommended PCB pattern, that the four internal pads are completely surrounded by the copper ground ring.

WM7230 Recommended PCB Land Patterns

I thought it was bad news to put vias in the pads themselves. This thing is a pretty small part; is the intention that I put via's immediately next to the pads?

Tried to find some example layouts with Google, but no luck.

Thoughts?

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Ok, got some advice from the twitterverse:

https://twitter.com/JulianVeisdal/status/564144465225715712

"For parts with perimeter ground ring (E.g.WM7211, WM7210, WM7230), it is not critical to

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