This may be an A6 teardown, but the new iPhone is full of new chips to delve into—you didn't think the A6 ran the device all by itself, did you?

Chipworks cracked open the Apple 338S1077 to confirm that it is, in fact, a Cirrus CS35L19 class-D audio amplifier.

The second image is of the Cirrus' CS35L19 die. Judging from the inscription, this package seems to be from the CS35L family, although it's not specifically listed on Cirrus' site.