Teardown Reveals A Mystery Chip Inside Apple's Lightning To 3.5mm Audio Jack Dongle
Apple's iPhone 7 was released final month that disappointingly didn't feature a headphone jack. To compensate, Apple did include a Lightning to 3.5mm audio adapter that will allow you use your former headphones with the new iPhone 7 and 7 Plus. However, a teardown has been revealed past the folks over at iFixit that shows a mystery bit plant inside the dongle. Let'southward come across some more details on the teardown.
iFixit Teardown Reveals A Mystery Scrap Within The Lightning To 3.5mm Audio Jack Adapter
Other than this, Creative Electron provided an 10-ray image of the sound adapter to the site. The X-ray prototype clearly shows the mystery chip which is most likely a DAC. What purpose could this fleck boast if its non likely to be a DAC?
Equally expected, ane cease is a simple female 3.five mm headphone jack, and the other end is a male Lightning connector. Merely what's all that silicon around the Lightning connector end? Most of the retail space nearly the connector is taken up past a single mystery IC.
Every bit the user oldturkey03 managed to slice open up his audio adapter, the marking over it does non advise much about the chip. It only states that the chip is from Apple.
He uncovered that mystery IC by the Lightning connector, marked 338S00140 A0SM1624 TW—which doesn't tell us much, other than information technology'south an Apple part number.
According to iFixit, the exact purpose of the IC is unknown, but information technology is believed that information technology contains a ''digital-to-analog converter (DAC) and amplifier, and its counterpart, an analog-to-digital-converter (ADC).'' This is considering all audio accessories need analog signals to work and dissimilar the antiquarian iii.5mm headphone jack, the Lightning connector is digital. DAC is used to bridge the gap and past that it tin can be said to incorporate an ADC circuit for converting analog signals to something that can pass through the Lightning port for our iPhones.
In terms of the Lightning audio adapter performance, the sound quality falls e'er then slightly which will not be noticeable to some users. We can, hence, state that the audio quality on the iPhone 6s and 6s Plus is a niggling greater than what nosotros volition adhere to on the iPhone vii and 7 Plus. For more details on the scenario, be sure to read the full assay here.
This is it for at present, folks. Nosotros volition surely go along y'all updated for more details. As for now, what do y'all think well-nigh this teardown? Share your thoughts with us in the comments.
Source
Source: https://wccftech.com/teardown-reveals-a-mystery-chip-inside-apples-lightning-to-3-5mm-audio-jack-dongle/
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