A better design experience. A more dynamic automotive experience. ADI's A²B® technology delivers both.

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Taking on today’s automotive design challenges often starts with what you take out.

Take out the complexity. Take out the weight. Take out the added costs. But add in the advanced, feature-rich infotainment experience that car manufacturers, and millions of drivers, increasingly expect – along with better gas mileage.

It’s a delicate and demanding trade-off.

75% less weight. 100% more innovation.

Analog Devices is helping to solve this challenge with the Automotive Audio Bus® (A2B) digital audio bus technology, which delivers high fidelity audio for automobiles while significantly reducing the weight of existing cable harnesses (by upwards of 75% in key applications) – resulting in improved vehicle fuel efficiency.

Leading automotive manufacturers approached ADI about developing technology that could support multiple microphone arrays in vehicles to enable different applications such as voice recognition, active noise cancellation, and in-car communications.

Traditional implementations for high fidelity audio in automobiles required a large amount of expensive, heavy cabling. ADI set about it a better way – the AD2410 and the A2B solution, which is capable of distributing audio and control data together with clock and power over a single, unshielded, low cost twisted-pair wire.

Greener cars. Superior features. Better designs.

A2B connects multiple remote sensors for different applications in a daisy chain sequence, significantly reducing redundant cabling runs. As a result, the weight of the cable harness is reduced dramatically, while overall design costs and complexity (in design, installation and maintenance) are reduced due to the need for fewer cables. The A2B technology can also supply power to other devices in the daisy chain, eliminating the need for local power supplies and further reducing total system cost.

A better design experience. A better, greener, more dynamic automotive experience. It’s all coming to a highway near you beginning in 2016, when the first A2B-enabled audio systems in automobiles are expected to hit the road.

"As an early implementer of ADI’s A2B, we found the technology to significantly reduce cabling complexity and associated cost and weight of next-generation infotainment systems, key areas of focus for Panasonic’s OEM customers”

– Jonathan Lane, Panasonic Automotive Systems Company of America


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