Audio chips are sound answer for navigation

The WM8711 stereo DAC and WM8971 stereo codec provide TomTom with high quality audio output for its in-car navigation systems.

Wolfson Microelectronics has shipped more than 1.5 million devices to TomTom, the leading in-car navigation solution provider.

Wolfson's WM8711 stereo DAC and WM8971 stereo codec provide TomTom with its high quality audio output across the GO 300, 500 and 700 ranges.

"The primary criterion for selection was the quality of the sound achievable", commented Mark Gretton, Development Director at TomTom.

"TomTom users are generally in noisy automotive environments so we needed to select devices that gave a clear, exceptionally high quality output for both music and the spoken word in multiple languages".

"The Wolfson devices scored highly on every level".

According to Yan Goh, Product Marketing Manager for Wolfson, the devices selected were designed specifically with portable digital audio applications in mind.

He said: "Wolfson designers are passionate about creating devices that provide the user with an outstanding audio experience no matter what the application".

"These devices offer TomTom low power, high quality audio and we are delighted to be working with them".

The WM8971 is a low power stereo codec, which integrates complete interfaces to stereo or mono microphones and a stereo headphone.

External component requirements are drastically reduced as no separate microphone or headphone amplifiers are required.

The WM8711 is a low power complete replay-only DAC and includes an analogue input path through to a volume control and headphone driver for sources such as external tuners or microphones.

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