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ADCs powered from a single 3.3 V supply rail

Wed, 07/14/2010 - 10:52am
WM8789Wolfson Microelectronics has today announced the introduction of its latest analog-to-digital converters (ADCs), the WM8788 and WM8789, both of which deliver world-class audio to leading home entertainment applications.

As the latest additions to Wolfson’s compelling range of leading audio devices, both the WM8788 and WM8789 are the highest performing stereo audio ADCs available in small 16-pin packages and deliver crystal clear audio which dramatically improves the audio performance of LCD televisions, DVD players and recorders, Blu-ray players and set-top box applications.

Both high performance ADCs are powered from a single 3.3V supply rail and feature a pair of stereo analog audio inputs for capturing line level inputs in the 1 Vrms range with SNR performance of 106 dB SNR and 93 dB of THD+N. Input signals greater than 1Vrms are captured by configuring external resistors. Additionally, the WM8789 features an extra pair of stereo analog inputs.

The hi-fi ADCs output 16-, 20- or 24-bit stereo data on the digital audio interface and operate in both master and slave modes. Both devices feature a digital high-pass filter for noise and DC offset removal and also supports audio sample rates from 8 kHz to 192 kHz, while master clock ratios of 128 fs up to 768 fs are possible (fs = sample rate).

David Brown, Wolfson’s Product Line Manager for Audio Amplifiers and Converters, said: “We are leaders in delivering crystal clear world-class audio to the consumer electronics market, and the WM8788 and WM8789 are ideal for many of the world’s leading home entertainment applications.”

Availability

The WM8788 and the WM8789 are both available for sampling now in 16-pin TSSOP packages, priced at $1.30 in 1K volume.

WM8788 and WM8789 customer evaluation boards are available to aid device evaluation and development.

For more information about Wolfson Microelectronics, please visit: http://www.wolfsonmicro.com

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