DirectPath 2VRMS Audio Line Driver (TI)

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(TI) today introduced a 2VRMS DirectPath TM audio line driver for the home entertainment applications to suit the application for the size and cost of the strict design requirements. As the latest addition to TI's family of audio amplifiers, this new product offers customers design flexibility with 3.3V operation power, helping to reduce overall system cost and adjusting input gain levels to optimize set-top boxes, HD Performance of TV peripherals such as TV receivers, DVD players, handheld game consoles, and portable media players.

The DRV601 integrates a charge pump in a space-saving 4mm x 4mm package, allowing the complete audio output signal chain to operate from a single 3.3V supply, significantly reducing the number of components required for a 2VRMS ground bias output. In addition, the DRV601 gives designers the flexibility to change input gain, and any audio source can output at 5.6Vpp or 2VRMS.

The DRV601 also has the following key features:
• Wide power range: 1.8V to 4.5V;
• 2VRMS output voltage per channel, capable of driving 600 ohms from a 3.3V supply;
• Independent left and right channel shutdown control;
• Short circuit and thermal protection;
• Instantaneous noise suppression circuit;
• Over 105dB dynamic range.

The DRV601 further enriches TI's high-performance analog and DSP products for home entertainment audio, including audio data converters, Class D and PurePathDigitalTM audio amplifiers, and audio clocks. The DRV601 is ideal for TI's high performance digital to analog converters such as the PCM177x family. TI provides hardware, software, system expertise and support for a complete audio signal chain to help customers accelerate time-to-market.

The DRV601 is available now in a 4mm x 4mm ultra-thin QFN package.

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