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Audio receiver offers low jitter performance

Posted: 09 Mar 2007 ?? ?Print Version ?Bookmark and Share

Keywords:receiver? DAC? audio interface? TI? MCU?

Texas Instruments Inc. (TI) has introduced a 24bit, 96kHz digital audio interface receiver that delivers a jitter performance as low as 50ps RMS, said to be four times better than the nearest standalone receiver.

According to the company, the DIR9001 allows the designer to control all functionality through the device's hardware control pins, eliminating the need for an external MCU. Additionally, the DIR9001 integrates a high-performance PLL to not only improve jitter performance but also to remove the need for an external clock source when the sample frequency calculator is not used. Both features reduce the overall system cost by eliminating additional system components that competing digital audio interface receivers typically require.

In addition, the DIR9001 reduces the number of external components required and enhances sound quality in applications such as AV/DVD receivers and amplifiers, automotive audio systems, DTVs, musical instruments, recording systems and high-performance PC audio interfaces.

The jitter performance of DIR9001 makes it a suitable data and clock source for TI's DAC products, such as the PCM1792A. The DIR9001 also complements the company's wide range of S/PDIF and sample rate conversion (SRC) technologies for consumer and professional audio applications. The receiver operates over a wide temperature range from -40&176;C to 80&176;C.

The DIR9001 is available in a 28-pin TSSOP Pb-free package and is priced at $1.95 each in 1,000-piece quantities. Samples are available to ship within 24hrs of request.

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Related Datasheets
Part Number Description Category
? DIR9001 96 kHz, 24-Bit Digital Audio Interface Receiver Passives - Filters, Oscillators and Resonators



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