Industry"s Highest Performance Audio Volume Control ICs From TI Target Professional Audio Applications

TUCSON, Ariz., April 9 /PRNewswire/ -- Texas Instruments (TI) Incorporated (NYSE: TXN - news) today introduced the industry"s highest performance audio volume control ICs (Integrated Circuits) from the company"s Burr-Brown product line designed for a wide variety of professional and high-end consumer audio applications. (See www.ti.com/sc/rd/sc02062 ).

The two-channel PGA2311 and four-channel PGA4311 are digitally-controlled analog audio volume control ICs, which offer independent control over two or four audio channels, respectively, via a serial interface. Featuring 120dB dynamic range, 0.0002 percent THD+N, -130dB interchannel crosstalk, 2.5uVrms output noise and operation from +/-5V analog power supplies, the devices improve system performance in audio amplifiers, mixing consoles, multi-track recorders, broadcast studio equipment, high-end A/V receivers, effects processors, musical instruments and high-end car audio systems.

"Our new audio volume control ICs offer the highest performance in the industry, and are a perfect match for today"s demanding audio applications,"" said Mike Centorino, professional audio marketing manager of TI"s Burr-Brown product division.

Incorporating internal high-performance operational amplifiers, the PGA2311 and PGA4311 yield low noise and distortion while providing the capability to drive 600-ohm loads directly without buffering. A three-wire serial control interface allows for connection to a variety of host controllers and supports daisy chaining of multiple PGA2311 and PGA4311 devices. Other features include a wide gain and attenuation range of +31.5dB to -95.5dB with 0.5dB steps, zero crossing detection and a mute function.

Available Today

The two-channel PGA2311 is packaged in a DIP-16 and SOL-16 and priced from $4.95 in 1,000 piece quantities (suggested resale pricing). The four-channel PGA4311 is packaged in an SOP-28 and priced from $8.95 in 1,000 piece quantities (suggested resale pricing).

Texas Instruments Incorporated provides innovative DSP and analog technologies to meet our customers" real world signal processing requirements. In addition to Semiconductor, the company"s businesses include Sensors & Controls, and Educational & Productivity Solutions. TI is headquartered in Dallas, Texas, and has manufacturing, design or sales operations in more than 25 countries.

Texas Instruments is traded on the New York Stock Exchange under the symbol TXN. More information is located on the World Wide Web at www.ti.com .

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