Triple Video Amplifier offers HV sync capabilities.

Press Release Summary:




Providing 2.7-5 V single-supply operation, Model THS7327 integrates 3 analog video channels and 2 digital channels for HV sync while handling analog RGB and digital HV sync signals on single chip. Each channel with integrated programmable filter provides unity gain buffer for input into video decoder or video ADC. Monitor pass-through includes 6 dB gain output buffer with SAG correction capability, bandwidth of 500 MHz, and slew rate of 1300 V/µs.



Original Press Release:



TI Introduces Industry's First Triple Video Amplifier with Integrated Filters and HV Sync Capability



High Integration Simplifies Design, Saves Board Space and System Cost

DALLAS (Oct. 24, 2006) - Texas Instruments Incorporated (TI) (NYSE:TXN) today introduced the first video amplifier with integrated filters that is capable of handling both analog RGB signals and digital horizontal and vertical (HV) sync signals on a single chip. The new device saves up to 80 percent board space when compared to traditional amplifier solutions for video projectors, professional video, broadcast video, computer display, traditional and digital TV systems. In addition, designers benefit from improved performance and maximum flexibility via I2C programmability of all functions. (www.ti.com/sc06174).

The THS7327 integrates three analog video channels and two digital channels for HV sync, greatly simplifying systems design and reducing component count. The three analog channels incorporate unity gain buffering and monitor feed-through paths to handle all standard video formats, including RGB, YPbPr and CVBS. Designers gain flexibility with the amplifier's I2C-programmable functions including: integrated two-to-one input multiplexers to enable switching of multiple video sources; fifth-order antialiasing filters to enable use with multiple video standards; and input bias modes including DC, DC plus level shift, AC and AC sync tip clamp to enable interfacing to multiple video sources.

The programmable filters and input bias modes provide all the common analog signal conditioning requirements for implementation of the following standards, while eliminating the need for more than 20 external components:

· 9-MHz filter for SDTV video including CVBS, S-Video and 480i/576i

· 16-MHz filter for EDTV 480p/576p and VGA signals

· 35-MHz filter for HDTV 720p/1080i and SVGA signals

· 75-MHz filter for HDTV 1080p and XGA/SXGA signals

· For UXGA/QXGA RGB signals, the filters can be bypassed to provide 500-MHz bandwidth and 1150-V/µs slew rate amplifiers to buffer the signals

Each analog channel with an integrated programmable filter provides a unity gain buffer for input into a video decoder or video analog-to-digital converter (ADC) and a separate path without a filter for monitor pass-through. The monitor pass-through includes a 6-dB gain output buffer with SAG correction capability, bandwidth of 500-MHz and slew rate of 1300-V/ µs. Manufactured in TI's proprietary BiCom3 complementary bipolar silicon germanium process, the THS7327 offers 2.7-V to 5-V single-supply operation, which results in power savings of up to 50 percent by eliminating the negative supply required by traditional designs.

The THS7327 device joins TI's extensive offering of high-performance analog and digital signal processor (DSP) products for video applications, including DaVinci(TM) processors optimized for digital video systems, the TVP7000/1 triple 8/10-bit video ADC, and DLP® technology. TI provides the silicon, software, systems expertise and support for customers' video designs, enabling them to accelerate market entry. For more information on TI's video products, see the Video and Imaging Solutions Guide at www.ti.com/video.

Pricing and Availability

The THS7327 video amplifier is available now in a Lead (Pb)-Free and RoHS-compliant 48-pin TQFP package from TI and its authorized distributors. Suggested resale pricing in quantities of 1,000 is $3.35. A complete evaluation module is also available for $199 each.

About Texas Instruments

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 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

Please refer all reader inquiries to:
Texas Instruments Incorporated
Semiconductor Group, SC-06174
Literature Response Center
14950 FAA Blvd.
Fort Worth, TX 76155
1-800-477-8924

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