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TI Introduces 13-Bit, 250MSPS Analog-to-Digital Converter with Best-in-Class Dynamic Performance

Aug 23, 2005

DALLAS (August 23, 2005) – Texas Instruments Incorporated (TI) (NYSE: TXN) today announced a 13-bit, 250MSPS analog-to-digital converter (ADC) which features best-in-class dynamic performance at high input frequencies. The ADS5444 offers 68dB signal-to-noise ratio (SNR) and 75dB spurious-free dynamic range (SFDR) at the maximum sample rate of 250MSPS and an input frequency of 230MHz, making it ideal for a variety of wideband applications including software-defined radios, base station receivers, and test and measurement systems. (See http://www.ti.com/ads5444-pr.)

The ADS5444 provides a complete solution by including a high-bandwidth input buffer, a linear track-and-hold stage and an internal reference, simplifying system design requirements. The ADC operates from a 5V supply, while providing LVDS-compatible digital outputs from a 3.3V supply. The device is specified over the industrial temperature range of -40C to +85C.

“The ADS5444 successfully extends the industry-leading SNR and SFDR performance achieved by the recently announced ADS5440 13-bit, 210MSPS ADC to even higher sample rates,” said Roberto Sadkowski, business unit manager for TI’s high-speed ADCs.

The ADS5444 is optimized to work with TI’s high-performance TMS320C6x™ DSP platform. TI also has a range of high-speed amplifiers, such as the THS4509 and OPA847, and digital-to-analog converters, such as the DAC5687, which are well suited to work with the ADS5444 to provide a truly state-of-the-art signal chain for wideband applications.

Availability and Packaging

The ADS5444 is sampling now, with volume production scheduled for 4Q 2005. The device comes in an 80-pin TQFP PowerPad™ package and is priced at $95.00 in 1,000 piece quantities (suggested resale pricing). Evaluation modules (EVMs) are also available.

TI offers analog engineers a wide-ranging support infrastructure that includes training and seminars, design tools and utilities, technical documentation, evaluation modules, an online KnowledgeBase, a product information hotline and a comprehensive offering of samples that ship within 24 hours of request. For more information on TI’s complete analog design support, and to download the latest Data Converter Selection Guide, visit www.ti.com/analog.