TI introduces industry's first SAR ADC with SPICE model

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^{Published in Science and Technology on Monday, May 21st 2012 at 5:47 GMT by Market Wire}  

TI introduces industry's first SAR ADC with SPICE model -- DALLAS, May 21, 2012 /PRNewswire/ --

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Model enables designers to quickly simulate, model and test the full analog signal chain

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DALLAS, May 21, 2012 /PRNewswire/ -- Texas Instruments Incorporated (TI) (NASDAQ: [ TXN ]) today introduced a successive-approximation-register (SAR) analog-to-digital converter (ADC) with a downloadable TINA-TI™ SPICE model, enabling system designers to simulate and characterize the full analog signal chain in software for the first time. The model is available for the new 12-bit, 1-MSPS, 8-channel ADS8028, a highly-integrated SAR ADC featuring a low-drift internal voltage reference, wide external analog voltage reference range, wide analog and digital supply ranges, and an internal temperature sensor. For more information, visit [ www.ti.com/ads8028-pr ].

Designers could previously only simulate, model and test up to the SAR ADC, requiring them to invest time and resources building the ADC circuit in hardware. With a downloadable [ TINA-TI SPICE model ] available for all new SAR ADCs, designers will be able to fully verify ADC driving circuitry, enabling them to speed product development.

Key features and benefits of the ADS8028

• Tools to simulate and evaluate quickly: TINA-TI [ reference design ] and product [ evaluation module ] (EVM) include the [ OPA836 driver amplifier ] for fast software simulation and hardware evaluation.
• Integration to reduce board space, bill of materials: Integrates an internal 2.5-V reference, +1 degree Celsius accurate temperature sensor and internal multiplexer with sequencer; it also eliminates the need for an external decoupling capacitor.
• Widest supply ranges provide greater power supply flexibility: 3x wider analog supply range of 2.7 V to 5.25 V, 80-percent wider digital supply range of 1.65 V to 5.25 V and 2.5x wider external reference range of 1 V to 5 V, compared to the competition.
• Low power consumption, small size for battery-powered, space-constrained designs: Consumes a maximum of 36 microWatts in power-down mode across a wide operating temperature range of -40 C to 125 C in a small 4-mm x 4-mm package to support battery-powered, space-constrained designs.
• Feature set supports diverse applications: Low power consumption, wide temperature and supply ranges, and a high level of integration enable use in a wide variety of applications, including portable consumer electronics, wireless infrastructure and industrial equipment.

Tools and support
In addition to the [ TINA-TI SPICE model ], an [ IBIS model ] is available to verify board signal integrity requirements. The [ ADS8028EVM-PDK ] is also available to expedite evaluation of the new ADC. It can be ordered today for US$199.

Availability, packaging and pricing
The ADS8028 is available today in a 4-mm x 4-mm QFN package for a suggested retail price of US$3.25 in 1,000-unit quantities.

Learn more about TI's [ data converter ] portfolio by visiting the links below:

• Order ADS8028 samples: [ www.ti.com/ads8028s-pr ].
• Buy the ADS8028EVM-PDK: [ www.ti.com/ads8028evm-pdk-pr ].  
• Download the data sheet: [ www.ti.com/ads8028ds-pr ].
• Download the free TINA-TI client from the WEBENCH® Design Center: [ www.ti.com/tina-ti-pr ].
• Ask questions, help solve problems in the Precision Data Converter forum in the TI E2E™ Community: [ www.ti.com/e2epdc-pr ].
• Follow what TI signal chain experts have to say on our blog: [ www.ti.com/analogwire-pr ].
• Download a news release graphic at: [ www.ti.com/newscenterphotos-pr ].

About Texas Instruments
Texas Instruments semiconductor innovations help 90,000 customers unlock the possibilities of the world as it could be – smarter, safer, greener, healthier and more fun.  Our commitment to building a better future is ingrained in everything we do – from the responsible manufacturing of our semiconductors, to caring for our employees, to giving back inside our communities.  This is just the beginning of our story.  Learn more at [ www.ti.com ].

Trademarks
TI E2E, TINA-TI and WEBENCH are trademarks of Texas Instruments. All other trademarks and registered trademarks belong to their respective owners.

SOURCE Texas Instruments Incorporated

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