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Integrated analog front end targets photometry market

Mon, 01/07/2013 - 2:33pm

AFEs for photometryTexas Instruments Incorporated (TI) unveiled what is said to be the industry’s first family of fully integrated analog front ends (AFEs) for photometry. According to the company, the AFE44xx family integrates all the front end components and associated timing control circuitry of a typical photometry solution. Applications include clinical and home health pulse oximeters, photometry-based blood glucose meters, and photoplethysmograph-based (PPG) heart rate monitors. By incorporating fully programmable transmitter and receiver circuits into one device, the family is asserted to reduce end equipment manufacturers’ design time, board space and need for in-house analog design expertise compared to discrete solutions. With less than 1-mA supply current, the AFE44xx family consumes less power than discrete solutions, which results in longer battery life, according to the company. The family enables desirable measurement performance, even in ambient light settings. This family is presented as enabling smaller, more portable traditional photometry solutions, and it addresses the emerging market of wireless and smart connected pulse oximeter accessories.

Texas Instruments
800-477-8924, www.ti.com

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