Integration of biological and medical electronic equipment, electronic technology has become an important disease prevention, clinical treatment, patient care and personal health care and medical aid, so that the semiconductor technology in medical electronics applications shine. Global population growth and population aging accelerates, rising health care costs, and rapid economic development and health awareness becomes stronger, also keep consumers to consider new medical electronic equipment needs to increase. Health care products to become the post-PC products and communication equipment semiconductor company effort to build another revolutionary technology applications.

According to statistics, the global medical equipment compound annual growth rate of 11% or a hand-held portable ultrasound systems market, the compound annual growth rate of 19.2%, to reach 330 million U.S. dollars in 2010. Thus, ultrasound / medical imaging is the highlight of the development of medical electronics, of course, this is the major semiconductor manufacturers eyeing competing to seize the market, so as not to miss the opportunity. As the semiconductor giant Texas Instruments (TI) Zenken turn a blind eye to face this big cake, so the launch of TI in the recent series of the corresponding products to meet market demand.

Medical ultrasound systems being high integration, high performance, low power, multi-functional and portable development, design increasingly complex analog front-end receiver circuit also put forward higher requirements. How according to the system requirements on the analog front-end, from the system level to optimize the relevant parameters, integrated LNA, VCA, PGA, reduce outside interference and improve system performance, and could well meet the system requirements? TI launched a fully integrated simulation Front AFE58xx series will solve these problems, helping manufacturers to reduce system costs, promote new Jishu’s formation, which raise their innovative quality ultrasound systems.

AFE5805 integrates eight channels, including low-noise amplifier (LNA), voltage controlled attenuator, programmable gain amplifier, low pass filter, and support 12-bit LVDS data output 50 MSPS ADC. The analog front-end integration of this greatest advantage is to avoid the interference of external signals. AFE5805 using 15 mm x 9 mm package, the size of the existing solutions to about half. In addition, by reducing the component count, AFE5805 to 122 mW per channel power efficiency to reduce power consumption by as much as 20%, while its closest competitor-noise ratio performance is even lower 40%. AFE5805 at 2 MHz frequency noise of only 0.85 nV / rtHz, its performance can not only meet the needs of portable devices, can satisfy the high channel density, medium-range ultrasonic systems.

Previously, TI also introduced the new 8-channel ADC ADS5281 10-12 bit range, high resolution, high sampling rate (up to 65MSPS), low noise and outstanding features such as advanced digital features, such as portable ultrasound and MRI imaging devices such as sensitive as play a crucial role.

In the vast demand driven by new medical electronic equipment will continue to emerge. Future portable / consumer miniaturization of medical devices, mobile devices such trends driving the semiconductor’s different depending on the application of a more accurate, higher performance or lower power consumption, higher integration development. TI also said that promising medical electronics markets, will spare no effort in the development of related technologies, and promote their development to meet consumer demand for medical equipment.

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