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Zero Drift, Full Swing Operational Amplifier (maxim) by sgbvdf asga
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Zero Drift, Full Swing Operational Amplifier (maxim) |
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Business,Business News,Business Opportunities
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Maxim introduced zero-drift, full-swing op amp MAX9617/MAX9618 *. 6-pin device SC70 (single) and 8-pin SC70 (dual channel) package, and reduce the program size can be achieved while the precision and excellent low noise performance. In addition, MAX9617/MAX9618 low power consumption for the industry, can be used for a new generation of portable medical equipment. Proprietary BiCMOS process technology and patent-pending design architecture allows the device also has the excellent size, power and precision performance.
MAX9617/MAX9618 operate from 1.8V to 5.5V design Power supply , Ideal for high precision and low quiescent current requirements of a variety of portable medical equipment. Device also is ideal for industrial applications, such as: the need for low power and high accuracy loop power supply system.
Breaking the shackles: moving up to medical equipment
Medical technology and medical care costs, and promotes self-care to the direction of clinical change. From the pulse oximeter to the ECG imaging, clinical laboratory diagnostic location is gradually from the doctor's office or the family transfer. In this trend, driven by domestic medical equipment market is expected to 15 billion U.S. dollars in 2009 Electronic Equipment based on consumption, will in the next five years to achieve a 9% compound annual growth rate **.
The challenges of miniaturization One of the difficulties system designers face is to weigh 50 pounds or more often reduced to less than 10 pounds of equipment, portable form factor. In addition, equipment costs must be reduced in order to facilitate the promotion and the need to minimize device power consumption, in order to achieve Battery Supply work. As the medical equipment related to the safety of the designers to meet the demand, must not degrade performance.
High precision and low noise on critical medical equipment
With high precision and low noise performance of the operational amplifier is a high sensitivity of the key components of medical devices. For example ECG, electrocardiogram must be able to be placed on the skin through electrodes measure electrical signals generated by the heart. Analog front-end needs of these very small signals (0.1mV to 6mV) with electrical noise from the isolate human environment, these electrical noise often have 300mV and 1.5V DC bias of the common-mode component. In addition, the useful signal of the low frequency region (0.05Hz to 150Hz) on the power line (50Hz) on the noise and other sources of electromagnetic interference is very sensitive.
Preamplifier physiological signal must be amplified thousands of times, showing that Monitors , So that the amplifier must have very high CMRR; very low input offset voltage, bias current and input voltage noise; and as small as possible in the 1 / f noise.
Patent-pending technology to achieve industry-leading speed / power ratio
Maxim's auto-zero technology (patent pending) to MAX9617/MAX9618 meet all performance requirements, and has the lowest power consumption and smallest package size, ideal for portable medical equipment. This patent-pending technology can achieve 10? V (max) input offset voltage and 1? VP-P's input voltage noise (0.1Hz to 10Hz). Devices with extremely low 1 / f noise, can easily achieve accurate low frequency measurement and active Filter Design optimization. In addition, MAX9617/MAX9618 have a very low (5nV / ° C, typical) input offset voltage drift, the device's accuracy is not affected by time and temperature change.
Device quiescent current per channel amplifier is only 59? A, extending the portable devices Battery Life. The 1MHz bandwidth of greater than or equal to similar "zero drift" Operational Amplifier competing products typically consumed more than 10 times the quiescent current. Industry-leading speed / power ratio makes MAX9617/MAX9618 suitable for a variety of applications, and will not affect the customer's power budget. I am an expert from China Toys Suppliers, usually analyzes all kind of industries situation, such as best brush cutter , rotary brush cutter.
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