Healthcare ICs
Volume 9, Issue 8 YOUR SEMICONDUCTOR SOLUTIONS RESOURCE

C o n t e n t s

Industry's First Single Package USB Isolation Solution >>

Octal Ultrasound Receivers Integrate I/Q Demodulation >>

Current-to-Digital Converter Outperforms All Open Market CT Scanner ICs >>

Low Cost Solutions for Heart Rate Monitors >>

Low Power Solutions Enable Highly Accurate Portable Blood Analyzers >>

Optimize Design Criteria of Portable Holter Monitors >>

Industry-Leading Technologies in Battery-Operated ECG Monitors >>

Flexible, Affordable IC Solutions for User-Friendly Activity Monitors >>

AVNET

All prices in this bulletin are in USD in quantities greater than 1000 (unless otherwise noted), recommended lowest grade resale, FOB U.S.A.

Analog Devices
Flexible, Affordable IC Solutions for User-Friendly Activity Monitors

Activity monitors are used for a variety of patient monitoring and health and wellness applications. Elder care facilities monitor general activity levels of residents, as well as any episodes such as a fall that would require a quick response. Health and fitness enthusiasts track activity levels using simple pedometers, as well as sophisticated exercise equipment that can monitor vital signs such as heart rate and temperature, in addition to physical activity level. These devices must be lightweight and easy to use while maintaining accurate and reliable data. Battery life and system cost are key considerations. ADI offers innovative sensor and sensor interface technologies for activity monitoring devices as shown in the table below.

Part
Number		 Description Function Price
($U.S.)
ADXL345 Low power inertial sensor Motion 3.04
AD5933 1 MSPS, 12-bit impedance-to-digital converter Body fat 6.73
AD7746 24-bit capacitance-to-digital converter Respiration/
sweat		 5.01
AD8235 40 µA micropower instrumentation amplifier HRM 1.59
ADT7310 0.5°C accurate SPI digital temperature sensor Temperature 1.95
ADF7023 Low power transceiver Wireless
communications		 2.88
ADuC7060 Low power precision analog microcontroller Processor 4.70
ADSP-BF524 Low power Blackfin processor Processor Contact ADI
AD7147A CapTouch programmable controller for capacitance sensing User interface 1.25

Analog Dialogue technical article: "Detecting Human Falls with a 3-Axis Digital Accelerometer" www.analog.com/analogDialogue/43-07

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