Honeywell's
HMC5843 3-Axis Compass IC
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 The Honeywell HMC5843 3-Axis Electronic Compass improves accuracy of location readings in mobile phones, personal navigation devices, portable auto navigation systems and game controllers. Featuring I2C serial bus interface for high volume applications, this new 3-axis compass IC will increase functionality in consumer electronics by providing expanded direction awareness when overlaid on GPS enabled maps, utilizing magnetic sensors to add compassing, pointing and heading. The HMC5843 offers a precision 3-axis magnetic sensor trio coupled to a 12-bit ADC with an I2C output in a miniature surface mount package.
The IC offers a more inclusive product for design engineers who need more than an analog output magnetic sensor and who need to utilize an existing microprocessor for compass algorithms. The inclusion of the sensor conditioning electronics, 12-bit A/D and the I2C digital output, with Honeywell's high accuracy magnetic sensors in the new HMC5843, also eases implementation of a compassing function into consumer products. Used with a MEMS accelerometer, the whole system becomes capable of performing applications like electronic map orientation, vehicle dead reckoning, location-based services, and pedestrian navigation (pedometry-based dead reckoning).
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| Product Benefits and Features |
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3 axis magnetic sensors and an ASIC in a single package |
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Includes support electronics, including set reset and A/D converter to ease implementation into customer product designs |
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I2C serial bus interface |
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Digital Output format used in most high volume applications |
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12-bit analog-to-digital converter |
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Complete sensor-to-digital interface solution. Brings more field resolution than competitive offerings. |
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Offset cancellation |
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Permits automatic bridge offset cancellation and de-gaussing, eliminating extra firmware subroutines |
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4 x 4 x 1.3 mm QFN package |
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Small size, easy to assemble & compatible with high speed SMT assembly |
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1.8V digital, 2.5V analog |
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Allows for single or dual supply operation for flexibility into system designs |
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Low power; sleep, standby & operating mode |
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Low power consumption with sleep, standby and operating modes. |
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Lead free construction |
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RoHS compliant |
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For
Customer Service assistance, please call
1-800-323-8295.
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