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THREE-AXIS ACCELERATION SENSORS

TOREX is using its established Hall IC competence to supply MEMS-based acceleration sensors.

The resulting three-axis acceleration sensor has an I2C interface and an integrated 12-bit ADC and can be operated with a voltage of 2.2 V to 3.6 V. Low power today is a matter of course and with this in mind the chip has been designed to use just 1 µA in shutdown mode and less than 5 µA in standby. Various measuring modes are also possible. In addition to individual and repeat acceleration measurements, the measuring range can also be selected. The device also has a special function to prevent incorrect “free fall” detection. Since the detection of a “free fall” event is extremely important, however, and this should not be dependent on the digital interface the chip has its own output pin to display this. Other features include High-G detection and an integral temperature sensor. Mention should also be made of its small dimensions at just 2.9 mm x 2.9 mm x 0.9 mm. The chip is already available and samples can be requested from us at any time.

TOREX can also provide assistance if an application does not provide a digital interface for data transport purposes. A sensor with direct analog outputs is also being planned and will be available before the end of 2010.

For further information just give us a call!

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