Серия акселерометров MXD6240AU

Общие характеристики

	Раздел	Акселерометры
	Рабочие оси
	Выходной интерфейс
	Напряжение питания
	Ток потребления
	Рабочая температура

Документация на серию MXD6240AU

Autonomous 8-Angle Tip-Over Sensor with High Vibration Immunity MXD6240/6241AU FEATURES  8 Pin-programmable angle thresholds  Single-wire digital output  Fully autonomous- no uC required  Built-in self-test functionality  Small, 6-pin 3 x 3mm LCC package  Operates from 2.7V to 5.5V Supply  No sensor resonance  Vibration filter: tolerates 20 g p-p @ 50Hz vibration with < 1º incremental angle error  High reliability automotive process  RoHS compliant  Operates from -40 C to +125 C APPLICATIONS : VDD 2-Axis Sensor Trim & Cal Circuits P2 P1 P0 Signal Cond’g &A/D DSP & Hyst. Delay Ref & Bias Gen 3-state Output Driver OUT Clock & Timing Gen GND Motorcycle Fall-Down Detection Off-Road Vehicles Jetski, watercraft Other Tip-Over Detection (Space heaters, Irons, etc) Figure 1. FUNCTIONAL BLOCK DIAGRAM DESCRIPTION: The MXD6240/6241AU uses MEMSIC’s proprietary thermal accelerometer technology. Because the sensing element uses heated gas molecules instead of a mechanical beam structure, the device is extremely robust and reliable, with 50,000g shock tolerance, no possibility of “stiction”, virtually no mechanical resonance, and extremely high accuracy over temperature. This makes the device extremely well suited to harsh or high vibration environments, where other sensors can exhibit false readings due to resonance or other errors. The MXD6240AU output is a logic low under normal operation, and logic high during tip-over; the MXD6241AU uses the opposite output polarity (normally high, low during tip-over). A high-Z output state signifies an internal self-test failure. Both devices operate from a single 2.7V to 5.5V supply, and are packaged in a small 6-pin, 3x3x1 mm LCC package. The MXD6240/6241AU is an inclination sensor with 8 built-in, pin-programmable angle thresholds. If the device orientation with respect to vertical exceeds the programmed threshold angle, the digital output changes state to alert the system to a tip-over or falldown event. An internal anti-vibration filter provides >45dB attenuation above 25Hz, and >60dB attenuation above 50Hz. The MXD6240/6241AU is designed to run autonomously, making it ideal for systems where there is no uC available. One of eight threshold angles (40, 42.5, 45, 50, 55, 60, 65, and 70 degrees) is selected by connecting each of three programming pins to Vdd or Gnd. The threshold accuracy is guaranteed to meet +/-5 degrees (max) over a temperature range of -20C to +80C (Operation is guaranteed over -40C to +125C). A built-in self-test function can detect a fault in the internal sensor, and if triggered will cause the output to go to a high impedance state. Information furnished by MEMSIC is believed to be accurate and reliable. However, no responsibility is assumed by MEMSIC for its use, or for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of MEMSIC. MEMSIC MXC6240/41AU Rev.A (6/27/2016) MEMSIC, Inc. One Technology Drive, Suite 325, Andover, MA 01810, USA Tel: +1 978 738 0900 Fax: +1 978 738 0196 www.memsic.com Page 1 of 6 Formal release date: 8/18/2016  PDF

Документация на MXD6240AU 

Microsoft Word - MXD6240&41AU Datasheet Rev A

Дата модификации: 18.08.2016

Размер: 450.2 Кб

6 стр.

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Товары серии MXD6240AU