Обзор

Особенности и преимущества

  • High performance, z-axis digital output accelerometer
  • ±14.2 g full-scale range at 16-bit resolution (0.434 mg/LSB)
  • 2 kHz output sample rate with optional data FIFOs
  • Programmable filter response
    20 Hz, 46 Hz, 92 Hz, 184 Hz
  • Continuous electromechanical self test
    Additional key-on and on demand self test routines
  • Z-axis offset adjust
  • Low quiescent current draw
  • High linearity performance
  • Qualified for automotive applications
  • −40°C to +105°C temperature range

Подробнее о продукте

The ADXL701 device is a high precision, single z-axis accelerometer designed for vehicle rollover detection and other high performance applications. The ADXL701 provides offset stability to better than ±500 mg and sensitivity stability to better than 5% across the entire temperature range. The ADXL701 is designed with selectable −3 dB filter corner frequencies to satisfy a range of applications, and the 2 kHz output data rate allows sufficient oversampling of the acceleration information.

The acceleration data output from the device is a true 16-bit word and is contained in a 32-bit SPI transaction. The SPI interface contains additional fault detection bits and data formatting bits designed to assist high reliability applications. SPI communications are compatible up to 8 MHz. The 16-bit acceleration data-word offers a resolution of 0.434 mg/LSB for the ±14.2 g full-scale range of the device.

The ADXL701 is available in an SOIC package with an inverted paddle for improved EMI/RFI robustness. The ADXL701 operates at nominal power supplies of 3.3 V and 5 V, and is specified to operate across the full automotive temperature range of −40°C to +105°C.

Applications
  • Vehicle rollover detection
  • Platform stabilization/leveling
A short-form datasheet for this product is available for download from this web page. For complete documentation and additional support, please contact your local Analog Devices sales office.

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Данный продукт выпущен на рынок. Техническое описание содержит окончательные характеристики и рабочие параметры продукта. Для новых разработок ADI рекомендует применение данных продуктов.

Ресурсы проектирования

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