KX132-1211

KX132-1211 is a tri-axis digital accelerometer. It features a user-configurable 3-stage advanced data path (ADP) consisting of a low-pass filter, low-pass/high-pass filter, and RMS calculation engine. It also features an advanced wake-up and back-to-sleep detection with a high-resolution threshold capability configurable down to 3.9mg, a 512-byte buffer that continues to record data even when being read, as well as embedded engines for orientation, Directional Tap™/DoubleTap™, and Free fall detection. The sensing element is fabricated using Kionix’s proprietary plasma micromachining process technology. Acceleration sensing is based on the principle of a differential capacitance arising from the acceleration-induced motion of the sensing element, which further utilizes common mode cancellation to decrease errors from process variation, temperature, and environmental stress.

• Improved ODR accuracy in low power mode over temperature
• Embedded 512-byte FIFO buffer continues to record data even when being read
• User-selectable low power or high-performance modes
• Internal voltage regulator, digital I²C up to 3.4MHz and digital SPI up to 10MHz
• Excellent temperature performance with high shock survivability
• 0.5% of FS typical non-linearity
• 130µg/√Hz typical density noise
• 2.5V typical supply voltage, 0.5µA typical standby current consumption
• Operating temperature range from -40 to +105°C
• 12-pin LGA package

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