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LIS3L02AQ Arkusz danych(PDF) 1 Page - STMicroelectronics |
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LIS3L02AQ Arkusz danych(HTML) 1 Page - STMicroelectronics |
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1 / 9 page  1/9 LIS3L02AQ November 2004 1 FEATURES ■ 2.4V TO 3.6V SINGLE SUPPLY OPERATION ■ 0.5mg RESOLUTION OVER 100Hz BW ■ 2g/6g USER SELECTABLE FULL-SCALE ■ OUTPUT VOLTAGE, OFFSET AND SENSITIVITY RATIOMETRIC TO THE SUPPLY VOLTAGE ■ FACTORY TRIMMED DEVICE SENSITIVITY AND OFFSET ■ EMBEDDED SELF TEST ■ HIGH SHOCK SURVIVABILITY 2DESCRIPTION The LIS3L02AQ is a low-power three-axis linear ac- celerometer that includes a sensing element and an IC interface able to take the information from the sensing element and to provide an analog signal to the external world. The sensing element, capable to detect the acceler- ation, is manufactured using a dedicated process called THELMA (Thick Epi-Poly Layer for Microactu- ators and Accelerometers) developed by ST to pro- duce inertial sensors and actuators in silicon. The IC interface instead is manufactured using a CMOS process that allows high level of integration to design a dedicated circuit which is trimmed to better match the sensing element characteristics. The LIS3L02AQ has a user selectable full scale of 2g, 6g and it is capable of measuring accelerations over a maximum bandwidth of 4.0 KHz for the X and Y axis and 2.5KHz for the Z axis. The device band- width may be reduced by using external capacitanc- es. A self-test capability allows the user to check the functioning of the system. The LIS3L02AQ is available in plastic SMD package and it is specified over a temperature range extend- ing from -40°C to +85°C. The LIS3L02AQ belongs to a family of products suit- able for a variety of applications: – Motion activated functions in mobile terminals – Gaming and Virtual Reality input devices – Free-fall detection and Data protection – Antitheft systems and Inertial Navigation – Appliance Control and Robotics INERTIAL SENSOR: 3Axis - 2g/6g LINEAR ACCELEROMETER Figure 2. Block Diagram DEMUX S/H CHARGE AMPLIFIER S/H MUX S1Y S1Z S2Y S2Z Voutx Voutz Routx Routz VOLTAGE & CURRENT REFERENCE TRIMMING CIRCUIT & CLOCK & PHASE GENERATOR TEST INTERFACE S/H Vouty Routy rot S1X S2X Figure 1. Package Table 1. Order Codes Part Number Package LIS3L02AQ QFN-44 QFN-44 Rev. 4 |
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