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LIS2L02AQ Datasheet(PDF) 1 Page - STMicroelectronics |
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LIS2L02AQ Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 9 page 1/9 LIS2L02AQ November 2004 1 FEATURES ■ 2.4V TO 5.25V 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 LIS2L02AQ is a dual-axis linear accelerometer 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 LIS2L02AQ 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 both the X and Y axis. The device bandwidth may be reduced by using external capacitances. A self-test capability al- lows the user to check the functioning of the system. The LIS2L02AQ is available in plastic SMD package and it is specified over a temperature range extend- ing from -40°C to +85°C. The LIS2L02AQ 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 – Virtual reality input devices – Antitheft systems and Inertial Navigation – Appliance Control and Robotics INERTIAL SENSOR: 2Axis - 2g/6g LINEAR ACCELEROMETER Figure 2. Block Diagram DEMUX S/H CHARGE AMPLIFIER S/H MUX S1X S1Y S2X S2Y Voutx Vouty Routx Routy rot VOLTAGE & CURRENT REFERENCE TRIMMING CIRCUIT & CLOCK & PHASE GENERATOR TEST INTERFACE Figure 1. Package Table 1. Order Codes Part Number Package LIS2L02AQ QFN-44 QFN-44 Rev. 3 |
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