LIS302ALK STMicroelectronics, LIS302ALK Datasheet
LIS302ALK
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LIS302ALK Summary of contents
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... The LIS302ALK is available in plastic Thin Land Grid Array package (TLGA) and it is guaranteed to operate over an extended temperature range from -40°C to +85°C. The LIS302ALK belongs to a family of products suitable for a variety of applications: – Mobile terminals – Gaming and Virtual Reality input devices – ...
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... Mechanical and electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . 5 2.1 Mechanical characteristics 2.2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.3 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.4 Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3 Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.1 Sensing element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.2 IC interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.3 Factory calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4 Application hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4.1 Soldering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.2 Output response vs. orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2/14 LIS302ALK ...
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... LIS302ALK 1 Block diagram Figure 1. Block diagram a SELF TEST 1.1 Pin description Figure 2. Pin connection X Y (TOP VIEW) DIRECTION OF THE DETECTABLE ACCELERATIONS X+ CHARGE Y+ AMPLIFIER Z+ MUX TRIMMING CIRCUIT REFERENCE Z 1 Block diagram Routx S/H Routy DEMUX S/H Routz S/H CLOCK res 13 1 res ...
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... Connect to Gnd ST Self Test (Logic 0: normal mode; Logic 1: Self-test) PD Power Down (Logic 0: normal mode; Logic 1: Power-Down mode) Voutx Output Voltage X channel Vouty Output Voltage Y channel Voutz Output Voltage Z channel GND 0V supply Leave unconnected Connect to Gnd Vdd Power supply Connect to Vdd LIS302ALK Function ...
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... LIS302ALK 2 Mechanical and electrical specifications 2.1 Mechanical characteristics. Table 2. Mechanical characteristics All parameters are specified @ Vdd =3.3V 25°C unless otherwise noted Symbol Parameter (3) Ar Acceleration range (4) So Sensitivity Sensitivity change Vs SoDr Temperature (4) Voff Zero-g level Zero-g level change OffDr Vs Temperature (5) NL ...
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... Minimum resonance frequency Fres=2.0kHz. Device bandwidth=1/(2*π*32kΩ*Cload) 6/14 (1) Test Condition Min. mean value PD pin connected to GND PD pin connected to Vdd Logic 0 level at Vdd=3.3V 0 Logic 1 level at Vdd=3.3V 2.0 2.5 Cload in μF -40 LIS302ALK (2) Typ. Max. Unit V 0. µA 0.8 V Vdd V 32 kΩ ...
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... LIS302ALK 2.3 Absolute maximum ratings Stresses above those listed as “absolute maximum ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device under these conditions is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability ...
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... When interfacing with an ADC it is important to use high input impedance input circuitries to avoid measurement errors. Note that the minimum load capacitance forms a corner frequency close to the resonance frequency of the sensor. In general the smallest possible bandwidth for a particular application should be chosen to get the best results. 8/14 LIS302ALK ...
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... LIS302ALK 3 Functionality The LIS302ALK is an “piccolo” low-power, analog output three-axis linear accelerometer packaged in a LGA package. The complete device 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. ...
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... Power supply decoupling capacitors (100nF ceramic or polyester + 10µF Aluminum) should be placed as near as possible to the device (common design practice). The LIS302ALK allows to band limit Voutx, Vouty and Voutz through the use of external capacitors. The recommended frequency range spans from 2.0kHz. Capacitors must be added at output pins to implement low-pass filtering for antialiasing and noise reduction ...
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... Pin1 indicator is electrically connected to pin 1. Leave pin 1 indicator unconnected during soldering. Land pattern and soldering recommendations are available at www.st.com/mems. 4.2 Output response vs. orientation Figure 4. Output Response vs. Orientation X=1.65V (0g) Y=2.13V (+1g) Z=1.65V (0g) Note: Figure 4 refers to LIS302ALK powered at 3.3V. (x,y,z) load 100 Hz 200 Hz 500 Hz X=1.17V (-1g) Y=1 ...
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... LGA14 (3x5x0.92mm) Pitch 0.8mm 0.100 0.0039 0.100 0.0039 LIS302ALK OUTLINE AND MECHANICAL DATA Land Grid Array Package 7773587 C ...
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... LIS302ALK 6 Revision history Table 6. Document revision history Date 30-Oct-2006 Revision 1 Initial release. Revision history Changes 13/14 ...
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... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 14/14 Please Read Carefully: © 2006 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com LIS302ALK ...