LIS244ALTR STMicroelectronics, LIS244ALTR Datasheet
LIS244ALTR
Specifications of LIS244ALTR
Available stocks
Related parts for LIS244ALTR
LIS244ALTR Summary of contents
Page 1
... Table 1. Device summary Order codes LIS244AL LIS244ALTR Note: Tape & Reel parts are compliant to International Standard EIA-481. June 2007 2-axis - ±2g ultracompact linear accelerometer The LIS244AL is capable of measuring accelerations over a maximum bandwidth of 2 ...
Page 2
Contents Contents 1 Block diagram & pins description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 ...
Page 3
LIS244AL 1 Block diagram & pins description 1.1 Block diagram Figure 1. Block diagram a SELF TEST St 1.2 Pin Description Figure 2. Pin Connection X (TOP VIEW) DIRECTION OF THE DETECTABLE ACCELERATIONS X+ CHARGE Y+ AMPLIFIER MUX Y- X- ...
Page 4
Block diagram & pins description Table 2. Pin description Pin # Pin name 4/ Self test (logic 0: normal mode; logic 1: ...
Page 5
LIS244AL 2 Mechanical and electrical specifications 2.1 Mechanical characteristics (Temperature range -40°C to +85°C). All the parameters are specified @ Vdd =3.0V 25°C unless otherwise noted Table 3. Mechanical characteristics Symbol Parameter (3) Ar Acceleration range (5) So ...
Page 6
Mechanical and electrical specifications 2.2 Electrical characteristics (Temperature range -40°C to +85°C) All the parameters are specified @ Vdd =3.0V, T=25°C unless otherwise noted Table 4. Electrical characteristics Symbol Parameter Vdd Supply voltage Idd Supply current Vst Self test input ...
Page 7
LIS244AL 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 ...
Page 8
Mechanical and electrical specifications Self Test allows to test the mechanical and electric part of the sensor, allowing the seismic mass to be moved by means of an electrostatic test-force. The Self Test function is off when the ST pin ...
Page 9
LIS244AL 3 Functionality The LIS244AL is an ultra compact low-power, analog output two-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 ...
Page 10
Application hints 4 Application hints Figure 3. LIS244AL Electrical connection GND Digital signals Power supply decoupling capacitors (100nF ceramic or polyester + 10µF Aluminum) should be placed as near as possible to the device (common ...
Page 11
LIS244AL The tolerance of the internal resistor can vary typically of 32kΩ; thus the cut-off frequency will vary accordingly. A minimum capacitance of 2.5nF for C ( required. load Table 6. Filter Capacitor Selection, C Cut-off frequency 4.1 ...
Page 12
Package information 5 Package information In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a Lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the ...
Page 13
LIS244AL Figure 5. LGA 16: mechanical data & package dimensions mm Ref. Min. Typ. Max. Min 0.160 0.20 D1 3.850 4.0 E1 3.850 4.0 L 0.65 L1 1.95 N 0.98 N1 1.90 T1 0.40 T2 0.30 ...
Page 14
Revision history 6 Revision history Table 7. Document revision history Date 29-Jun-2007 14/15 Revision 1 Initial release LIS244AL Changes ...
Page 15
... LIS244AL Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...