ADXL202AQC Analog Devices Inc, ADXL202AQC Datasheet
ADXL202AQC
Specifications of ADXL202AQC
Available stocks
Related parts for ADXL202AQC
ADXL202AQC Summary of contents
Page 1
FEATURES 2-Axis Acceleration Sensor on a Single IC Chip Measures Static Acceleration as Well as Dynamic Acceleration Duty Cycle Output with User Adjustable Period Low Power <0.6 mA Faster Response than Electrolytic, Mercury or Thermal Tilt Sensors Bandwidth Adjustment ...
Page 2
ADXL202/ADXL210–SPECIFICATIONS Parameter SENSOR INPUT 1 Measurement Range Nonlinearity 2 Alignment Error Alignment Error 3 Transverse Sensitivity SENSITIVITY Duty Cycle per g Sensitivity, Analog Output 4 Temperature Drift ZERO g BIAS LEVEL 0 g Duty Cycle Initial Offset 0 g Duty ...
Page 3
... JC 14-Lead CERPAK 110 C/W 30 C/W Model ADXL202JQC ADXL202AQC ADXL210JQC ADXL210AQC CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the ADXL202/ADXL210 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges ...
Page 4
ADXL202/ADXL210 TYPICAL CHARACTERISTICS 1.06 1.04 1.02 1.00 0.98 0.96 0.94 –45 –30 – TEMPERATURE – C Figure 2. Normalized DCM Period (T2) vs. Temperature 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –40 –30 –20 –10 ...
Page 5
DUTY CYCLE OUTPUT – % per g Figure 8. Typical Sensitivity per ...
Page 6
ADXL202/ADXL210 DEFINITIONS T1 Length of the “on” portion of the cycle. T2 Length of the total cycle. Duty Cycle Ratio of the “on” time (T1) of the cycle to the total cycle (T2). Defined as T1/T2 for the ADXL202/ ADXL210. ...
Page 7
TO +5.25V SENSOR DEMOD C DC OSCILLATOR DEMOD Y SENSOR COM Setting the Bandwidth Using C and C X The ADXL202/ADXL210 have provisions for bandlimiting the X and Y pins. Capacitors must be added at these ...
Page 8
ADXL202/ADXL210 initial offset. The easiest way to null this offset is with a calibra- tion factor saved on the microcontroller user calibration for zero g. In the case where the offset is calibrated during manu- facture, there ...
Page 9
STRATEGIES FOR USING THE DUTY CYCLE OUTPUT WITH MICROCONTROLLERS Application notes outlining various strategies for using the duty cycle output with low cost microcontrollers are available from the factory. USING THE ADXL202/ADXL210 AS A DUAL AXIS TILT SENSOR One of ...
Page 10
ADXL202/ADXL210 USING THE ANALOG OUTPUT The ADXL202/ADXL210 was specifically designed for use with its digital outputs, but has provisions to provide analog outputs as well. Duty Cycle Filtering An analog output can be reconstructed by filtering the duty cycle output. ...
Page 11
SEATING REV. B OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 14-Lead CERPAK (QC-14) 0.390 (9.906) MAX 14 8 0.419 (10.643) 0.394 (10.008 PIN 1 0.300 (7.62) 0.195 (4.953) 0.115 ...