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ADXL250JQC Datasheet(PDF) 2 Page - Analog Devices |
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ADXL250JQC Datasheet(HTML) 2 Page - Analog Devices |
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2 / 15 page  –2– REV. 0 ADXL150JQC/AQC ADXL250JQC/AQC Parameter Conditions Min Typ Max Min Typ Max Units SENSOR Guaranteed Full-Scale Range ± 40 ± 50 ± 40 ± 50 g Nonlinearity 0.2 0.2 % of FS Package Alignment Error 1 ± 1 ± 1 Degrees Sensor-to-Sensor Alignment Error ± 0.1 Degrees Transverse Sensitivity 2 ± 2 ± 2% SENSITIVITY Sensitivity (Ratiometric)3 Y Channel 33.0 38.0 43.0 mV/g X Channel 33.0 38.0 43.0 33.0 38.0 43.0 mV/g Sensitivity Drift Due to Temperature Delta from 25 °C to T MIN or TMAX ± 0.5 ± 0.5 % ZERO g BIAS LEVEL Output Bias Voltage 4 VS/2 – 0.35 VS/2 VS/2 + 0.35 VS/2 – 0.35 VS/2 VS/2 + 0.35 V Zero g Drift Due to Temperature Delta from 25 °C to T MIN or TMAX 0.2 0.3 g ZERO-g OFFSET ADJUSTMENT Voltage Gain Delta VOUT/Delta VOS PIN 0.45 0.50 0.55 0.45 0.50 0.55 V/V Input Impedance 20 30 20 30 k Ω NOISE PERFORMANCE Noise Density5 1 2.5 1 2.5 mg/ √Hz Clock Noise 5 5 mV p-p FREQUENCY RESPONSE –3 dB Bandwidth 900 1000 900 1000 Hz Bandwidth Temperature Drift TMIN to TMAX 50 50 Hz Sensor Resonant Frequency Q = 5 24 24 kHz SELF-TEST Output Change 6 ST Pin from Logic “0” to “1” 0.25 0.40 0.60 0.25 0.40 0.60 V Logic “1” Voltage VS – 1 VS – 1 V Logic “0” Voltage 1.0 1.0 V Input Resistance To Common 30 50 30 50 k Ω OUTPUT AMPLIFIER Output Voltage Swing IOUT = ±100 µA 0.25 VS – 0.25 0.25 VS – 0.25 V Capacitive Load Drive 1000 1000 pF POWER SUPPLY (VS) 7 Functional Voltage Range 4.0 6.0 4.0 6.0 V Quiescent Supply Current ADXL150 1.8 3.0 mA ADXL250 (Total 2 Channels) 3.5 5.0 mA TEMPERATURE RANGE Operating Range J 0 +70 0 +70 °C Specified Performance A –40 +85 –40 +85 °C NOTES 1Alignment error is specified as the angle between the true axis of sensitivity and the edge of the package. 2Transverse sensitivity is measured with an applied acceleration that is 90 degrees from the indicated axis of sensitivity. 3Ratiometric: V OUT = VS/2 + (Sensitivity × VS/5 V × a) where a = applied acceleration in gs, and VS = supply voltage. See Figure 21. Output scale factor can be doubled by connecting VOUT to the offset null pin. 4Ratiometric, proportional to V S/2. See Figure 21. 5See Figure 11 and Device Bandwidth vs. Resolution section. 6Self-test output varies with supply voltage. 7When using ADXL250, both Pins 13 and 14 must be connected to the supply for the device to function. Specifications subject to change without notice. ADXL150/ADXL250–SPECIFICATIONS (TA = +25 C for J Grade, TA = –40 C to +85 C for A Grade, VS = +5.00 V, Acceleration = Zero g, unless otherwise noted) |
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