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ADXL204 Folha de dados(PDF) 3 Page - Analog Devices |
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ADXL204 Folha de dados(HTML) 3 Page - Analog Devices |
3 / 12 page ADXL204 Rev. A | Page 3 of 12 SPECIFICATIONS All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed. TA = –40°C to +125°C; VS = 3.3 V; CX = CY = 0.1 μF; acceleration = 0 g, unless otherwise noted. Table 1. Parameter Conditions Min Typ Max Unit SENSOR INPUT Each axis Measurement Range1 ±1.7 g Nonlinearity % of full scale ±0.2 ±1.25 % Package Alignment Error ±1 Degrees Alignment Error X sensor to Y sensor ±0.1 Degrees Cross Axis Sensitivity ±1.5 ±3 % SENSITIVITY (RATIOMETRIC)2 Each axis Sensitivity at XOUT, YOUT VS = 3.3 V 595 620 645 mV/g Sensitivity Change due to Temperature3 VS = 3.3 V ±0.3 % ZERO g BIAS LEVEL (RATIOMETRIC) Each axis 0 g Voltage at XOUT, YOUT VS = 3.3 V 1.55 1.65 1.75 V Initial 0 g Output Deviation from Ideal VS = 3.3 V, 25°C ±50 mg 0 g Offset vs. Temperature ±0.15 ±0.8 mg/°C NOISE PERFORMANCE Output Noise <4 kHz, VS = 3.3 V 1 3 mV rms Noise Density 170 μg/√Hz rms FREQUENCY RESPONSE4 CX, CY Range5 0.002 10 μF RFILT Tolerance 24 32 40 kΩ Sensor Resonant Frequency 5.5 kHz SELF TEST T 6 Logic Input Low 0.66 V Logic Input High 2.64 V ST Input Resistance to Ground 30 50 kΩ Output Change at XOUT, YOUT Self test 0 to 1 100 200 300 mV OUTPUT AMPLIFIER Output Swing Low No load 0.05 0.2 V Output Swing High No load 2.9 3.1 V POWER SUPPLY Operating Voltage Range 3 6 V Quiescent Supply Current 0.5 0.9 mA Turn-On Time7 20 ms 1 Guaranteed by measurement of initial offset and sensitivity. 2 Sensitivity is essentially ratiometric to VS. For VS = 3.0 V to 3.6 V, sensitivity is typically 185 mV/V/g to 190 mV/V/g. 3 Defined as the change from ambient-to-maximum temperature or ambient-to-minimum temperature. 4 Actual frequency response controlled by user-supplied external capacitor (CX, CY). 5 Bandwidth = 1/(2 × π × 32 kΩ × C). For CX, CY = 0.002 μF, bandwidth = 2500 Hz. For CX, CY = 10 μF, bandwidth = 0.5 Hz. Minimum/maximum values are not tested. 6 Self-test response changes cubically with VS. 7 Larger values of CX, CY increase turn-on time. Turn-on time is approximately 160 × CX or CY + 4 ms, where CX, CY are in μF. |
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Descrição semelhante - ADXL204 |
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