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ADXL212 Fiches technique(PDF) 3 Page - Analog Devices |
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ADXL212 Fiches technique(HTML) 3 Page - Analog Devices |
3 / 12 page ADXL212 Rev. 0 | Page 3 of 12 SPECIFICATIONS TA = –40°C to +85°C, VS = 5 V, CX = CY = 0.1 μF, acceleration = 0 g, unless otherwise noted. All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed. Table 1. Parameter Test Conditions/Comments Min Typ Max Unit SENSOR INPUT Each axis Measurement Range1 ±1.5 ±2 g Nonlinearity Best fit straight line ±0.2 % of FS Package Alignment Error ±1 Degrees Alignment Error X sensor to Y sensor ±0.01 Degrees Cross Axis Sensitivity ±2 % SENSITIVITY (RATIOMETRIC)2 Each axis Sensitivity at XOUT, YOUT VS = 5 V 10 12.5 15 %/g Sensitivity Change Due to Temperature3 VS = 5 V ±0.5 % ZERO g BIAS LEVEL (RATIOMETRIC) Each axis 0 g Duty Cycle at XOUT, YOUT 25 50 75 % Initial 0 g Output Deviation from Ideal TA = 25°C ±2 % 0 g Duty Cycle vs. Supply 1.0 4.0 %/V 0 g Offset vs. Temperature ±2 mg/°C NOISE PERFORMANCE Noise Density TA = 25°C 500 1000 μg/√Hz rms FREQUENCY RESPONSE4 3 dB Bandwidth5 500 Hz CX, CY Range5 0.002 4.7 μF Sensor Resonant Frequency 5.5 kHz SELF TEST6 Duty Cycle Change Self test (ST) pin: pulled low (0) to high (1) 10 % DUTY CYCLE OUTPUT STAGE fSET7 RSET = 125 kΩ 1 kHz fSET7 Tolerance RSET = 125 kΩ 0.7 1.3 kHz Voltage Levels High I = 25 μA VS − 0.2 V Low I = 25 μA 200 mV t2 Drift vs. Temperature ±35 ppm/°C Rise/Fall Time 200 ns POWER SUPPLY Operating Voltage Range 3.0 5.25 V Specified Performance 4.75 5.25 V Quiescent Supply Current 0.7 1.1 mA Turn-On Time8 19 ms TEMPERATURE RANGE Specified Performance −40 +85 °C 1 Guaranteed by measurement of initial offset and sensitivity. 2 Sensitivity varies with VS. At VS = 3 V, sensitivity is typically 7.5%/g. 3 Defined as the output change from ambient-to-maximum temperature or ambient-to-minimum temperature. 4 Actual frequency response is controlled by a 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 = 4.7 μF, bandwidth = 1 Hz. Minimum/maximum values are not tested. 6 Self test response changes with VS. At VS = 3 V, self test output is typically 6%. 7 The value of fSET is defined by the following equation: fSET = t2 1 8 Larger values of CX, CY increase turn-on time. Turn-on time is approximately 160 × CX or CY + 3, where CX, CY are in μF, and the resulting turn-on time is in ms. |
Numéro de pièce similaire - ADXL212 |
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Description similaire - ADXL212 |
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