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ADXRS450BRGZ 데이터시트(PDF) 3 Page - Analog Devices |
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3 / 28 page Preliminary Technical Data ADXRS450 Rev. PrA | Page 3 of 28 SPECIFICATIONS Specification conditions @ TA = TMIN to TMAX, PDD = 5 V, angular rate = 0°/sec, bandwidth = 80 Hz ±1 g, continuous self-test on. Table 1. Parameter Test Conditions/Comments Symbol Min Typ Max Unit MEASUREMENT RANGE Full-scale range FSR ±300 ±400 °/sec SENSITIVITY See Figure 2 Nominal Sensitivity 80 LSB/°/sec Sensitivity Tolerance ±3 % Nonlinearity1 Best fit straight line 0.05 0.25 % FSR rms Cross-Axis Sensitivity2 ±3 % NULL Null Accuracy ±3 °/sec NOISE PERFORMANCE Rate Noise Density TA = 25°C 0.015 °/sec/√Hz LOW-PASS FILTER Cut-Off (−3dB) Frequency f0/200, see Figure 6 fLP 80 Hz Group Delay3 f = 0 Hz tLP 3.25 4 4.75 ms SHOCK AND VIBRATION IMMUNITY Sensitivity to Linear Acceleration DC to 5 kHz 0.03 °/sec/g Vibration Rectification 0.003 °/sec/g2 SELF-TEST See Continuous Self-Test Magnitude 2559 LSB Fault Register Threshold Compared to LOCST data 2239 2879 LSB Sensor Data Status Threshold Compared to LOCST data 1279 3839 LSB Frequency f0/32 fST 500 Hz ST Low-Pass Filter −3 dB Frequency f0/800, see Figure 7 2 Hz Group Delay3 52 64 76 ms SPI COMMUNICATIONS Clock Frequency 8.08 MHz Voltage Input High MOSI, CS, SCLK 0.85 × PDD PDD + 0.3 V Voltage Input Low MOSI, CS SCLK −0.3 PDD × 0.15 V Output Voltage Low MISO, current = 3 mA 0.5 V Output Voltage High MISO, current = −2 mA PDD − 0.5 V Pull up Current CS, PDD = 3.3 V, CS = 0.75 × PDD 50 200 μA CS, PDD = 5 V, CS = 0.75 × PDD 70 300 μA MEMORY REGISTERS See Memory Register Definitions Temperature Sensor Value at 45°C 0 LSB Scale Factor 5 LSB/°C Quad, ST, Rate, DNC Registers Scale Factor 80 LSB/°/sec POWER SUPPLY Supply Voltage PDD 3.15 5.25 V Quiescent Supply Current IDD 6.0 10.0 mA Turn-On Time Power on to 0.5°/sec of final 100 ms TEMPERATURE RANGE Independent of package type TMIN, TMAX −40 +105 °C 1 Maximum limit is guaranteed through ADI characterization. 2 Cross-axis sensitivity specification does not include effects due to device mounting on a printed circuit board (PCB). 3 Minimum and maximum limits are guaranteed by design. |
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