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AD7190 数据表(PDF) 5 Page - Analog Devices |
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AD7190 数据表(HTML) 5 Page - Analog Devices |
5 / 40 page AD7190 Rev. 0 | Page 5 of 40 Parameter AD7190B Unit Test Conditions/Comments1 Normal Mode Rejection2 Same as for analog inputs Common-Mode Rejection 100 dB typ Reference Detect Levels 0.3 V min 0.6 V max TEMPERATURE SENSOR Accuracy ±2 °C typ Applies after user calibration at one temperature. Sensitivity 2815 Codes/°C typ Bipolar mode. BRIDGE POWER-DOWN SWITCH RON 10 Ω max Allowable Current2 30 mA max Continuous current. BURNOUT CURRENTS AIN Current 500 nA nom Analog inputs must be buffered and chop disabled. DIGITAL OUTPUTS (P0 to P3) Output High Voltage, VOH2 4 V min AVDD = 5V, ISOURCE = 200 μA. Output Low Voltage, VOL2 0.4 V max AVDD = 5V, ISINK = 800 μA. Floating-State Leakage Current ±100 nA max Floating-State Output Capacitance 10 pF typ INTERNAL/EXTERNAL CLOCK Internal Clock Frequency 4.92 ± 4% MHz min/max Duty Cycle 50:50 % typ External Clock/Crystal2 Frequency 4.9152 MHz nom 2.4576/5.12 MHz min/max Input Low Voltage, VINL 0.8 V max DVDD = 5 V. 0.4 V max DVDD = 3 V. Input High Voltage, VINH 2.5 V min DVDD = 3 V. 3.5 V min DVDD = 5 V. Input Current ±10 μA max LOGIC INPUTS Input High Voltage, VINH2 2 V min Input Low Voltage, VINL2 0.8 V max Hysteresis2 0.1/0.25 V min/V max Input Currents ±10 μA max LOGIC OUTPUT (DOUT/RDY) Output High Voltage, VOH2 DVDD − 0.6 V min DVDD = 3 V, ISOURCE = 100 μA. Output Low Voltage, VOL2 0.4 V max DVDD = 3 V, ISINK = 100 μA. Output High Voltage, VOH2 4 V min DVDD = 5 V, ISOURCE = 200 μA. Output Low Voltage, VOL2 0.4 V max DVDD = 5 V, ISINK = 1.6 mA. Floating-State Leakage Current ±10 μA max Floating-State Output Capacitance 10 pF typ Data Output Coding Offset binary SYSTEM CALIBRATION2 Full-Scale Calibration Limit 1.05 × FS V max Zero-Scale Calibration Limit −1.05 × FS V min Input Span 0.8 × FS V min 2.1 × FS V max |
类似零件编号 - AD7190_08 |
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类似说明 - AD7190_08 |
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