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AD7190 데이터시트(PDF) 4 Page - Analog Devices |
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AD7190 데이터시트(HTML) 4 Page - Analog Devices |
4 / 21 page AD7190 Preliminary Technical Data Rev.PrD 7/08 | Page 4 Parameter1 AD7190B Unit Test Conditions/Comments VOL, Output Low Voltage2 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 POWER REQUIREMENTS7 Power Supply Voltage AVDD − AGND 3/5.25 V min/max DVDD − DGND 2.7/5.25 V min/max Power Supply Currents AIDD Current TBD mA max Gain = 1, Buffer off TBD mA max Gain = 8, Buffer off TBD mA max Gain = 8, Buffer on TBD mA max Gain = 16 – 128, Buffer off TBD mA max Gain = 16 – 128, Buffer on DIDD Current TBD mA max DVDD = 3 V 1 mA max DVDD = 5 V IDD (Power-Down Mode) 1 µA max 1 Temperature range: −40°C to +105°C. 2 Specification is not production tested but is supported by characterization data at initial product release. 3 Following a calibration, this error will be in the order of the noise for the programmed gain and update rate selected. 4 Recalibration at any temperature will remove these errors. 5 Full-scale error applies to both positive and negative full-scale and applies at the factory calibration conditions (AVDD = 5 V, gain = 1, TA = 25 °C). 6 REJ60 is a bit in the Mode Register. When the update rate is set to 50 Hz, setting REJ60 to ‘1’ places a notch at 60 Hz, allowing simultaneous 50 Hz/60 Hz rejection. 7 Digital inputs equal to DVDD or GND. |
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