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AD7190 Datasheet(PDF) 7 Page - Analog Devices |
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AD7190 Datasheet(HTML) 7 Page - Analog Devices |
7 / 41 page AD7190 Data Sheet Rev. C | Page 6 of 40 Parameter AD7190B Unit Test Conditions/Comments1 POWER REQUIREMENTS8 Power Supply Voltage AVDD − AGND 4.75/5.25 V min/max DVDD − DGND 2.7/5.25 V min/max Power Supply Currents AIDD Current 1 mA max 0.85 mA typical, gain = 1, buffer off. 1.3 mA max 1.1 mA typical, gain = 1, buffer on. B Grade 4.5 mA max 3.5 mA typical, gain = 8, buffer off. 4.75 mA max 4 mA typical, gain = 8, buffer on. 6.2 mA max 5 mA typical, gain = 16 to 128, buffer off. 6.75 mA max 5.5 mA typical, gain = 16 to 128, buffer on. WB Grade 5 mA max 3.5 mA typical, gain = 8, buffer off. 5.3 mA max 4 mA typical, gain = 8, buffer on. 6.8 mA max 5 mA typical, gain = 16 to 128, buffer off. 7.4 mA max 5.5 mA typical, gain = 16 to 128, buffer on. DIDD Current 0.4 mA max 0.35 mA typical, DVDD = 3 V. 0.6 mA max 0.5 mA typical, DVDD = 5 V. 1.5 mA typ External crystal used. IDD (Power-Down Mode) B Grade 2 μA max WB Grade 5 μA max 1 Temperature range: TMIN = −40°C, TMAX = +105°C. 2 Specification is not production tested but is supported by characterization data at initial product release. 3 FS = decimal equivalent of Bit FS9 to Bit FS0 in the mode register. 4 Following a system or internal zero-scale calibration, the offset error is in the order of the noise for the programmed gain and output data rate selected. A system full- scale calibration reduces the gain error to the order of the noise for the programmed gain and output data rate. 5 The analog inputs are configured for differential mode. 6 Applies at the factory calibration conditions (AVDD = 5 V, gain = 1, TA = 25 °C). 7 REJ60 is a bit in the mode register. When the output data rate is set to 50 Hz, setting REJ60 to 1 places a notch at 60 Hz, allowing simultaneous 50 Hz/60 Hz rejection. 8 Digital inputs equal to DVDD or DGND. |
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