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AD7195BCPZ Arkusz danych(PDF) 5 Page - Analog Devices |
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AD7195BCPZ Arkusz danych(HTML) 5 Page - Analog Devices |
5 / 44 page AD7195 Rev. 0 | Page 5 of 44 Parameter Min Typ Max Unit Test Conditions/Comments1 LOGIC INPUTS Input High Voltage, VINH2 2 V Input Low Voltage, VINL2 0.8 V Hysteresis2 0.1 0.25 V Input Currents −10 +10 μA LOGIC OUTPUT (DOUT/RDY) Output High Voltage, VOH2 DVDD − 0.6 V DVDD = 3 V, ISOURCE = 100 μA Output Low Voltage, VOL2 0.4 V DVDD = 3 V, ISINK = 100 μA Output High Voltage, VOH2 4 V DVDD = 5 V, ISOURCE = 200 μA Output Low Voltage, VOL2 0.4 V DVDD = 5 V, ISINK = 1.6 mA Floating-State Leakage Current −10 +10 μA Floating-State Output Capacitance 10 pF Data Output Coding Offset binary SYSTEM CALIBRATION2 Full-Scale Calibration Limit 1.05 × FS V Zero-Scale Calibration Limit −1.05 × FS V Input Span 0.8 × FS 2.1 × FS V POWER REQUIREMENTS7 Power Supply Voltage AVDD − AGND 4.75 5.25 V DVDD − DGND 2.7 5.25 V Power Supply Currents AIDD Current 0.85 1 mA gain = 1, buffer off 1.1 1.3 mA gain = 1, buffer on 3.5 4.5 mA gain = 8, buffer off 4 5 mA gain = 8, buffer on 5 6.4 mA gain = 16 to 128, buffer off 5.5 6.9 mA gain = 16 to 128, buffer on DIDD Current 0.35 0.4 mA DVDD = 3 V 0.5 0.6 mA DVDD = 5 V 1.5 mA External crystal used IDD (Power-Down Mode) 2 μA 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 FS is the 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 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. 7 Digital inputs equal to DVDD or DGND. |
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