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AD7739 数据表(PDF) 4 Page - Analog Devices |
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AD7739 数据表(HTML) 4 Page - Analog Devices |
4 / 32 page AD7739 Data Sheet Rev. A | Page 4 of 32 Parameter Min Typ Max Unit Test Conditions/Comments REFERENCE INPUTS REFIN(+) to REFIN(−) Voltage1, 9 2.475 2.5 2.525 V NOREF Trigger Voltage 0.5 V NOREF bit in channel status register REFIN(+), REFIN(−) Common-Mode/ Absolute Voltage1 0 AVDD V Reference Input DC Current10 400 μA SYSTEM CALIBRATION1, 11 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 LOGIC INPUTS Input Current ±1 μA Input Current CS ±10 μA CS = DVDD −40 μA CS = DGND, internal pull-up resistor Input Capacitance 5 pF VT+1 1.4 2 V DVDD = 5 V VT–1 0.8 1.4 V DVDD = 5 V VT+ – VT–1 0.3 0.85 V DVDD = 5 V VT+1 0.95 2 V DVDD = 3 V VT–1 0.4 1.1 V DVDD = 3 V VT+ – VT–1 0.3 0.85 V DVDD = 3 V MCLK IN ONLY Input Current ±10 μA Input Capacitance 5 pF VINL Input Low Voltage 0.8 V DVDD = 5 V VINH Input High Voltage 3.5 V DVDD = 5 V VINL Input Low Voltage 0.4 V DVDD = 3 V VINH Input High Voltage 2.5 V DVDD = 3 V LOGIC OUTPUTS12 VOL Output Low Voltage 0.4 V ISINK = 800 μA, DVDD = 5 V VOH Output High Voltage 4.0 V ISOURCE = 200 μA, DVDD = 5 V VOL Output Low Voltage 0.4 V ISINK = 100 μA, DVDD = 3 V VOH Output High Voltage DVDD − 0.6 V ISOURCE = 100 μA, DVDD = 3 V Floating State Leakage Current ±1 μA Floating State Leakage Capacitance 3 pF P0, P1 INPUTS/OUTPUTS Levels referenced to analog supplies Input Current ±10 μA VINL Input Low Voltage 0.8 V AVDD = 5 V VINH Input High Voltage 3.5 V AVDD = 5 V VOL Output Low Voltage 0.4 V ISINK = 8 mA, AVDD = 5 V VOH Output High Voltage 4.0 V ISOURCE = 200 μA, AVDD = 5 V |
类似零件编号 - AD7739 |
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类似说明 - AD7739 |
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