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AD7734 Fiches technique(PDF) 4 Page - Analog Devices |
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AD7734 Fiches technique(HTML) 4 Page - Analog Devices |
4 / 32 page AD7734 Data Sheet Rev. A | Page 4 of 32 Parameter Min Typ Max Unit Test Conditions/Comments BIAS0 to 3, BIASHI Pin Impedance1, 8 12.5 15.5 kΩ Input Resistor Matching 0.2 % Input Resistor Temp. Coefficient –30 ppm/°C 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 Voltage1 0 AV DD 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 V T+ 1 1.4 2 V DV DD = 5 V V T– 1 0.8 1.4 V DV DD = 5 V V T+ – VT– 1 0.3 0.85 V DV DD = 5 V V T+ 1 0.95 2 V DV DD = 3 V V T– 1 0.4 1.1 V DV DD = 3 V V T+ – VT– 1 0.3 0.85 V DV DD = 3 V MCLK IN ONLY Input Current ±10 µA Input Capacitance 5 pF V INL Input Low Voltage 0.8 V DV DD = 5 V V INH Input High Voltage 3.5 V DV DD = 5 V V INL Input Low Voltage 0.4 V DV DD = 3 V V INH Input High Voltage 2.5 V DV DD = 3 V LOGIC OUTPUTS12 V OL Output Low Voltage 0.4 V I SINK = 800 µA, DVDD = 5 V V OH Output High Voltage 4.0 V I SOURCE = 200 µA, DVDD = 5 V V OL Output Low Voltage 0.4 V I SINK = 100 µA, DVDD = 3 V V OH Output High Voltage DV DD – 0.6 V I SOURCE = 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 V INL Input Low Voltage 0.8 V AV DD = 5 V V INH Input High Voltage 3.5 V AV DD = 5 V V OL Output Low Voltage 0.4 V I SINK = 7 mA, See Abs. Max. Ratings V OH Output High Voltage 4.0 V I SOURCE = 200 µA, AVDD = 5 V POWER REQUIREMENTS AV DD–AGND Voltage 4.75 5.25 V DV DD–DGND Voltage 4.75 5.25 V 2.70 3.60 V AV DD Current (Normal Mode) 13.5 15.9 mA AV DD = 5 V DV DD Current (Normal Mode) 13 2.8 3.1 mA DV DD = 5 V DV DD Current (Normal Mode) 13 1.0 1.5 mA DV DD = 3 V |
Numéro de pièce similaire - AD7734_15 |
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Description similaire - AD7734_15 |
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