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AD5372BSTZ bảng dữ liệu(PDF) 4 Page - Analog Devices |
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4 / 25 page AD5372/AD5373 Preliminary Technical Data Rev. P rF| Page 4 of 25 SPECIFICATIONS DVCC = 2.3 V to 5.5 V; VDD = 8 V to 16.5 V; VSS = −4.5 V to −16.5 V; VREF = 3 V; AGND = DGND = SIGGND = 0 V; RL = Open Circuit; Gain (m), Offset(c) and DAC Offset registers at default value; all specifications TMIN to TMAX, unless otherwise noted. Table 2. Performance Specifications Parameter AD53721 B Version AD53731 B Version Unit Test Conditions/Comments2 ACCURACY Resolution 16 14 Bits Relative Accuracy ±4 ±1 LSB max Differential Nonlinearity ±1 ±1 LSB max Guaranteed monotonic by design over temperature. Offset Error ±20 ±20 mV max Before Calibration Gain Error ±20 ±20 mV max Before Calibration Offset Error2 100 100 µV max After Calibration Gain Error2 100 100 µV max After Calibration Gain Error of Offset DAC ±35 ±35 mV Positive or Negative Full Scale. See Offset DACs section for details VOUT Temperature Coefficient 5 5 ppm FSR/°C typ Includes linearity, offset, and gain drift. DC Crosstalk2 0.5 0.5 mV max Typically 100 µV. Measured channel at mid-scale, full- scale change on any other channel REFERENCE INPUTS (VREF1, VREF2)2 VREF DC Input Impedance 1 1 MΩ min Typically 100 MΩ. VREF Input Current 60 60 nA max Per input. Typically ±30 nA. VREF Range 2/5 2/5 V min/max ±2% for specified operation. SIGGND INPUT (SIGGND0 TO SIGGND4)2 DC Input Impedance 55 55 kΩ min Typically 60 kΩ. Input Range ±0.5 ±0.5 V min/max OUTPUT CHARACTERISTICS2 Output Voltage Range VSS + 1.4 VSS + 1.4 V min ILOAD = 1 mA. VDD − 1.4 VDD − `.4 V max ILOAD = 1 mA. Short Circuit Current 5 5 mA max Load Current ±1 ±1 mA max Capacitive Load 2200 2200 pF max DC Output Impedance 1 1 Ω max DIGITAL INPUTS JEDEC compliant. Input High Voltage 1.7 1.7 V min IOVCC = 2.5 V to 3.6 V. 2.0 2.0 V min IOVCC = 3.6 V to 5.5 V. Input Low Voltage 0.8 0.8 V max IOVCC = 2.5 V to 5.5 V. Input Current (with pull-up/pull- down) ±8 ±8 µA max CLR and RESET pin only. Input Current (no pull-up/pull-down) ±1 ±1 µA max All other digital input pins. Input Capacitance2 10 10 pF max DIGITAL OUTPUTS (SDO) Output Low Voltage 0.5 0.5 V max Sinking 200 µA. Output High Voltage (SDO) DVCC − 0.5 DVCC − 0.5 V min Sourcing 200 µA. High Impedance Leakage Current −5 −5 µA max SDO only. High Impedance Output Capacitance2 10 10 pF typ |
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