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AD5744R 데이터시트(PDF) 4 Page - Analog Devices |
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AD5744R 데이터시트(HTML) 4 Page - Analog Devices |
4 / 32 page AD5744R Preliminary Technical Data Rev. PrA | Page 4 of 32 SPECIFICATIONS AVDD = 11.4 V to 16.5 V, AVSS = −11.4 V to −16.5 V, AGND = DGND = REFGND = PGND = 0 V; REFAB = REFCD = 5 V external; DVCC = 2.7 V to 5.25 V, RLOAD = 10 kΩ, CL = 200 pF. All specifications TMIN to TMAX, unless otherwise noted. Table 1. Parameter B Grade1 C Grade1 Unit Test Conditions/Comments ACCURACY Outputs unloaded Resolution 14 14 Bits Relative Accuracy (INL) ±2 ±1 LSB max Differential Nonlinearity ±1 ±1 LSB max Guaranteed monotonic Bipolar Zero Error ±2 ±2 mV max At 25°C; error at other temperatures obtained using bipolar zero TC Bipolar Zero TC2 ±2 ±2 ppm FSR/°C max Zero-Scale Error ±2 ±2 mV max At 25°C; error at other temperatures obtained using zero scale TC Zero-Scale TC2 ±2 ±2 ppm FSR/°C max Gain Error ±0.02 ±0.02 % FSR max At 25°C; error at other temperatures obtained using gain TC Gain TC2 ±2 ±2 ppm FSR/°C max DC Crosstalk2 0.125 0.125 LSB max REFERENCE INPUT/OUTPUT Reference Input2 Reference Input Voltage 5 5 V nominal ±1% for specified performance DC Input Impedance 1 1 MΩ min Typically 100 MΩ Input Current ±10 ±10 μA max Typically ±30 nA Reference Range 1/7 1/7 V min/V max Reference Output Output Voltage 4.997/5.003 4.997/5.003 V min/V max At 25°C Reference TC ±10 ±10 ppm/°C max Load2 1 1 M Ω min Output Noise2 (0.1 Hz to 10 Hz) 18 18 μV p-p typ Noise Spectral Density2 75 75 nV/√Hz typ At 10 kHz OUTPUT CHARACTERISTICS2 Output Voltage Range3 ±10.5263 ±10.5263 V min/V max AVDD/AVSS = ±11.4 V, REFIN = 5V ±14 ±14 V min/V max AVDD/AVSS = ±16.5 V, REFIN = 7V Output Voltage Drift vs. Time ±13 ±13 ppm FSR/500 hours typ ±15 ±15 ppm FSR/1000 hours typ Short Circuit Current 10 10 mA typ RISCC = 6 kΩ, see Figure 31 Load Current ±1 ±1 mA max For specified performance Capacitive Load Stability RL = ∞ 200 200 pF max RL = 10 kΩ 1000 1000 pF max DC Output Impedance 0.3 0.3 Ω max |
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