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AD5422 Datasheet(PDF) 5 Page - Analog Devices |
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AD5422 Datasheet(HTML) 5 Page - Analog Devices |
5 / 37 page Preliminary Technical Data AD5422 Rev. PrE | Page 5 of 37 Parameter Value1 Unit Test Conditions/Comments Load 2 kΩ min For specified performance Capacitive Load Stability RL = ∞ 20 nF max RL = 2 kΩ TBD nF max RL = ∞ 1 µF max External compensation capacitor of 4nF connected. DC Output Impedance 0.3 Ω typ Power-On Time 10 µs typ DC PSRR TBD µV/V CURRENT OUTPUT Output Current Ranges 0 to 24 mA 0 to 20 mA 4 to 20 mA ACCURACY Resolution 16 Bits Total Unadjusted Error (TUE) ±0.3 % FSR max Over temperature, supplies, and time, typically 0.1% FSR TUE TC2 ±5 ppm/°C typ Relative Accuracy (INL) ±0.012 % FSR max Differential Nonlinearity (DNL) ±1 LSB max Guaranteed monotonic Offset Error ±0.05 % FSR max Offset Error Drift ±5 µv/°C typ Gain Error ±0.02 % FSR max @ 25°C, error at other temperatures obtained using gain TC Gain TC2 ±8 ppm FSR/°C max Full-Scale Error 0.05 % FSR max @ 25°C, error at other temperatures obtained using gain TC Full-Scale TC2 ±8 ppm FSR/°C OUTPUT CHARACTERISTICS2 Current Loop Compliance Voltage AVDD - 2.5 V max Output Current Drift vs. Time TBD ppm FSR/500 hr typ TBD ppm FSR/1000 hr typ Resistive Load TBD Ω max Inductive Load 1 H max DC PSRR 10 µA/V max Output Impedance 50 MΩ typ REFERENCE INPUT/OUTPUT Reference Input2 Reference Input Voltage 5 V nom ±1% for specified performance DC Input Impedance 30 kΩ min Typically 40 kΩ Reference Range 4 to 5 V min to V max Reference Output Output Voltage 4.998 to 5.002 V min to V max @ 25°C Reference TC ±10 ppm/°C max Output Noise (0.1 Hz to 10 Hz)2 18 µV p-p typ Noise Spectral Density2 120 nV/√Hz typ @ 10 kHz Output Voltage Drift vs. Time2 ±40 ppm/500 hr typ ±50 ppm/1000 hr typ Capacitive Load TBD nF max Load Current 5 mA typ Short Circuit Current 7 mA typ Line Regulation2 10 ppm/V typ Load Regulation2 TBD ppm/mA Thermal Hysteresis2 TBD ppm |
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