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AD5744R Rev. A | 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 Min Typ Max Unit Test Conditions/Comments1 ACCURACY Outputs unloaded Resolution 14 Bits Relative Accuracy (INL) −1 +1 LSB Differential Nonlinearity (DNL) −1 +1 LSB Guaranteed monotonic Bipolar Zero Error −2 +2 mV 25°C; error at other temperatures obtained using bipolar zero tempco −3 +3 mV Bipolar Zero Tempco2 −2 +2 ppm FSR/°C Zero-Scale Error −2 +2 mV 25°C; error at other temperatures obtained using zero-scale tempco −2.5 +2.5 mV Zero-Scale Tempco2 −2 +2 ppm FSR/°C Gain Error −0.02 +0.02 % FSR Gain Tempco2 −2 +2 ppm FSR/°C DC Crosstalk2 0.125 LSB REFERENCE INPUT/OUTPUT Reference Input2 Reference Input Voltage 5 V ±1% for specified performance DC Input Impedance 1 MΩ Typically 100 MΩ Input Current −10 +10 μA Typically ±30 nA Reference Range 1 7 V Reference Output Output Voltage 4.995 5 5.005 V 25°C, AVDD/AVSS = ±13.5 V Reference Tempco2 −10 ±1.7 +10 ppm/°C RLOAD2 1 MΩ Power Supply Sensitivity1 300 μV/V Output Noise2 18 μV p-p 0.1 Hz to 10 Hz Noise Spectral Density2 75 nV/√Hz 10 kHz Output Voltage Drift vs. Time2 ±40 ppm/500 hr ±50 ppm/1000 hr Thermal Hysteresis1 70 ppm First temperature cycle 30 ppm Subsequent temperature cycles OUTPUT CHARACTERISTICS2 Output Voltage Range3 −10.5263 +10.5263 V AVDD/AVSS = ±11.4 V, REFIN = 5 V −14.7368 +14.7368 V AVDD/AVSS = ±16.5 V, REFIN = 7 V Output Voltage Drift vs. Time ±13 ppm FSR/500 hr ±15 ppm FSR/1000 hr Short-Circuit Current 10 mA Load Current −1 +1 mA For specified performance Capacitive Load Stability RLOAD = ∞ 200 pF RLOAD = 10 kΩ 1000 pF DC Output Impedance 0.3 Ω |
