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AD5748ACPZ-RL7 Scheda tecnica(PDF) 4 Page - Analog Devices |
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AD5748ACPZ-RL7 Scheda tecnica(HTML) 4 Page - Analog Devices |
4 / 32 page AD5748 Rev. 0 | Page 4 of 32 SPECIFICATIONS AVDD/AVSS = ±12 V (± 10%) to ±24 V (± 10%), DVCC = 2.7 V to 5.5 V, GND = 0 V. IOUT: RLOAD = 300 Ω. All specifications TMIN to TMAX, unless otherwise noted. Table 2. Parameter1 Min Typ Max Unit Test Conditions/Comments INPUT VOLTAGE RANGE Output unloaded VIN 0 to 4.096 V Input Leakage Current −1 +1 μA REFERENCE INPUT Reference Input Voltage 4.096 V External reference needs to be exactly as stated; otherwise, accuracy errors show up as error in output Input Leakage Current −1 +1 μA VOLTAGE OUTPUT, VOUT Output Voltage Ranges 0 5 V 0 10.5 V AVDD must have minimum 1.3 V headroom −10.5 +10.5 V AVDD/AVSS must have minimum 1.3 V headroom Accuracy Total Unadjusted Error (TUE)2 −0.3 +0.3 % FSR −0.1 ±0.05 +0.1 % FSR TA = 25°C Relative Accuracy (INL) −0.02 ±0.005 +0.02 % FSR Bipolar Zero Error (Offset at Midscale) −10 +10 mV ±10.5 V range −8 ±0.5 +8 mV TA = 25°C, ±10.5 V range Bipolar Zero Error TC3 ±1.5 ppm FSR/°C ±10.5 V range Zero-Scale Error −10 +10 mV ±10.5 V range −8 ±0.5 +8 mV TA = 25°C, ±10.5 V range Zero-Scale Error TC3 ±1 ppm FSR/°C ±10.5 V range Zero-Scale/Offset Error −5 +5 mV 0 V to 10.5 V range −4 ±0.5 +4 mV TA = 25°C, 0 V to 10.5 V range −3 +3 mV 0 V to 5 V range −2.2 ±0.3 +2.2 mV TA = 25°C, 0 V to 5 V range Offset Error TC3 ±2 ppm FSR/°C Gain Error −0.05 +0.05 % FSR All ranges −0.04 ±0.015 +0.04 % FSR TA = 25°C Gain Error TC3 ±0.5 ppm FSR/°C Full-Scale Error −0.05 +0.05 % FSR All ranges −0.04 ±0.015 +0.04 % FSR TA = 25°C Full-Scale Error TC3 ±1.5 ppm FSR/°C VOLTAGE OUTPUT CHARACTERISTICS3 Headroom 1.3 V Output unloaded Short-Circuit Current 15 mA Load 1 kΩ Capacitive Load Stability TA = 25°C RLOAD = ∞ 1 nF RLOAD = 2 kΩ 1 nF RLOAD = ∞ 2 μF External compensation capacitor required; see the Driving Inductive Loads section DC Output Impedance 0.12 Ω 0 V to 5 V range, ¼ to ¾ Step 7 μs Specified with 2 kΩ || 220 pF, ±0.05% 0 V to 5 V range, 40 mV Input Step 4.5 μs Specified with 2 kΩ || 220 pF, ±0.05% Slew Rate 2 V/μs Specified with 2 kΩ || 220 pF Output Noise 2.5 μV rms 0.1 Hz to 10 Hz bandwidth 45.5 μV rms 100 kHz bandwidth |
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