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AD5737ACPZ bảng dữ liệu(PDF) 4 Page - Analog Devices |
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4 / 44 page AD5737 Data Sheet Rev. B | Page 4 of 44 SPECIFICATIONS AVDD = VBOOST_x = 15 V; DVDD = 2.7 V to 5.5 V; AVCC = 4.5 V to 5.5 V; dc-to-dc converter disabled; AGND = DGND = GNDSWx = 0 V; REFIN = 5 V; RL = 300 Ω; all specifications TMIN to TMAX, unless otherwise noted. Table 1. Parameter1 Min Typ Max Unit Test Conditions/Comments CURRENT OUTPUT Output Current Ranges 0 24 mA 0 20 mA 4 20 mA Resolution 12 Bits ACCURACY, EXTERNAL RSET Assumes ideal resistor (see the External Current Setting Resistor section for more information) Total Unadjusted Error (TUE) −0.1 ±0.019 +0.1 % FSR TUE Long-Term Stability 100 ppm FSR Drift after 1000 hours, TJ = 150°C Relative Accuracy (INL) −0.032 ±0.006 +0.032 % FSR Differential Nonlinearity (DNL) −1 +1 LSB Guaranteed monotonic Offset Error −0.1 ±0.012 +0.1 % FSR Offset Error Drift2 ±4 ppm FSR/°C Gain Error −0.1 ±0.004 +0.1 % FSR Gain TC2 ±3 ppm FSR/°C Full-Scale Error −0.1 ±0.014 +0.1 % FSR Full-Scale TC2 ±5 ppm FSR/°C DC Crosstalk 0.0005 % FSR External RSET ACCURACY, INTERNAL RSET Total Unadjusted Error (TUE)3, 4 −0.14 ±0.022 +0.14 % FSR TUE Long-Term Stability 180 ppm FSR Drift after 1000 hours, TJ = 150°C Relative Accuracy (INL) −0.032 ±0.006 +0.032 % FSR Differential Nonlinearity (DNL) −1 +1 LSB Guaranteed monotonic Offset Error3, 4 −0.1 ±0.017 +0.1 % FSR Offset Error Drift2 ±6 ppm FSR/°C Gain Error −0.12 ±0.004 +0.12 % FSR Gain TC2 ±9 ppm FSR/°C Full-Scale Error3, 4 −0.14 ±0.02 +0.14 % FSR Full-Scale TC2 ±14 ppm FSR/°C DC Crosstalk4 −0.011 % FSR Internal RSET OUTPUT CHARACTERISTICS2 Current Loop Compliance Voltage VBOOST_x − 2.4 VBOOST_x − 2.7 V Output Current Drift vs. Time Drift after 1000 hours, ¾ scale output, TJ = 150°C 90 ppm FSR External RSET 140 ppm FSR Internal RSET Resistive Load 1000 Ω The dc-to-dc converter has been characterized with a maximum load of 1 kΩ, chosen such that compliance is not exceeded; see Figure 30 and the DC-DC MaxV bits in Table 27 DC Output Impedance 100 MΩ DC PSRR 0.02 1 µA/V REFERENCE INPUT/OUTPUT Reference Input2 Reference Input Voltage 4.95 5 5.05 V For specified performance DC Input Impedance 45 150 MΩ Reference Output Output Voltage 4.995 5 5.005 V TA = 25°C Reference TC2 −10 ±5 +10 ppm/°C |
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