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AD5757ACPZ 데이터시트(PDF) 4 Page - Analog Devices |
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AD5757ACPZ 데이터시트(HTML) 4 Page - Analog Devices |
4 / 44 page AD5757 Rev. A | 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 16 Bits ACCURACY (EXTERNAL RSET) Assumes ideal resistor Total Unadjusted Error (TUE) −0.05 ±0.009 +0.05 % FSR TUE Long-Term Stability 100 ppm FSR Drift after 1000 hours, TJ = 150°C Relative Accuracy (INL) −0.006 +0.006 % FSR Differential Nonlinearity (DNL) −1 +1 LSB Guaranteed monotonic Offset Error −0.05 ±0.005 +0.05 % FSR Offset Error Drift2 ±4 ppm FSR/°C Gain Error −0.05 ±0.004 +0.05 % FSR Gain TC2 ±3 ppm FSR/°C Full-Scale Error −0.05 ±0.008 +0.05 % 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 +0.14 % FSR −0.11 ±0.009 +0.11 % FSR TA = 25°C TUE Long-Term Stability 180 ppm FSR Drift after 1000 hours, TJ = 150°C Relative Accuracy (INL) −0.006 +0.006 % FSR −0.004 +0.004 % FSR TA = 25°C Differential Nonlinearity (DNL) −1 +1 LSB Guaranteed monotonic Offset Error3, 4 −0.05 +0.05 % FSR −0.04 ±0.007 +0.04 % FSR TA = 25°C Offset Error Drift2 ±6 ppm FSR/°C Gain Error −0.12 +0.12 % FSR −0.06 ±0.002 +0.06 % FSR TA = 25°C Gain TC2 ±9 ppm FSR/°C Full-Scale Error3, 4 −0.14 +0.14 % FSR −0.1 ±0.007 +0.1 % FSR TA = 25°C 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 31 and DC-DC MaxV bits in Table 24 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 |
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