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AD5421BREZ-REEL7 Scheda tecnica(PDF) 4 Page - Analog Devices |
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AD5421BREZ-REEL7 Scheda tecnica(HTML) 4 Page - Analog Devices |
4 / 36 page AD5421 Data Sheet Rev. F | Page 4 of 36 SPECIFICATIONS Loop voltage = 24 V; REFIN = 2.5 V external; RL = 250 Ω; external NMOS connected; all loop current ranges; all specifications TMIN to TMAX, unless otherwise noted. Table 1. Parameter1 Min Typ Max Unit Test Conditions/Comments ACCURACY, INTERNAL RSET Resolution 16 Bits Total Unadjusted Error (TUE)2 −0.126 +0.126 % FSR C grade −0.041 ±0.0064 +0.041 % FSR C grade, TA = 25°C −0.18 +0.18 % FSR B grade −0.06 ±0.011 +0.06 % FSR B grade, TA = 25°C −0.27 +0.27 % FSR A grade −0.08 ±0.011 +0.08 A grade, TA = 25°C TUE Long-Term Stability 210 ppm FSR Drift after 1000 hours at TA = 125°C Relative Accuracy (INL) −0.0035 ±0.0015 +0.0035 % FSR C grade −0.012 ±0.006 +0.012 % FSR B grade −0.024 ±0.01 +0.024 % FSR A grade Differential Nonlinearity (DNL) −1 +1 LSB Guaranteed monotonic Offset Error −0.056 +0.056 % FSR B grade and C grade −0.008 ±0.0008 +0.008 % FSR B grade and C grade, TA = 25°C −0.11 ±0.0008 +0.11 % FSR A grade Offset Error TC3 1 ppm FSR/°C Gain Error −0.107 +0.107 % FSR B grade and C grade −0.035 ±0.0058 +0.035 % FSR B grade and C grade, TA = 25°C −0.2 ±0.0058 +0.2 % FSR A grade Gain Error TC3 4 ppm FSR/°C Full-Scale Error −0.126 +0.126 % FSR B grade and C grade −0.041 ±0.0065 +0.041 % FSR B grade and C grade, TA = 25°C −0.25 ±0.0065 +0.25 % FSR A grade Full-Scale Error TC3 5 ppm FSR/°C Downscale Alarm Current 3.19 3.21 mA Upscale Alarm Current 22.77 22.83 mA 4 mA to 20 mA and 3.8 mA to 21 mA ranges 23.97 24.03 mA 3.2 mA to 24 mA range ACCURACY, EXTERNAL RSET (24 kΩ) Assumes ideal resistor, B grade and C grade only; not specified for A grade Resolution 16 Bits Total Unadjusted Error (TUE)2 −0.048 +0.048 % FSR C grade −0.027 ±0.002 +0.027 % FSR C grade, TA = 25°C −0.08 +0.08 % FSR B grade −0.04 ±0.003 +0.04 % FSR B grade, TA = 25°C TUE Long-Term Stability 40 ppm FSR Drift after 1000 hours at TA = 125°C Relative Accuracy (INL) −0.0035 ±0.0015 +0.0035 % FSR C grade −0.012 ±0.006 +0.012 % FSR B grade Differential Nonlinearity (DNL) −1 +1 LSB Guaranteed monotonic Offset Error −0.021 +0.021 % FSR −0.007 ±0.0012 +0.007 % FSR TA = 25°C Offset Error TC3 0.5 ppm FSR/°C Gain Error −0.03 +0.03 % FSR −0.023 ±0.0006 +0.023 % FSR TA = 25°C |
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Descrizione simile - AD5421BREZ-REEL7 |
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