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AD5227BUJZ100-RL7 Folha de dados(PDF) 3 Page - Analog Devices |
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AD5227BUJZ100-RL7 Folha de dados(HTML) 3 Page - Analog Devices |
3 / 16 page AD5227 Rev. B | Page 3 of 16 ELECTRICAL CHARACTERISTICS 10 kΩ, 50 kΩ, 100 kΩ versions: VDD = 3 V ± 10% or 5 V ± 10%, VA = VDD, VB = 0 V, −40°C < TA < +105°C, unless otherwise noted. Table 2. Parameter Symbol Conditions Min Typ1 Max Unit DC CHARACTERISTICS RHEOSTAT MODE Resistor Differential Nonlinearity2 R-DNL RWB, A = no connect −0.5 ±0.15 +0.5 LSB Resistor Integral Nonlinearity2 R-INL RWB, A = no connect −1 ±0.3 +1 LSB Nominal Resistor Tolerance3 ∆RAB/RAB −20 +20 % Resistance Temperature Coefficient (∆RAB/RAB)/∆T × 106 35 ppm/°C Wiper Resistance RW VDD = 2.7 V 100 250 Ω VDD = 2.8 V to 5.5 V 50 200 Ω DC CHARACTERISTICS POTENTIOMETER DIVIDER MODE Resolution N 6 Bits Integral Nonlinearity3 INL −1 ±0.1 +1 LSB Differential Nonlinearity3, 4 DNL −0.5 ±0.1 +0.5 LSB Voltage Divider Temperature Coefficient (∆VW/VW)/∆T × 106 Midscale 5 ppm/°C Full-Scale Error VWFSE ≥+31 steps from midscale −1.2 −0.5 0 LSB −40°C < TA < +60°C, VDD = 2.8 V to 5.5 V −1 −0.5 0 LSB Zero-Scale Error VWZSE ≤−32 steps from midscale 0 0.5 1.2 LSB −40°C < TA < +60°C, VDD = 2.8 V to 5.5 V 0 0.5 1 LSB RESISTOR TERMINALS Voltage Range5 VA, B, W With respect to GND 0 VDD V Capacitance A, B6 CA, B f = 1 MHz, measured to GND 140 pF Capacitance W6 CW f = 1 MHz, measured to GND 150 pF Common-Mode Leakage ICM VA = VB = VW 1 nA DIGITAL INPUTS (CS, CLK, U/D) Input Logic High VIH 2.4 5.5 V Input Logic Low VIL 0 0.8 V Input Current II VIN = 0 V or 5 V ±1 μA Input Capacitance6 CI 5 pF POWER SUPPLIES Power Supply Range VDD 2.7 5.5 V Supply Current IDD VIH = 5 V or VIL = 0 V, VDD = 5 V 0.4 3 μA Power Dissipation7 PDISS VIH = 5 V or VIL = 0 V, VDD = 5 V 17 μW Power Supply Sensitivity PSSR VDD = 5 V ± 10% 0.01 0.05 %/% DYNAMIC CHARACTERISTICS6, 8, 9 Bandwidth −3 dB BW_10 k RAB = 10 kΩ, midscale 460 kHz BW_50 k RAB = 50 kΩ, midscale 100 kHz BW_100 k RAB = 100 kΩ, midscale 50 kHz Total Harmonic Distortion THD VA = 1 V rms, RAB = 10 kΩ, VB = 0 V dc, f = 1 kHz 0.05 % Adjustment Settling Time tS VA = 5 V ± 1 LSB error band, VB = 0, measured at VW 1 μs Resistor Noise Voltage eN_WB RWB = 5 kΩ, f = 1 kHz 14 nV/√Hz Footnotes on the next page. |
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