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AD5231BRU10 Datenblatt(PDF) 3 Page - Analog Devices |
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AD5231BRU10 Datenblatt(HTML) 3 Page - Analog Devices |
3 / 28 page Data Sheet AD5231 Rev. D | Page 3 of 28 SPECIFICATIONS ELECTRICAL CHARACTERISTICS—10 kΩ, 50 kΩ, 100 kΩ VERSIONS VDD = 3 V ± 10% or 5 V ± 10%, VSS = 0 V, VA = VDD, VB = 0 V, −40°C < TA < +85°C, unless otherwise noted. Table 1. Parameter Symbol Conditions Min Typ1 Max Unit DC CHARACTERISTICS— RHEOSTAT MODE Resistor Differential Nonlinearity2 R-DNL RWB, VA = NC, monotonic −1 ±1/2 +1.8 LSB Resistor Integral Nonlinearity2 R-INL RWB,VA = NC −0.2 +0.2 LSB Nominal Resistor Tolerance ΔRAB/RAB D = 0x3FF −40 +20 % Resistance Temperature Coefficient (ΔRWB/RWB)/ΔT × 106 600 ppm/°C Wiper Resistance RW IW = 100 µA, VDD = 5.5 V, code = half scale 15 100 Ω IW = 100 µA, VDD = 3 V, code = half scale 50 Ω DC CHARACTERISTICS— POTENTIOMETER DIVIDER MODE Resolution N 10 Bits Differential Nonlinearity3 DNL Monotonic, TA = 25°C −1 ±1/2 +1 LSB Monotonic, TA = −40°C or +85°C −1 +1.25 LSB Integral Nonlinearity3 INL −0.4 +0.4 LSB Voltage Divider Temperature Coefficient (ΔVW/VW)/ΔT × 106 Code = half scale 15 ppm/°C Full-Scale Error VWFSE Code = full scale −3 0 % FS Zero-Scale Error VWZSE Code = zero scale 0 1.5 % FS RESISTOR TERMINALS Terminal Voltage Range4 VA, B,W VSS VDD V Capacitance A, B5 CA, B f = 1 MHz, measured to GND, code = half-scale 50 pF Capacitance W5 CW f = 1 MHz, measured to GND, code = half-scale 50 pF Common-Mode Leakage Current5, 6 ICM VW = VDD/2 0.01 1 µA DIGITAL INPUTS AND OUTPUTS Input Logic High VIH With respect to GND, VDD = 5 V 2.4 V Input Logic Low VIL With respect to GND, VDD = 5 V 0.8 V Input Logic High VIH With respect to GND, VDD = 3 V 2.1 V Input Logic Low VIL With respect to GND, VDD = 3 V 0.6 V Input Logic High VIH With respect to GND, VDD = +2.5 V, VSS = −2.5 V 2.0 V Input Logic Low VIL With respect to GND, VDD = +2.5 V, VSS = −2.5 V 0.5 V Output Logic High (SDO, RDY) VOH RPULL-UP = 2.2 kΩ to 5 V (see Figure 26) 4.9 V Output Logic Low VOL IOL = 1.6 mA, VLOGIC = 5 V (see Figure 26) 0.4 V Input Current IIL VIN = 0 V or VDD ±2.5 µA Input Capacitance5 CIL 4 pF Output Current5 IO1, IO2 VDD = 5 V, VSS = 0 V, TA = 25°C 50 mA VDD = 2.5 V, VSS = 0 V, TA = 25°C 7 mA |
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