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AD5258BRMZ50 Datasheet(PDF) 3 Page - Analog Devices |
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AD5258BRMZ50 Datasheet(HTML) 3 Page - Analog Devices |
3 / 24 page Data Sheet AD5258 Rev. D | Page 3 of 24 SPECIFICATIONS ELECTRICAL CHARACTERISTICS VDD = VLOGIC = 5 V ± 10%, or 3 V ± 10%; 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 Nonlinearity R-DNL RWB, VA = no connect LSB 1 kΩ −1.5 ±0.3 +1.5 10 kΩ/50 kΩ/100 kΩ −0.25 ±0.1 +0.25 Resistor Integral Nonlinearity R-INL RWB, VA = no connect LSB 1 kΩ −5 ±0.5 +5 10 kΩ/100 kΩ −0.5 ±0.1 +0.5 50 kΩ −0.25 ±0.1 +0.25 Nominal Resistor Tolerance TA = 25°C, VDD = 5.5 V 1 kΩ RAB 0.9 1.5 kΩ 10 kΩ/50 kΩ/100 kΩ ΔRAB −30 +30 % Resistance Temperature Coefficient (ΔRAB × 106)/(RAB × ΔT) Code = 0x00/0x20 200/15 ppm/°C Total Wiper Resistance RWB Code = 0x00 75 350 Ω DC CHARACTERISTICS—POTENTIOMETER DIVIDER MODE Differential Nonlinearity DNL LSB 1 kΩ −1 ±0.3 +1 10 kΩ/50 kΩ/100 kΩ −0.25 ±0.1 +0.25 Integral Nonlinearity INL LSB 1 kΩ −1 ±0.3 +1 10 kΩ/50 kΩ/100 kΩ −0.25 ±0.1 +0.25 Full-Scale Error VWFSE Code = 0x3F LSB 1 kΩ −6 −3 0 10 kΩ −1 −0.3 0 50 kΩ/100 kΩ −1 −0.1 0 Zero-Scale Error VWZSE Code = 0x00 LSB 1 kΩ −40°C < TA < 85°C 0 3 5 LSB 85°C < TA < 125°C 6 LSB 10 kΩ −40°C < TA < 85°C 0 0.3 1 LSB 85°C < TA < 125°C 1.5 LSB 50 kΩ/100 kΩ 0 0.1 0.5 LSB Voltage Divider Temperature Coefficient (ΔVW × 106)/(VW × ΔT) Code = 0x00/0x20 120/15 ppm/°C RESISTOR TERMINALS Voltage Range VA, VB ,VW GND VDD V Capacitance A, Capacitance B CA, CB f = 1 MHz, measured to GND, code = 0x20 45 pF Capacitance W CW f = 1 MHz, measured to GND, code = 0x20 60 pF Common-Mode Leakage ICM VA = VB = VDD/2 10 nA DIGITAL INPUTS AND OUTPUTS Input Logic High VIH 0.7 × VL VL + 0.5 V Input Logic Low VIL −0.5 +0.3 × VL V Leakage Current IIL µA SDA, AD0, AD1 VIN = 0 V or 5 V 0.01 ±1 SCL – Logic High VIN = 0 V −2.5 −1.4 +1 SCL – Logic Low VIN = 5 V 0.01 ±1 Input Capacitance CIL 5 pF |
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