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AD5114BCPZ80-RL7 Folha de dados(PDF) 5 Page - Analog Devices |
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AD5114BCPZ80-RL7 Folha de dados(HTML) 5 Page - Analog Devices |
5 / 28 page Data Sheet AD5110/AD5112/AD5114 Rev. 0 | Page 5 of 28 ELECTRICAL CHARACTERISTICS—AD5112 5 kΩ, 10 kΩ, and 80 kΩ versions: VDD = 2.3 V to 5.5 V, VLOGIC = 1.8 V to VDD, VA = VDD, VB = 0 V, −40°C < TA < +125°C, unless otherwise noted. Table 3. Parameter Symbol Test Conditions/Comments Min Typ1 Max Unit DC CHARACTERISTICS—RHEOSTAT MODE Resolution N 6 Bits Resistor Integral Nonlinearity2 R-INL RAB = 5 kΩ, VDD = 2.3 V to 2.7 V −2.5 ±0.5 +2.5 LSB RAB = 5 kΩ, VDD = 2.7 V to 5.5 V −1 ±0.25 +1 LSB RAB = 10 kΩ −1 ±0.25 +1 LSB RAB = 80 kΩ −0.25 ±0.1 +0.25 LSB Resistor Differential Nonlinearity2 R-DNL +1 ±0.25 +1 LSB Nominal Resistor Tolerance ΔRAB/RAB −8 +8 % Resistance Temperature Coefficient3 (ΔRAB/RAB)/ΔT × 106 Code = full scale 35 ppm/°C Wiper Resistance RW Code = zero scale 70 140 Ω RBS Code = bottom scale 45 80 Ω RTS Code = top scale 70 140 Ω DC CHARACTERISTICS—POTENTIOMETER DIVIDER MODE Integral Nonlinearity4 INL −0.5 ±0.15 +0.5 LSB Differential Nonlinearity4 DNL −0.5 ±0.15 +0.5 LSB Full-Scale Error VWFSE RAB = 5 kΩ −2.5 LSB RAB =10 kΩ −1.5 LSB RAB = 80 kΩ −1 LSB Zero-Scale Error VWZSE RAB = 5 kΩ 1.5 LSB RAB =10 kΩ 1 LSB RAB = 80 kΩ 0.25 LSB Voltage Divider Temperature Coefficient3 (ΔVW/VW)/ΔT × 106 Code = half scale ±10 ppm/°C RESISTOR TERMINALS Maximum Continuous IA, IB, and IW Current3 RAB = 5 kΩ, 10 kΩ −6 +6 mA RAB = 80 kΩ −1.5 +1.5 mA Terminal Voltage Range5 GND VDD V Capacitance A, Capacitance B3 CA, CB f = 1 MHz, measured to GND, code = half scale, VW = VA = 2.5 V or VW = VB = 2.5 V 20 pF Capacitance W3 CW f = 1 MHz, measured to GND, code = half scale, VA = VB = 2.5 V 35 pF Common-Mode Leakage Current3 VA = VW = VB −500 ±15 +500 nA DIGITAL INPUTS Input Logic3 High VINH VLOGIC = 1.8 V to 2.3 V 0.8 × VLOGIC V VLOGIC = 2.3 V to 5.5 V 0.7 × VLOGIC V Low VINL VLOGIC = 1.8 V to 2.3 V 0.2 × VLOGIC V VLOGIC = 2.3 V to 5.5 V 0.3 × VLOGIC V Input Hysteresis3 VHYST 0.1 × VLOGIC V Input Current3 IN ±1 μA Input Capacitance3 CIN 5 pF DIGITAL OUTPUT (SDA) Output Low Voltage3 VOL ISINK = 3 mA 0.2 V ISINK = 6 mA 0.4 V Three-State Leakage Current −1 +1 μA Three-State Output Capacitance3 2 pF |
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