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AD5253BRU1-RL7 数据表(PDF) 3 Page - Analog Devices |
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AD5253BRU1-RL7 数据表(HTML) 3 Page - Analog Devices |
3 / 28 page AD5253/AD5254 Rev. 0 | Page 3 of 28 ELECTRICAL CHARACTERISTICS 1 kΩ VERSION VDD = +3 V ± 10% or +5 V ± 10%, VSS = 0 V or VDD/VSS = ±2.5 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 Resolution N AD5253/AD5254 6/8 Bits Resistor Differential Nonlinearity2 R-DNL RWB, RWA = NC, VDD = 5.5V, AD5253 –0.5 ±0.2 +0.5 LSB RWB, RWA = NC, VDD = 5.5V, AD5254 –1 ±0.25 +1 LSB RWB, RWA = NC, VDD = 2.7V, AD5253 –0.75 ±0.3 +0.75 LSB RWB, RWA = NC, VDD = 2.7V, AD5254 –1.5 ±0.3 +1.5 LSB Resistor Nonlinearity2 R-INL RWB, RWA = NC, VDD = 5.5V, AD5253 –0.5 ±0.2 +0.5 LSB RWB, RWA = NC, VDD = 5.5V, AD5254 –2 ±0.5 +2 LSB RWB, RWA = NC, VDD = 2.7V, AD5253 –1 +2.5 +4 LSB RWB, RWA = NC, VDD = 2.7V, AD5254 –2 +9 +14 LSB Nominal Resistor Tolerance ∆RAB/RAB TA = 25°C –30 +30 % Resistance Temperature Coefficient (∆RAB/RAB) × 106/∆T 650 ppm/°C Wiper Resistance RW IW = 1 V/R, VDD = 5 V 75 130 Ω IW = 1 V/R, VDD = 3 V 200 300 Ω Channel Resistance Matching ∆RAB1/∆RAB2 0.15 % DC CHARACTERISTICS—POTENTIOMETER DIVIDER MODE Differential Nonlinearity3 DNL AD5253 –0.5 ±0.1 +0.5 LSB AD5254 –1 ±0.25 +1 LSB Integral Nonlinearity3 INL AD5253 –0.5 ±0.2 +0.5 LSB AD5254 –2 ±0.5 +2 LSB Voltage Divider Temperature Coefficient (∆VW/VW) × 106/∆T Code = Half scale 25 ppm/°C Full-Scale Error VWFSE Code = Full scale, VDD = 5.5 V, AD5253 –5 –3 0 LSB Code = Full scale, VDD = 5.5 V, AD5254 –16 –11 0 LSB Code = Full scale, VDD = 2.7 V, AD5253 –6 –4 0 LSB Code = Full scale, VDD = 2.7 V, AD5254 –23 –16 0 LSB Zero-Scale Error VWZSE Code = Zero scale, VDD = 5.5 V, AD5253 0 3 5 LSB Code = Zero scale, VDD = 5.5 V, AD5254 0 11 16 LSB Code = Zero scale, VDD = 2.7 V, AD5253 0 4 6 LSB Code = Zero scale, VDD = 2.7 V, AD5254 0 15 20 LSB RESISTOR TERMINALS Voltage Range4 VA, VB, VW VSS VDD V Capacitance5 Ax, Bx CA, CB f = 1 kHz, measured to GND, Code = Half scale 85 pF Capacitance5 Wx CW f = 1 kHz, measured to GND, Code = Half scale 95 pF Common-Mode Leakage Current ICM VA = VB = VDD /2 0.01 1 µA DIGITAL INPUTS AND OUTPUTS Input Logic High VIH VDD = 5 V, VSS = 0 V 2.4 V VDD/VSS = +2.7 V/0 V or VDD/VSS = ±2.5 V 2.1 V Input Logic Low VIL VDD =5 V, VSS = 0 V 0.8 V VDD/VSS = +2.7 V/0 V or VDD/VSS = ±2.5 V 0.6 V Output Logic High (SDA) VOH RPULL-UP = 2.2 kΩ to VDD = 5 V, VSS = 0 V 4.9 V Output Logic Low (SDA) VOL RPULL-UP = 2.2 kΩ to VDD =5 V, VSS = 0 V 0.4 V WP Leakage Current IWP WP = VDD 5 µA |
类似零件编号 - AD5253BRU1-RL7 |
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类似说明 - AD5253BRU1-RL7 |
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