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AD5273EVAL Folha de dados(PDF) 2 Page - Analog Devices |
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AD5273EVAL Folha de dados(HTML) 2 Page - Analog Devices |
2 / 20 page –2– AD5273–SPECIFICATIONS ELECTRICAL CHARACTERISTICS 1 k , 10 k , 50 k , 100 k VERSIONS (V DD = 2.7 V to 5.5 V, VA < VDD, VB = 0 V, –40°C < TA < +105°C, unless otherwise noted.) Parameter Symbol Conditions Min Typ 1 Max Unit DC CHARACTERISTICS RHEOSTAT MODE Resolution N 6 Bits Resistor Differential NL 2 R-DNL (10 k , 50 k , 100 k ) RWB, VA = NC –0.5 +0.05 +0.5 LSB (1 k ) RWB, VA = NC –1 +0.25 +1 LSB Resistor Nonlinearity 2 R-INL LSB (10 k , 50 k , 100 k ) RWB, VA = NC –0.5 +0.10 +0.5 LSB (1 k ) RWB, VA = NC –5 +2 +5 LSB Nominal Resistance Tolerance 3 RAB TA = 25°C (10 k , 50 k , 100 k ) –30 +30 % Nominal Resistance (1 k ) RAB 0.8 1.2 1.6 k Resistance Temperature Coefficient RAB/ T VAB = VDD, Wiper = No Connect 300 ppm/°C Wiper Resistance RW IW = VDD/R, VDD = 3 V or 5 V 60 100 DC CHARACTERISTICS POTENTIOMETER DIVIDER MODE Differential Nonlinearity 4 DNL –0.5 +0.1 +0.5 LSB Integral Nonlinearity 4 INL –0.5 +0.5 LSB Voltage Divider Temperature Coefficient VW/ T Code = 20H 10 ppm/°C Full-Scale Error VWFSE Code = 3FH –1 0 LSB Zero-Scale Error VWZSE –6 0 LSB (10 k , 50 k , 100 k ) Code = 00H 0 1 LSB (1 k ) Code = 00H 0 5 LSB RESISTOR TERMINALS Voltage Range5 VA,B,W 0 VDD V Capacitance6 A, B CA,B f = 5 MHz, Measured to GND, Code = 20H 25 pF Capacitance6 W CW f = 1 MHz, Measured to GND, Code = 20H 55 pF Common Mode Leakage ICM VA = VB = VW 1 nA DIGITAL INPUTS AND OUTPUTS Input Logic High VIH 2.4 V Input Logic Low VIL 0.8 V Input Logic High VIH VLOGIC = 3 V 2.1 V Input Logic Low VIL VLOGIC = 3 V 0.6 V Output Logic High (SDO) VIH 4.9 V Output Logic Low (SDO) VIL 0.4 V Input Logic Current IIL VIN = 0 V or 5 V 0.01 1 µA Input Capacitance6 CIL 5 pF POWER SUPPLIES Power Supply Range VDD 2.7 5.5 V OTP Power Supply7 VDD_OTP TA = 25°C 5 6 V Supply Current IDD VIH = 5 V or VIL = 0 V 0.1 5 µA OTP Supply Current8 IDD_OTP TA = 25°C 100 mA Power Dissipation9 PDISS VIH = 5 V or VIL = 0 V,VDD = 5 V 0.2 0.3 mW Power Supply Sensitivity PSSR –0.015 +0.015 %/% REV. 0 |
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