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AD5242BRU1M-REEL7 Folha de dados(PDF) 2 Page - Analog Devices |
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AD5242BRU1M-REEL7 Folha de dados(HTML) 2 Page - Analog Devices |
2 / 16 page REV. B –2– AD5241/AD5242–SPECIFICATIONS 10 k , 100 k , 1 M VERSION Parameter Symbol Conditions Min Typ 1 Max Unit DC CHARACTERISTICS, RHEOSTAT MODE (Specifications apply to all VRs.) Resistor Differential Nonlinearity 2 R-DNL RWB, VA = No Connect –1 ±0.4 +1 LSB Resistor Integral Nonlinearity 2 R-INL RWB, VA = No Connect –2 ±0.5 +2 LSB Nominal Resistor Tolerance DR TA = 25 °C, RAB = 10 kΩ –30 +30 % DR TA = 25 °C, RAB = 100 kΩ/1 MΩ –30 +50 % Resistance Temperature Coefficient RAB/DT VAB = VDD, Wiper = No Connect 30 ppm/ °C Wiper Resistance RW IW = VDD /R, VDD = 3 V or 5 V 60 120 Ω DC CHARACTERISTICS, POTENTIOMETER DIVIDER MODE (Specifications apply to all VRs.) Resolution N 8 Bits Differential Nonlinearity 3 DNL –1 ±0.4 +1 LSB Integral Nonlinearity 3 INL –2 ±0.5 +2 LSB Voltage Divider Temperature Coefficient DVW/DT Code = 80H 5 ppm/ °C Full-Scale Error VWFSE Code = FFH –1 –0.5 0 LSB Zero-Scale Error VWZSE Code = 00H 0 0.5 1 LSB RESISTOR TERMINALS Voltage Range 4 VA, B, W VSS VDD V Capacitance 5 A, B CA, B f = 1 MHz, Measured to GND, Code = 80H 45 pF Capacitance 5 WC W f = 1 MHz, Measured to GND, Code = 80H 60 pF Common-Mode Leakage ICM VA = VB = VW 1nA DIGITAL INPUTS Input Logic High (SDA and SCL) VIH 0.7 VDD VDD + 0.5 V Input Logic Low (SDA and SCL) VIL –0.5 +0.3 VDD V Input Logic High (AD0 and AD1) VIH VDD = 5 V 2.4 VDD V Input Logic Low (AD0 and AD1) VIL VDD = 5 V 0 0.8 V Input Logic High VIH VDD = 3 V 2.1 VDD V Input Logic Low VIL VDD = 3 V 0 0.6 V Input Current IIL VIN = 0 V or 5 V 1 µA Input Capacitance 5 CIL 3pF DIGITAL OUTPUT VOL IOL = 3 mA 0.4 V Output Logic Low (SDA) VOL IOL = 6 mA 0.6 V Output Logic Low (O1 and O2)VOL ISINK = 1.6 mA 0.4 V Output Logic High (O1 and O2)VOH ISOURCE = 40 µA4 V Three-State Leakage Current (SDA) IOZ VIN = 0 V or 5 V ±1 µA Output Capacitance 5 COZ 38 pF POWER SUPPLIES Power Single-Supply Range VDD RANGE VSS = 0 V 2.7 5.5 V Power Dual-Supply Range VDD/SS RANGE ±2.3 ±2.7 V Positive Supply Current IDD VIH = 5 V or VIL = 0 V 0.1 50 µA Negative Supply Current ISS VSS = –2.5 V, VDD = +2.5 V +0.1 –50 µA Power Dissipation 6 PDISS VIH = 5 V or VIL = 0 V, VDD = 5 V 0.5 250 µW Power Supply Sensitivity PSS –0.01 +0.002 +0.01 %/% DYNAMIC CHARACTERISTICS 5, 7, 8 Bandwidth –3 dB BW_10 k Ω RAB = 10 k Ω, Code = 80 H 650 kHz BW_100 k Ω R AB = 100 k Ω, Code = 80 H 69 kHz BW_1 M Ω RAB = 1 M Ω, Code = 80H 6 kHz Total Harmonic Distortion THDW VA = 1 V rms + 2 V dc, 0.005 % VB = 2 V dc, f = 1 kHz VW Settling Time tS VA = VDD, VB = 0 V, ±1 LSB Error Band, 2 µs RAB = 10 k Ω Resistor Noise Voltage eN_WB RWB = 5 k Ω, f = 1 kHz 14 nV √Hz (VDD = 3 V 10% or 5 V 10%, VA = +VDD, VB = 0 V, –40 C < TA < +105 C, unless otherwise noted.) |
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