Nonvolatile, I2C-Compatible 64-Position, Digital Potentiometer ...

SPECIFICATIONSELECTRICAL CHARACTERISTICSVDD = VLOGIC = 5 V ± 10%, or 3 V ± 10%; VA = VDD; VB = 0 V; −40°C < TA < +85°C, unless otherwise noted.AD5258Table 1.Parameter Symbol Conditions Min Typ 1 Max UnitDC CHARACTERISTICS: RHEOSTAT MODEResistor Differential Nonlinearity R-DNL RWB, VA = no connect LSB1 kΩ −1.5 ±0.3 +1.510 kΩ/50 kΩ/100 kΩ −0.25 ±0.1 +0.25Resistor Integral Nonlinearity R-INL RWB, VA = no connect LSB1 kΩ −5 ±0.5 +510 kΩ/100 kΩ −0.5 ±0.1 +0.550 kΩ −0.25 ±0.1 +0.25Nominal Resistor ToleranceTA = 25°C, VDD = 5.5 V1 kΩ RAB 0.9 1.5 kΩ10 kΩ/50 kΩ/100 kΩ ∆RAB −30 +30 %Resistance Temperature Coefficient (∆RAB × 10 6 )/(RAB × ∆T) Code = 0x00/0x20 200/15 ppm/°CTotal Wiper Resistance RWB Code = 0x00 75 350 ΩDC CHARACTERISTICS:POTENTIOMETER DIVIDER MODEDifferential Nonlinearity DNL LSB1 kΩ −1 ±0.3 +110 kΩ/50 kΩ/100 kΩ −0.25 ±0.1 +0.25Integral Nonlinearity INL LSB1 kΩ −1 ±0.3 +110 kΩ/50 kΩ/100 kΩ −0.25 ±0.1 +0.25Full-Scale Error VWFSE Code = 0x3F LSB1 kΩ −6 −3 010 kΩ −1 −0.3 050 kΩ/100 kΩ −1 −0.1 0Zero-Scale Error VWZSE Code = 0x00 LSB1 kΩ 0 3 510 kΩ 0 0.3 150 kΩ/100 kΩ 0 0.1 0.5Voltage Divider Temperature(∆VW × 10 6 )/(VW × ∆T) Code = 0x00/0x20 120/15 ppm/°CCoefficientRESISTOR TERMINALSVoltage Range VA, B, W GND VDD VCapacitance A, B CA, B f = 1 MHz, measured to GND,45 pFcode = 0x20Capacitance W CW f = 1 MHz, measured to GND,60 pFcode = 0x20Common-Mode Leakage ICM VA = VB = VDD/2 10 nADIGITAL INPUTS AND OUTPUTSInput Logic High VIH 0.7 × VL VL + 0.5 VInput Logic Low VIL −0.5 0.3 × VL VLeakage Current IIL µASDA, AD0, AD1 VIN = 0 V or 5 V 0.01 ±1SCL – Logic High VIN = 0 V −2.5 −1.4 +1SCL – Logic Low VIN = 5 V 0.01 ±1Input Capacitance CIL 5 pFRev. 0 | Page 3 of 24