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MAX11068 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX11068 Datasheet(HTML) 3 Page - Maxim Integrated Products |
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3 / 82 page  12-Channel, High-Voltage Sensor, Smart Data-Acquisition Interface ELECTRICAL CHARACTERISTICS (continued) (TA = TMIN to TMAX, unless otherwise noted. VGNDU = VDCIN = 18V to +60V, typical values are at TA = +25NC, unless otherwise specified from -40NC to +105NC per the application circuit in Figure 4.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Differential Nonlinearity DNL No missing codes at 12 bits Q 1.0 LSB Channel Offset Error CELLVOS Cells 1 through 12 -5 +5 mV Channel Gain Error CELLAV Cells 1 through 12 -1.0 +1.0 % Cell-Balancing Switch Resistance RSWITCH from C(N) to C(N+1) when enabled 1.5 6 20 I AUXIN1, AUXIN2 INPUTS Absolute Differential Input Range VAUXINXIN AUXIN1, AUXIN2 to AGND; ADC REF = THRM 0 VTHRM V Common-Mode Input-Voltage Range Inputs AUXIN1/2 referred to AGND 0 VTHRM V Input-Leakage Current IAUXIN ADC off; input voltage = 3.3V -1.0 +1.0 F A ADC Resolution 12 Bits Conversion Time tS 10 F s/ AUX_ Input Accuracy TA = +25NC -0.5 +0.5 % -40NC < TA < +105NC -1.0 +1.0 Differential Nonlinearity DNL No missing codes at 12 bits Q 1.0 LSB Offset Error AUXVOS AUXIN1, AUXIN2 -8 +8 mV Gain Error AUXAV AUXIN1, AUXIN2 -1.0 +1.0 % THRM Switch Resistance RTHRM THRM to VAA (Note 3) 5 18 28 I VOLTAGE REFERENCE Output REF Voltage REFVOUT TA = +25NC 2.45 2.50 2.55 V REF Output Short-Circuit Current IREF-SC Q 12.5 mA Temperature Coefficient D REF/ D TEMP Q 25 ppm/NC Initial Drift Change after 1000hr burn-in 120 ppm LOGIC INPUTS AND OUTPUTS (GPIO AND SHDN) SHDN Voltage High 1.8 V SHDN Voltage Low 0.5 V SHDN Input Leakage Current VSHDN = 3.4V 1 F A VSHDN = 30V 5.15 18 VSHDN = 56V 12.6 45 GPIO Input Voltage Low 0.8 V GPIO Input Voltage High 2.4 V I/O Leakage Current I/O pins programmed to high impedance -1 +2 +6.2 F A GPIO Output Voltage Low ISINK = 3mA 0.4 V GPIO Output Voltage High ISOURCE = 3mA VDDL - 0.5 V MAX11068 Maxim Integrated 3 |
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