656.1.7. Connecting a power supply to the ADC input6.1.7.1. Mode "with common ground" 6.1.7.2. Differential modeRI L-502AGNDGND32X1 (X2-X16, Y1-Y16)Y1 (X2-X16)RI L-502AGNDX1 (Y2 -Y16)Fixed ADC ± U subband must correspond to U=IMAX *R, and the current source must have a voltagemargin of at least U. Resistor R should always be located close to the ADC input. In any case, the resistorR must be less than 50 Ω in the multi-channel mode at the maximum switching frequency.6.1.7.3. Differential mode, offset potentialdue to current source in regard to AGND6.1.7.4. Differential mode, isolatedcurrent sourceY1 (X2-X16)RIL-502AGNDX1 (Y2 -Y16)UсмR1L-502AGNDX1 (X2 -X16)Y1 (Y2 -Y16)R2IR = R1 + R2Only for the voltage subbands L-502: ±2 V, ±1V, ±0.5 V, ±0.2 VFixed ADC ± U measurement subband must correspond to U=I MAX *R, while the current sourcemust have a voltage margin of, at least, U. Resistor R should always be located close to the ADC input.Resistors R, R1, R2 must be less than 50 Ω in multichannel mode at the maximum switching frequency.|Ucm| ≤ 1 В
