SPRSP14D May 2019 – February 2021 TMS320F28384D , TMS320F28384D-Q1 , TMS320F28384S , TMS320F28384S-Q1 , TMS320F28386D , TMS320F28386D-Q1 , TMS320F28386S , TMS320F28386S-Q1 , TMS320F28388D , TMS320F28388S
The ADC supports two signal modes: single-ended and differential. In single-ended mode, the input voltage to the converter is sampled through a single pin (ADCINx), referenced to VREFLO. In differential signaling mode, the input voltage to the converter is sampled through a pair of input pins, one of which is the positive input (ADCINxP) and the other is the negative input (ADCINxN). The actual input voltage is the difference between the two (ADCINxP – ADCINxN). Figure 7-29 shows the differential signaling mode. Figure 7-30 shows the single-ended signaling mode.