| 摘要 |
An apparatus(300) for converting a fully-differential input signal to an output signal which varies between two rail limits (324, 326) and includes: (a) a first buffer (310) receiving one component at a first input (309), presenting a first buffer output signal at a first buffer output (316) and generating a first representative signal; (b) a second buffer (312) receiving the other component at a second input (307), presenting a second buffer output signal at a second buffer output (320) and generating a second representative signal; (c) a control unit (360) coupled with at least one of the buffer outputs (362) and comparing the buffer output signals with a reference signal (368) to generate at least one control signal for reducing drift in the first and second components; and (d) an output unit (304) coupled for combining the representative signals from the buffers to present the single output signal with rail-to-rail variance at an output locus. |
