Interleaved ADCs are critical for applications requiring multi-gigasample per second (GS/s) rates, but their performance is often limited by offset, gain, and timing skew mismatches across the sub-ADCs. We propose exact but compact expressions that describe the impact of each of those non-idealities on the output spectrum. We derive the distribution of the power of the induced spurs and replicas, critical for yield-oriented derivation of sub-ADC specifications. Finally, we provide a practical example in which calibration step sizes are derived under the constraint of a target production yield.

翻译：交错ADC（Interleaved ADC）对于需要每秒千兆采样（GS/s）速率的多通道应用至关重要，但其性能常受限于子ADC之间的失调、增益和时序偏斜失配。我们提出了精确且简洁的表达式，用以描述这些非理想特性对输出频谱的影响。我们推导了由此引起的杂散信号和镜像信号功率的分布，这对于面向良率的子ADC规格推导至关重要。最后，我们给出了一个实际案例，其中根据目标生产良率的约束条件推导出了校准步长。