analog-to-digital conversion circuit

例句：

1. 1. The A/D converter is used to convert analog signals into digital signals.
   A/D转换器用于将模拟信号转换为数字信号。
2. 2. The A/D converter is essential for data acquisition in many industries.
   A/D转换器在许多行业中对于数据采集至关重要。
3. 3. The A/D converter was developed to improve the accuracy of measurements.
   A/D转换器的开发是为了提高测量的准确性。