TLC5510是美国德州仪器（TI）公司生产的８位半闪速结构模数转换器，它采用CMOS工艺制造，可提供最小２０Msps的采样率。可广泛用于数字ＴＶ、医学图像、视频会议、高速数据转换以及ＱＡＭ解调器等方面。文中介绍了TLC5510的性能指标、引脚功能、内部结构和操作时序，给出了TLC5510的应用线路设计和参考电压的配置方法。-TLC5510 is Texas Instruments (TI) produced eight half-flash ADC structure, which uses CMOS process, can provide minimum 20Msps sampling rate. It can be widely used for digital TV, medical imaging, video conferencing, high speed data conversion, and QAM demodulator and so on. This paper introduces the TLC5510 performance indicators, pin functions, internal structure and operation of timing, given the application TLC5510 reference voltage circuit design and configuration.