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ADS1120: 请问ADC转换速率真的很慢吗?影响ATE ramp测试时间。

Part Number: ADS1120

您好  我正在尝试测量ADS1120的线性度的一些参数,使用93k机台, 发出ramp波形,我查看数据手册,发现ADS1120的转换速率最快2000sps,感觉很慢,15bit  下来,需要16.384s才能把所有从0full-scale 的点全转换完,93k机台是18bit, 发不了那么慢频率的波形出来,我怀疑是不是我对于咱们的芯片哪里理解错了 想请教一些您 谢谢!