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can AD9634 work bellow 20MSPS ?

Category: Software
Product Number: AD9634
Software Version: NA

When I set AD9634 work bellow 20MSPS, it doesn't work, no output from DCO pin.

I use AD9517 generate 12.5MHz clock to AD9634, AD9634's internal divider is 1(reg 0xB is 0), but no output from DCO pin.

If I modify AD9517 to raise the clock up to 20MHz, DCO pin output is ok;

I wonder that AD9634 can work bellow 20MSPS? How to realize it?

thansk 

AD9634使用时,当采样率为20MSPS以下时,不能正常工作,DCO管脚无任何输出;

AD9634输入时钟为12.5MHz,时钟源来自AD9517,AD9634内部divider为不分频模式(0xB寄存器配置为0),但发现DCO管脚无任何输出

如果输入时钟提升到20MHz就正常了

我想实现12.5MSPS的采样率,确认一下AD9634能支持20MSPS以下的采样率么?我的实现方案是否有问题?应该怎么配置?

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