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Low output swing at  the output of ADCMP 562 Evaluation board

Question asked by bishnu on Sep 11, 2011
Latest reply on May 13, 2012 by josh.vear

Hi,

 

We have purchased the ADCMP 562 evalutaion board. I have provided the proper supply voltage to the chip such as VEE( -5.2V), VCC_IN (+5V), VDD_IN (+3.3V). Do I need to provide voltage to VTERM input in the evaluation board?

 

In the non-invertering input, 10 MHz  sine wave with 500mV RMS is provided. At the output terminal, I am getting 10 MHz output. However, the output signal swing is only 500mV (peak-to-peak) with offset of 700mV. Am I getting the rignt output? I need a output signal swing from 0 to 3.3V.

Please suggest me how to get the required output.

 

Thanks in advance.

 

Regards,

-Bishnu

Post Doctoral Researcher,

Kyoto University,

Japan

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