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ADS1260: the role of C22 and C25 on the evm

Part Number: ADS1260
Other Parts Discussed in Thread: ADS1261EVM

Hi team

Could you tell the role of the C22 and C25 on the evm?

Regards,

Noriyuki Takahashi

  • Hello Noriyuki,

    Both C22 and C25 are decoupling capacitors to the power supplies, AVDD and AVSS. This ADC ADS1260 and the EVM board (ADS1261EVM) have the ability to support a single unipolar +5V power supply or bipolar power supplies (+2.5V and -2.5V). These two decoupling capacitors were designed for bipolar power supply to the AVDD and AVSS on the EVM circuit board.

    Best regards,

    Dale