ADS1293: Max current of external Vref

Takumi Suzuki1

Mastermind 8610 points

Part Number: ADS1293

Hi,

Let me ask you a question as below about external Vref, please?

In case of using external Vref, how much max current(power consumption) of Vref should we estimate?

Thanks so much for your support.

Best Regards,

over 8 years ago

0 Brian Pisani over 8 years ago

TI__Mastermind 38745 points

Hello Takumi-san,

I need to do some research. Please give me another day to find the answer.

Brian

0 Brian Pisani over 8 years ago in reply to Brian Pisani

TI__Mastermind 38745 points

Hello Takumi-san,

The internal reference should consume about 20 uA of current. Since we do not specify it in the datasheet, the only way to measure it would be to measure the power consumption of the ADS1293 with the reference on, and then with the reference on, and then subtract the two results.

Brian

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ADS1293: Max current of external Vref