ADS5295: ADS5295 Power Gating

Jack Long

Part Number: ADS5295

Will this device have power supply issues such as noise or startup difficulty when power gated with a high side switch, provided the switch has adequate drive, rise time, etc?

over 5 years ago

0 Chen Kung over 5 years ago

TI__Genius 12025 points

Hi,

Thanks for using ADS5295 device.

We will reply to you very soon.

Thank you!

Best regards,

Chen

0 Chen Kung over 5 years ago in reply to Chen Kung

TI__Genius 12025 points

Hi,

For your concern about the ADS5295 device power supply issue,

we recommend the customer please refer to the ADS5295 Users Guide Page 36

Please connect the following:

each AVDD power pins (pin9, 52, 66, 71, 74) should connect their own 0.1uF cap as close to themselves as possbile.

and eacg LVDD power pins (pin11, 49) should connect their own 0.1uF cap as close as possible.

Thank you!

Have a nice day!

Best regards,

Chen

0 Chen Kung over 5 years ago in reply to Chen Kung

TI__Genius 12025 points

Hi,

If you are talking about the power sequence of ADS5295 device,

please refer to its datasheet page 28 and Table 6.

Please follow the datasheet statement.

Thank you!

Best regards,

Chen

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ADS5295: ADS5295 Power Gating