ADC3221/ADC3222 : INL and DNL

ACGUY

Guru 11170 points

Other Parts Discussed in Thread: ADC3242, ADC3241, ADC3222, ADC3221

Hello E2E,

Please let me know how much their INL and DNL.
I could not find them from datasheet.

Regards,
ACGUY

over 6 years ago

0 Brian2001 over 6 years ago

TI__Intellectual 2750 points

ACGUY,
I have asked an engineer if we have any data available for these measurements.
Regards,
Brian

0 ACGUY over 6 years ago in reply to Brian2001

Guru 11170 points

Hi Brian,

Thank you for reply.
I'd like to request to add ADC3241 and ADC3242 too.
If their INL less than or equal competitor's ADCs, we will can drive out competitor from customer's board.

Best regards,
ACGUY

0 Sourabh Gupta over 6 years ago

TI__Intellectual 785 points

Hi,
When measured at 20MHz analog input frequency, ADC322x's typical INL is +/-0.2 LSBs, whereas typical DNL is +/-0.15 LSBs.
Regards,
Sourabh

0 ACGUY over 6 years ago in reply to Sourabh Gupta

Guru 11170 points

Hi,

Thank you for your cooperation! Are ADC3241 and ADC3242 same value too?

I’d like to drive out competing products anyhow! Competing products are LTC2140-12/14. Customer important the INL and size.
Can we get win?

Regards,
ACGUY

0 Sourabh Gupta over 6 years ago in reply to ACGUY

TI__Intellectual 785 points

Yes, the typical INL and DNL values are similar (+/- 0.2LSBs, +/-0.15LSBs respectively) for ADC3221 or ADC3222. Both these parts are dual channel 12-bit ADCs, only speed grade is different.
Typical INL and DNL are similar ((+/- 0.75LSBs, +/-0.6LSBs respectively) ) for ADC3241 and ADC3242. Both these parts are dual channel 14-bit ADCs, only speed grade is different.

Regards,

Sourabh

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ADC3221/ADC3222 : INL and DNL