TCAN337: vs TCAN337G

Needhu Gunasegaran

Part Number: TCAN337

Dear Danny,

as a follow up to https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1116988/tcan337-and-tcan337g-technical-question-and-device-marking/4140016#4140016, are there any difference to EMC performance?

Since TCAN337G can support higher Data rates, does this mean the EMC performance will be better at lower Data rates (TCAN337)?

Thank you in advance,

Needhu

over 2 years ago

0 Danny Bacic over 2 years ago

TI__Mastermind 24475 points

Needhu,

Thanks for reaching out. From a system-level emissions perspective for an entire bus or design, CAN communication speed plays a role as you mentioned. However, speaking specifically about the TCAN337 and TCAN337G devices, there are slightly different testing specifications for the higher data rate G devices. That being said, you should expect extremely similar performance between G and non-G devices.

Best,

Danny

0 Needhu Gunasegaran over 1 year ago in reply to Danny Bacic

TI__Intellectual 2750 points

Dear Danny,

following up on the question, what is the physical difference between the two ICs?

For many timing characteristics, we provide only the typical value in the DS, for example Tr/Tf. Are there changes on the Max and min values?

Thanks and best regards,

Needhu

0 Eric Schott1 over 1 year ago in reply to Needhu Gunasegaran

TI__Guru 50115 points

Hi Needhu,

There are no design differences between the G and non-G versions, so in theory they are the same hardware. However, because the G device goes through a stricter test program, it is guaranteed capable of meeting the specifications for higher data rates. The non-G devices are not tested as strictly so they are likely to perform well at higher data rates, but we cannot guarantee this behavior because we do not screen these units for the tighter margins.

Regards,
Eric Schott

0 Eric Hackett over 1 year ago in reply to Needhu Gunasegaran

TI__Guru 65672 points

Needhu,

The difference is only in the testing of the final silicon. The parameters stay the same.

Regards,

Eric Hackett

Interface

Interface forum

TCAN337: vs TCAN337G