ADS52J90EVM: ADS52J90EVM: LVDS lines electrical lenth

Jiri Kolouch34

Part Number: ADS52J90EVM
Other Parts Discussed in Thread: FMC-ADC-ADAPTER, , ADS52J90

Dear support team,

The SLAU632B User's Guide shows the schematic (great) and the SBAS690C datasheet in paragraph 9.3 states that "LVDS routing length mismatch: The routing length of all LVDS lines routing to the FPGA must be matched to avoid any timing-related issues."

Since I'm going to use this EVM + ti's FMC-ADC-ADAPTER + Trenz TEBF0808-04A + TE0803 boards, I need to compensate for length mismatch in LVDS pairs in FPGA design.

For Trenz TEBF0808-04A + TE0803 boards, electrical lengths are specified. Could you provide me with electrical lengts (or / preferably: propagation delay times in picoseconds) for ADS52J90EVM and FMC-ADC-ADAPTER boards?

Many thanks!

Jiri

over 4 years ago

0 Xiaochen (Sean)Xu over 4 years ago

TI__Expert 6040 points

Jiri,

ADS52J90EVM and FMC adatper are well length matched. I remember it might be within 20mil range, way below datasheet spec of 150mil. You should not worry about the length matching issue

Thanks!

0 Jiri Kolouch34 over 4 years ago in reply to Xiaochen (Sean)Xu

Prodigy 200 points

Hi Xiaochen ,

I've checked gerbers for FMC-ADC_ADAPTER-SCH_D (slor101a) and there you are right.

Could I get also gerbers for ADS52J90_EVM - slau632b ?

Thanks a lot, Jiri

0 Xiaochen (Sean)Xu over 4 years ago in reply to Jiri Kolouch34

TI__Expert 6040 points

Jiri,

can you please leave your myti account email? we need to grant you access via secure server.

Thanks!

0 Jiri Kolouch34 over 4 years ago in reply to Xiaochen (Sean)Xu

Prodigy 200 points

Hi Xiaochen,

my email is in the myTI profile, I hope that you as TI employee can see it. If not, forward please this information through local TI representative - Mr. Stefan Agasvari.

Thanks a lot, Jiri

0 Xiaochen (Sean)Xu over 4 years ago in reply to Jiri Kolouch34

TI__Expert 6040 points

Jiri,

we will contact TI sales for your contact info. TI protects each customer's privacy. so we can't see your contact info.

Thanks!

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ADS52J90EVM: ADS52J90EVM: LVDS lines electrical lenth