If you are looking for the Base product number LTC6820 from ADI for the isoSPI Series Interface device, you may see there is a “3zz” suffixed at the end of the ordering part number, such as LTC6820HMS#3ZZPBF.
This is isoSPI with Automotive grade.
According to datasheet, this suffix indicates that the parts support the quality and reliability requirements of automotive applications. These models are designated with a #3ZZ suffix. Only the automotive grade products shown are available for use in automotive applications.
Applicable part numbers
| DK Part # | Mfr Part # |
|---|---|
| 505-LTC6820HMS#3ZZTRPBFTR-ND,505-LTC6820HMS#3ZZTRPBFCT-ND,505-LTC6820HMS#3ZZTRPBFDKR-ND | LTC6820HMS#3ZZTRPBF |
| 505-LTC6820IMS#3ZZPBF-ND | LTC6820IMS#3ZZPBF |
| 505-LTC6820HMS#3ZZPBF-ND | LTC6820HMS#3ZZPBF |
| 505-LTC6820IMS#3ZZTRPBFTR-ND,505-LTC6820IMS#3ZZTRPBFCT-ND,505-LTC6820IMS#3ZZTRPBFDKR-ND | LTC6820IMS#3ZZTRPBF |