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Part Number: PCM4222EVM
I own a PCM4222EVM evaluation board .
I believe from inspection that the XLR digital AES connectors J7 & J9 are mounted incorrectly at the TI factory.
The xlr's are placed too far back. I do not think an adaptor will help as the (edit*) 'the rear panel' would get in the way of the XLR jack; as an XLR jack needs to be flush the the AES socket to mate and click into place.
Can anyone please confirm this? Is this an error on all versions of this board?
Welcome to E2E, Thanks for your interest in our products!.
Thanks for your comments, Can you please post a picture of the connector that you are referring to? I have verified in the EVM that the XLR connector for the AES interface fits in the EVM without issues.
-Diego Meléndez López Audio Applications Engineer
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In reply to Diego Melendez:
I have included two pictures
picture 1. = the analogue XLR, this is correct.
picture 2. = the AES XLR which is set back and means mating with a panel is not possible. If spacers are used then an XTR jack will not click into place and mate either.
In reply to harps harps:
Thanks for the feedback. You are right, the connectors are not properly located to make the panel mount. This board was designed a couple years back so it seems this as not considered before. The EVM is targeted to be used with cables, so the only way to mount the connectors in a panel would be by removing them from the board and solder them with cables.
The main purpose of this EVM is to be used as an evaluation tool for the PCM4222 Audio ADC, the connectors used on this and several other EVMs we have are selected just as a way to interact with the required cables for specific purposes. This particular Male XLR connector was selected only as a way to connect a female XLR cable, the Chassis mount was not a particular feature considered for the design of this EVM. Ideally, the designer of this board should have considered the proper connector footprint to allow the chassis mount, but as it was not an intended feature for the EVM, this was not done.
Thanks for your feedback, we will consider it for the next User's Guide revision.
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