VS1053 Output Resistors?

Designing hardware that use VLSI Solution's devices as the system controller for the entire design.
Post Reply
Senior User
Posts: 67
Joined: Wed 2019-11-27 9:49

VS1053 Output Resistors?

Post by bayviewboom »


Some youtube video showed someone added "output resistors to protect the output" on a VS1053 board.
Any ideas what that's about?

User avatar
VLSI Staff
Posts: 1799
Joined: Thu 2010-07-15 16:04

Re: VS1053 Output Resistors?

Post by pasi »

It's hard to say without knowing where they were added.

If in series with the output, they limit short-circuit current during headphone plug insertion. (While inserting a plug, it physically short-circuits some of the contacts.) -- This is as much to protect the power supply as it is to protect the analog outputs.
Visit https://www.facebook.com/VLSISolution VLSI Solution on Facebook
Post Reply