Hi everyone,
I've got one question about Loophole. In my country is impossible to buy ISD1020,
so I started searching on ebay & I found ISD2560 - similar price but 3 times longer record.
I compare datasheets & I think is possible to use it in Loophole, but in electronic I'm rookie.
So here is my question, is it possible to use ISD2560 in Loophole?
In attachment I send You modified schematic&layout could You check it?
(http://img202.imageshack.us/img202/7343/isd2560comparetoisd1020.th.jpg) (http://www.freeimagehosting.net/4xvep)
(http://img822.imageshack.us/img822/5712/loopholeisd2560schemati.th.jpg) (http://www.freeimagehosting.net/726ku)
(http://img42.imageshack.us/img42/5203/loopholeisd2560layout.th.jpg) (http://www.freeimagehosting.net/pt5bw)
best regards
fafer88
This might help:
http://www.madbeanpedals.com/forum/index.php?topic=2184.0 (http://www.madbeanpedals.com/forum/index.php?topic=2184.0)
No definitive answer, but at least it has a source for the ISD1020
Paul
It can be done. I'm running the GGG mobius trip looper with an ISD2590 for 90 seconds loop time, and i've used the same chip for a loophole too
according to my notes (i'm not gonna crack the mobius open right now):
"ISD25xx connect pins 7 and 8 to ground."
that's it. ;D
Jeremy
Quote from: the3secondrule on April 28, 2013, 10:12:28 AM
It can be done. I'm running the GGG mobius trip looper with an ISD2590 for 90 seconds loop time, and i've used the same chip for a loophole too
according to my notes (i'm not gonna crack the mobius open right now):
"ISD25xx connect pins 7 and 8 to ground."
that's it. ;D
Jeremy
thanks Jeremy, it's exactly like I thought :)
Quote from: the3secondrule on April 28, 2013, 10:12:28 AM
"ISD25xx connect pins 7 and 8 to ground."
that's it. ;D
Jeremy
Yep,
I currently finishing up my loophole,
and I used a ISD2560 with grounded pins 7 and 8.
Works just fine.
The 2560 looks like it will be a good option for the LoopholeII (as well as work in Loophole1). The record/playback functions are simplified somewhat.
There's also the 2590 and 25120, but the sampling frequency on those are extremely low.
Hmmmm. I found the isd2590 actually sounded a lot cleaner than the 1020 in my builds. None if the repetitive clicks/pops, and a lot less hiss. Ymmv though ;)
J