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Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets. |
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20th Jan 2008, 7:03 pm | #1 |
Rest in Peace
Join Date: Mar 2006
Location: N.W. Oxfordshire(Chipping Norton)
Posts: 7,306
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Rc4558 = Ca1458??
A CA1458 in my TES(Italian) FM/AM Signal Generator had failed, and I happened to have a couple of RC4558s 'in stock'. I know that the pin-outs are identical, and, from the data I have the 4558 should be a straight swap. Can anyone confirm this? (or am I afor even asking the question??)
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20th Jan 2008, 7:47 pm | #2 |
Nonode
Join Date: Aug 2007
Location: Walsall Wood, Aldridge, Walsall, UK.
Posts: 2,867
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Re: Rc4558 = Ca1458??
Hi!
Yes, the RC4558 will work in your generator no problem - the '4558 was one of very many multi-sourced standard linear ICs! Chris Williams |
20th Jan 2008, 7:57 pm | #3 |
Dekatron
Join Date: Feb 2007
Location: Leominster, Herefordshire, UK.
Posts: 16,535
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Re: Rc4558 = Ca1458??
They certainly look compatible- at least going from 1458 (basically a dual 741) to a 4558. The 4558 has a higher gain bandwidth, but that's probably no big deal.
Detailed data at: 1458 http://www.intersil.com/data/fn/fn531.pdf 4558 http://focus.ti.com/lit/ds/symlink/rc4558.pdf In any case, pretty much anything that's pin compatible will sub for a 741! Chris |
20th Jan 2008, 10:28 pm | #4 |
Rest in Peace
Join Date: Mar 2006
Location: N.W. Oxfordshire(Chipping Norton)
Posts: 7,306
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Re: Rc4558 = Ca1458??
Thanks, Chris - I thought that was the case, but it's nice to get a second opinion
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