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Old 4th December 2006, 02:49 PM   #1
novec is offline novec  Norway
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Default LM4562 op-amp GB

The new LM4562 op-amp from has received great reviews, but are pretty hard to come by, and relatively expensive in small quantities. At Digi-Key, the DIP package is USD5.50 a piece, but drops to 3.48 in quantities of 100. Other vendors I've seen have been quite a bit higher.

I need ten of these, and would like to organize a group buy myself, but an additional 25% in Norwegian import tax makes that pretty stupid. Any Americans want to organize a GB?

Wiki page to the GB: http://www.diyaudio.com/wiki/index.p...M4562+OpAmp+GB
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Old 4th December 2006, 10:13 PM   #2
wtfaidh is offline wtfaidh  Netherlands
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Default LM4562

See if I can find anything with one of the major companies here in holland ?

Acal
Alcom
EBV
Eurodis Texim
Koning En Hartman
Malchus Electronics (Netherlands)
Microtronica/Spoerle
Mulder Hardenberg
Nijkerk Elektronika NV
SEI Benelux

Regards, Eric.
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Old 4th December 2006, 10:32 PM   #3
Ryssen is offline Ryssen  Sweden
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Im in for some..
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Old 4th December 2006, 11:45 PM   #4
novec is offline novec  Norway
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You do that, Eric, if the price is right. Netherlands also has a pretty steep tax of 19% though, so it's not the absolutely best. As far as I know, only the US has zero taxes on Digi-Key prices.

Edit: Seems my link to Digi-Key expired. Just go to www.digikey.com (or switch www for your country code) and search for LM4562.
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Old 5th December 2006, 12:23 AM   #5
wtfaidh is offline wtfaidh  Netherlands
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Spoerle/Diode Nederland : Three variants, Null available...

Supplier Supplier Part Number/Description Multiple / Avail. Quantity Price per unit*
Order Quantity
National Semiconductor LM4562HA/NOPB
Dual High Fidelity Audio Op-Amp
-40/+85C
ROHS Available: 0
Multiple: 500
15,00 EUR
Please call
for leadtime

National Semiconductor LM4562MA/NOPB
Dual High Fidelity Audio Op-Amp
-40/+85C
ROHS Available: 0
Multiple: 95
3,81 EUR
Please call
for leadtime

National Semiconductor LM4562NA/NOPB
Dual High Fidelity Audio Op-Amp
-40/+85C
ROHS Available: 0
Multiple: 40
4,76 EUR
Please call
for leadtime
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Old 5th December 2006, 09:41 AM   #6
novec is offline novec  Norway
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I think it's the LM4562NA that's the thing for us, it comes in the socketable 8-pin DIP package. MA is surface mounted (SOIC), and HA is the less used round metal can type.

It seems Digi-Key is still a lot cheaper (2.80 in quantities of 100), and the prices at Spoerle is also excluding VAT. Digi-Key expects to have them in stock January 11th.

I'd like to ask Americans again, as the product price is lower over there too - 2.80 in Europe and 2.60 ($3.48) in US.
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Old 5th December 2006, 06:03 PM   #7
DonoMan is offline DonoMan  United States
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Are you guys sure there's enough interest? How many do you guys plan to buy? I might be able to take this on.
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Old 5th December 2006, 07:48 PM   #8
Ryssen is offline Ryssen  Sweden
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10-15 pcs some DIL and some soic.
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Old 5th December 2006, 07:49 PM   #9
novec is offline novec  Norway
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It'd surprise me if we didn't get buyers. When I think of it, I'll need at least another six for an upcoming CD player, so all in all, I'll take 15 or so myself, after getting som samples from National. Drop a few words in some UcD threads, those amps seem to benefit a lot from the 4562, and it's just a drop-in replacement.

I don't see any need to buy more than 100, or 100 DIP + 100 SOIC, unless there's demand for it. The price drop is very steep from 1 to 25 to 100, but there's only a few cents to save by going up to 500.
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Old 5th December 2006, 08:06 PM   #10
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I like to try the sonic (smd) version in a UcD/Behringer application. I'm in for 4 - 8 pcs
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