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Old 14th August 2012, 11:14 PM   #1
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Default Need LT equivalent for the M5219 op-amp

Hello

Anybody know a Linear Technology equivalent for the M5219 op-amp ?

It's a op-amp with 625 mw of power dissipation.

I include an image of the specs.

Thank

Bye

Gaetan
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File Type: gif m5219 specs.gif (130.2 KB, 81 views)
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Old 16th August 2012, 12:44 AM   #2
BrianL is offline BrianL  United States
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Why do you limit yourself to LT?
What is your application?
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Old 16th August 2012, 03:06 AM   #3
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If the +/-25V supply rails are a real requirement there may not be an acceptable substitute.

Dale
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Old 16th August 2012, 03:53 AM   #4
djQUAN is offline djQUAN  Philippines
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Quote:
Originally Posted by dchisholm View Post
If the +/-25V supply rails are a real requirement there may not be an acceptable substitute.

Dale
closest I know of is Burr Brown OPA2604 which can do +/-24V
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Old 16th August 2012, 04:28 AM   #5
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Is it a RIAA amp? How much is your supply voltage?
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Old 16th August 2012, 06:16 PM   #6
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Hello

I want to use Ltspice to simulate few amps circuits and they all have some M5219 op-amp, but there's only Linear Technology opamps numbers in Ltspice.

The M5219 op-amp seem to be same than the 4558 op-amp, but the 4558 op-amp are not in Ltspice.

Thank

Bye

Gaetan

Last edited by gaetan8888; 16th August 2012 at 06:32 PM.
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Old 16th August 2012, 06:33 PM   #7
jcx is offline jcx  United States
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LT never made anything that poor

supply V limitation, breakdown V is not usually properly simmed - most op amp macromodels won't care

for a "generic audio" bjt input op amp try LT1007



if you find a Spice op amp model it probably would run in LTspice - can add the .model directly to the schematic, use the universal op amp symbol

Last edited by jcx; 16th August 2012 at 07:02 PM.
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Old 16th August 2012, 07:00 PM   #8
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If you want to get a visual picture of opamp performance you could check out Samuel Groner's MASSIVE work.
http://www.sg-acoustics.ch/analogue_...distortion.pdf
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Old 16th August 2012, 07:05 PM   #9
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Hello

Here's an amp circuit I want to simulate, since the op-amp drive the output section it need an op-amp with a good power dissipation.

Thank

Bye

Gaetan
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File Type: gif kenwood_kac-526_sm-08-a.gif (18.5 KB, 60 views)
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Old 16th August 2012, 07:17 PM   #10
jcx is offline jcx  United States
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ulikely that the drive Q are running at more than a few 10 mA, would need <1 mA from op amp to drive their base current, any mismatch in the dual ~5 mA ccs
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