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OPA1678 should drop in and better in almost every application.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Thomas Hudson <thomas.hudson7@icloud.com><br>
<b>Sent:</b> 09 May 2026 00:01<br>
<b>To:</b> Mike Bryant <mbryant@futurehorizons.com><br>
<b>Cc:</b> Synth DIY <synth-diy@synth-diy.org><br>
<b>Subject:</b> Re: [sdiy] Burr Brown OPA2134PA DIP</font>
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<div style="line-break:after-white-space">Are there drop-in replacements?<br id="x_lineBreakAtBeginningOfMessage">
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<div>On May 8, 2026, at 7:00 PM, Mike Bryant <mbryant@futurehorizons.com> wrote:</div>
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LCSC is reliable source of the DIP version. </div>
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But do you REALLY need this op-amp ? It's expensive for what it is with lots of alternatives nowadays.</div>
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<font face="Calibri, sans-serif" style="font-size:11pt"><b>From:</b><span class="x_Apple-converted-space"> </span>Synth-diy <<a href="mailto:synth-diy-bounces@synth-diy.org">synth-diy-bounces@synth-diy.org</a>> on behalf of Thomas Hudson via Synth-diy <<a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>><br>
<b>Sent:</b><span class="x_Apple-converted-space"> </span>08 May 2026 23:48<br>
<b>To:</b><span class="x_Apple-converted-space"> </span>Synth DIY <<a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>><br>
<b>Subject:</b><span class="x_Apple-converted-space"> </span>[sdiy] Burr Brown OPA2134PA DIP</font>
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<div class="x_PlainText">Sorry if this is not on topic, but I need the DIP version of this chip, but apparently there are a lot of counterfeits floating around, even on Amazon. Does anyone have a reliable source for the DIP version of this opamp?<br>
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TIA<br>
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