component
LM2904DR
Public Made by Adomby adom
UMW Operational Amplifier, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -37,6 +37,20 @@ LM2904DR from UMW, in a SOIC-8. Pinout and pin descriptions extracted from the m - Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm` - 3D model: SOIC-8 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`lm2904dr.step`](lm2904dr.step) | 122 KB | You want the bare part, or you mark your own boards. |+| [`lm2904dr-etched.step`](lm2904dr-etched.step) | 1.8 MB | You want the part with `LM2904DR` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 443 faces against 147 in the bare model. It+survives export, section views, and rendering in any CAD tool, and it drops straight+into KiCad or Fusion with no extra setup.+ ## Provenance Data extracted from the manufacturer datasheet, not a distributor listing:
package.json+1−1@@ -1,6 +1,6 @@ { "slug": "lm2904dr",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "UMW Operational Amplifier, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+8−8@@ -4,7 +4,7 @@ "slug": "lm2904dr", "title": "LM2904DR", "brief": "UMW Operational Amplifier, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -34,7 +34,7 @@ "number": "1", "name": "OUT_A", "type": "output",- "description": "Output of amplifier A. Push-pull output stage; can source ~40 mA and sink ~20 mA typical (short-circuit current typically \u00b140 mA at VS=10 V)."+ "description": "Output of amplifier A. Push-pull output stage; can source ~40 mA and sink ~20 mA typical (short-circuit current typically ±40 mA at VS=10 V)." }, { "number": "2",@@ -70,13 +70,13 @@ "number": "7", "name": "OUT_B", "type": "output",- "description": "Output of amplifier B. Push-pull output stage; can source ~40 mA and sink ~20 mA typical (short-circuit current typically \u00b140 mA at VS=10 V)."+ "description": "Output of amplifier B. Push-pull output stage; can source ~40 mA and sink ~20 mA typical (short-circuit current typically ±40 mA at VS=10 V)." }, { "number": "8", "name": "V+", "type": "power_in",- "description": "Positive supply. Single-supply operation 3 V to 26 V, or dual-supply up to \u00b113 V. Quiescent current typ 350 uA per amplifier at VO=2.5 V."+ "description": "Positive supply. Single-supply operation 3 V to 26 V, or dual-supply up to ±13 V. Quiescent current typ 350 uA per amplifier at VO=2.5 V." } ], "provenance": {@@ -150,9 +150,9 @@ "docs/hero.png", "docs/lm2904dr-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "UMW Operational Amplifier, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D." }