OPA277UA

@@ -40,6 +40,20 @@ OPA277UA from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extrac - 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 |+|---|---|---|+| [`opa277ua.step`](opa277ua.step) | 122 KB | You want the bare part, or you mark your own boards. |+| [`opa277ua-etched.step`](opa277ua-etched.step) | 1.5 MB | You want the part with `OPA277UA` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 381 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:

@@ -1,6 +1,6 @@ {   "slug": "opa277ua",-  "version": "0.1.0",+  "version": "0.2.0",   "type": "component",   "description": "Texas Instruments Precision OpAmps, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",   "tags": [

@@ -4,7 +4,7 @@   "slug": "opa277ua",   "title": "OPA277UA",   "brief": "Texas Instruments Precision OpAmps, 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",@@ -35,7 +35,7 @@         "number": "1",         "name": "Offset Trim",         "type": "input",-        "description": "Input offset voltage trim pin. Connect a 10 k\u03a9 potentiometer between pins 1 and 8 with the wiper to V- to null the initial input offset voltage. Leave floating if the offset trim is not used."+        "description": "Input offset voltage trim pin. Connect a 10 kΩ potentiometer between pins 1 and 8 with the wiper to V- to null the initial input offset voltage. Leave floating if the offset trim is not used."       },       {         "number": "2",@@ -53,7 +53,7 @@         "number": "4",         "name": "V-",         "type": "power_in",-        "description": "Negative (lowest) power supply rail. Total supply range V+ to V- is \u00b12 V to \u00b118 V (4 V to 36 V single-supply). Bypass to ground with a 0.1 \u00b5F ceramic capacitor near the pin."+        "description": "Negative (lowest) power supply rail. Total supply range V+ to V- is ±2 V to ±18 V (4 V to 36 V single-supply). Bypass to ground with a 0.1 µF ceramic capacitor near the pin."       },       {         "number": "5",@@ -71,13 +71,13 @@         "number": "7",         "name": "V+",         "type": "power_in",-        "description": "Positive (highest) power supply rail. Total supply range V+ to V- is \u00b12 V to \u00b118 V (4 V to 36 V single-supply). Bypass to ground with a 0.1 \u00b5F ceramic capacitor near the pin."+        "description": "Positive (highest) power supply rail. Total supply range V+ to V- is ±2 V to ±18 V (4 V to 36 V single-supply). Bypass to ground with a 0.1 µF ceramic capacitor near the pin."       },       {         "number": "8",         "name": "Offset Trim",         "type": "input",-        "description": "Input offset voltage trim pin. Connect a 10 k\u03a9 potentiometer between pins 1 and 8 with the wiper to V- to null the initial input offset voltage. Leave floating if the offset trim is not used."+        "description": "Input offset voltage trim pin. Connect a 10 kΩ potentiometer between pins 1 and 8 with the wiper to V- to null the initial input offset voltage. Leave floating if the offset trim is not used."       }     ],     "provenance": {@@ -151,9 +151,9 @@     "docs/hero.png",     "docs/opa277ua-datasheet.pdf",     "viewers/symbol.html",-    "viewers/footprint.html"+    "viewers/footprint.html",+    "pads.json"   ],-  "visibility": {-    "public": true-  }+  "visibility": "public",+  "description": "Texas Instruments Precision OpAmps, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D." }\ No newline at end of file