COSINA333MRB

{
  "slug": "cosina333mrb",
  "version": "0.1.0",
  "type": "component",
  "description": "COSINE Instrumentation Amplifiers, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "cosina333mrb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cosina333mrb.kicad_sym",
    "cosina333mrb.kicad_mod",
    "cosina333mrb.glb",
    "cosina333mrb.step",
    "cosina333mrb.lbr",
    "docs/hero.png",
    "docs/cosina333mrb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cosina333mrb-hero.glb",
    "cosina333mrb-hero.overlay.json"
  ],
  "component": {
    "mpn": "COSINA333MRB",
    "manufacturer": "COSINE",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Instrumentation Amplifiers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8771479258055090176",
    "parts": {
      "symbol": "cosina333mrb.kicad_sym",
      "footprint": "cosina333mrb.kicad_mod",
      "model_3d": "cosina333mrb-hero.glb",
      "model_3d_plain": "cosina333mrb.glb",
      "model_3d_step": "cosina333mrb-etched.step",
      "model_3d_step_plain": "cosina333mrb.step",
      "lbr": "cosina333mrb.lbr"
    },
    "distributor_links": {
      "lcsc": "C17702539"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T21:48:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 547 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RG",
        "type": "passive",
        "description": "Gain-setting pin; for gains greater than 1, a single external gain resistor RG is connected between pin 1 and pin 8, with G = 1 + 100 kΩ/RG."
      },
      {
        "number": "2",
        "name": "VIN-",
        "type": "power_in",
        "description": "Negative differential input of the instrumentation amplifier, with input common-mode range of -Vs to +Vs."
      },
      {
        "number": "3",
        "name": "VIN+",
        "type": "power_in",
        "description": "Positive differential input of the instrumentation amplifier, with input common-mode range of -Vs to +Vs."
      },
      {
        "number": "4",
        "name": "-VS",
        "type": "power_in",
        "description": "Negative supply; operates from a single 1.8 V to 5.5 V supply or dual ±0.9 V to ±2.75 V supplies, and should be bypassed to ground with a 0.1 μF ceramic capacitor."
      },
      {
        "number": "5",
        "name": "REF",
        "type": "input",
        "description": "Reference input that must be driven by a low-impedance source or connected to ground, since a series resistance of 8 Ω causes an 80 dB CMRR degradation."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "output",
        "description": "Amplifier output, referred to the REF pin, with swing within 2 mV of each rail at RL = 100 kΩ."
      },
      {
        "number": "7",
        "name": "+VS",
        "type": "power_in",
        "description": "Positive supply; operates from 1.8 V to 5.5 V single supply or ±0.9 V to ±2.75 V dual supply, and should be bypassed close to the pin with a 0.1 μF ceramic capacitor."
      },
      {
        "number": "8",
        "name": "RG",
        "type": "passive",
        "description": "Gain-setting pin; the other terminal of the external gain resistor RG (connected between pin 1 and pin 8) for gains greater than 1."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet lists RG on both pins 1 and 8 (they are internally the gain-setting terminals); they a; Datasheet I/O column is 'P' for both supply pins; mapped to KiCad power_in. The 0.1 μF bypass guidan; The pin table applies to the single pinout shared by MSOP8 and SOP8. Ordering info confirms COSINA33"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0337,
        "at": "2026-10-09T21:46:18"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8771479258055090176",
        "pages": 8,
        "sha256": "bdfc6b55ea745fa7",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cosina333mrb.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cosina333mrb-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "038fd56af759cbd8b7322dc0db00db32597543bb8090bb070b16f46367fe767e",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}