main
Ray Publish 0.1.0 773936c 4d ago
{
  "slug": "ina103kp",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Instrumentation OpAmps, PDIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers",
    "ina103kp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ina103kp.kicad_sym",
    "ina103kp.kicad_mod",
    "ina103kp.glb",
    "ina103kp.step",
    "ina103kp.lbr",
    "docs/hero.png",
    "docs/ina103kp-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ina103kp-hero.glb",
    "ina103kp-hero.overlay.json",
    "ina103kp-etched.glb"
  ],
  "component": {
    "mpn": "INA103KP",
    "manufacturer": "Texas Instruments",
    "package": "PDIP-16",
    "pin_count": 16,
    "category": "Amplifiers",
    "subcategory": "Instrumentation OpAmps",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ina103.pdf",
    "parts": {
      "symbol": "ina103kp.kicad_sym",
      "footprint": "ina103kp.kicad_mod",
      "model_3d": "ina103kp-hero.glb",
      "model_3d_plain": "ina103kp-etched.glb",
      "model_3d_step": "ina103kp-etched.step",
      "model_3d_step_plain": "ina103kp.step",
      "lbr": "ina103kp.lbr"
    },
    "distributor_links": {
      "lcsc": "C1346581",
      "digikey": "INA103KP-ND",
      "mouser": "595-INA103KP"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T18:34:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "INA103KP-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-INA103KP",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "+Input",
        "type": "input",
        "description": "Non-inverting input of the balanced differential pair, with differential input impedance of 60 || 2 MΩ || pF and common-mode range of ±11 V minimum (±12 V typical)."
      },
      {
        "number": "2",
        "name": "+Gain Sense",
        "type": "input",
        "description": "Positive gain-sense terminal; an external gain resistor RG is connected between pins 2 and 15 to set gains other than 1 and 100, and connections must be kept short to avoid oscillation."
      },
      {
        "number": "3",
        "name": "+Offset Null",
        "type": "passive",
        "description": "Offset-null terminal used with the external trim circuit of Figure 3 (offset adjust range ±250 mV in that circuit) to null the input offset voltage with zero differential input."
      },
      {
        "number": "4",
        "name": "-Offset Null",
        "type": "passive",
        "description": "Offset-null terminal used together with pin 3 in the external offset trim circuit to null the input offset voltage with zero differential input."
      },
      {
        "number": "5",
        "name": "+Gain Drive",
        "type": "output",
        "description": "Positive gain-drive connection of the input stage that feeds the internal gain-setting network (pin 6 is +RG)."
      },
      {
        "number": "6",
        "name": "+RG",
        "type": "passive",
        "description": "Positive internal gain-resistor connection; for G = 100 V/V pin 14 is connected to pin 6."
      },
      {
        "number": "7",
        "name": "Ref",
        "type": "input",
        "description": "Output reference terminal that should be a low-impedance connection, since a few ohms in series degrades common-mode rejection."
      },
      {
        "number": "8",
        "name": "V–",
        "type": "power_in",
        "description": "Negative power supply; supply range is ±9 V to ±25 V and supplies should be bypassed with 1 µF tantalum capacitors near the device pins."
      },
      {
        "number": "9",
        "name": "V+",
        "type": "power_in",
        "description": "Positive power supply; supply range is ±9 V to ±25 V and supplies should be bypassed with 1 µF tantalum capacitors near the device pins."
      },
      {
        "number": "10",
        "name": "Output",
        "type": "output",
        "description": "Amplifier output with output current of ±40 mA minimum over temperature (TMIN to TMAX) and short-circuit current of ±70 mA; capacitive load stability to 10 nF."
      },
      {
        "number": "11",
        "name": "Sense",
        "type": "input",
        "description": "Output sense terminal, which should be a low-impedance connection and can be taken to the load so that I•R loss is included inside the feedback loop."
      },
      {
        "number": "12",
        "name": "–Gain Drive",
        "type": "output",
        "description": "Negative gain-drive connection of the input stage that feeds the internal gain-setting network (pin 13 is -RG)."
      },
      {
        "number": "13",
        "name": "–Gain Sense",
        "type": "passive",
        "description": "Negative internal gain-resistor connection in the gain-setting network paired with pin 6 (+RG)."
      },
      {
        "number": "14",
        "name": "G = 100",
        "type": "passive",
        "description": "Gain-of-100 select pin; leave open for G = 1 V/V and connect to pin 6 for G = 100 V/V."
      },
      {
        "number": "15",
        "name": "-Gain Sense",
        "type": "input",
        "description": "Negative gain-sense terminal; an external gain resistor RG is connected between pins 2 and 15 to set gains other than 1 and 100, and connections must be kept short to avoid oscillation."
      },
      {
        "number": "16",
        "name": "–Input",
        "type": "input",
        "description": "Inverting input of the balanced differential pair, with differential input impedance of 60 || 2 MΩ || pF and common-mode range of ±11 V minimum (±12 V typical)."
      }
    ],
    "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 pin-configuration drawing on page 3 is garbled in text extraction, so the assignment of -Gain Dr; The datasheet does not state the electrical type of the gain-drive pins; 'output' is an inference fr; The offset-null pins are described only through the external trim circuit of Figure 3; no pin-level "
        ],
        "pages_sent": 24,
        "cost_usd": 0.0941,
        "at": "2026-10-30T18:34:34"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ina103.pdf",
        "pages": 24,
        "sha256": "9e42ae4b53eaca4c",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ina103kp.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "17a30b1f0ab3fd5384a1231e3c63c394888d5b952c542a8c189e023ed3467464",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ina103kp-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ffec9c74616dafb9e28538b8c56c3bfbf9212fc3c1c0777a1257a580c02b94a5",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}