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Ray Set visibility: public a4546ee 4d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "op279gsz",
  "title": "OP279GSZ",
  "brief": "Analog Devices Operational Amplifier, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "amplifiers",
    "op279gsz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "OP279GSZ",
    "manufacturer": "Analog Devices",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Amplifiers",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/OP179_279.pdf",
    "parts": {
      "symbol": "op279gsz.kicad_sym",
      "footprint": "op279gsz.kicad_mod",
      "model_3d": "op279gsz-hero.glb",
      "model_3d_plain": "op279gsz-etched.glb",
      "model_3d_step": "op279gsz-etched.step",
      "model_3d_step_plain": "op279gsz.step",
      "lbr": "op279gsz.lbr"
    },
    "distributor_links": {
      "lcsc": "C208251",
      "digikey": "OP279GSZ-ND",
      "mouser": "584-OP279GSZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T12:00:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "OP279GSZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-OP279GSZ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT A",
        "type": "output",
        "description": "Amplifier A output, rail-to-rail, sinks and sources about ±60 mA typical and is stable with capacitive loads to 10 nF."
      },
      {
        "number": "2",
        "name": "-IN A",
        "type": "input",
        "description": "Amplifier A inverting input; differential input voltage is limited to ±1 V by back-to-back clamp diodes (limit input current to 5 mA beyond that)."
      },
      {
        "number": "3",
        "name": "+IN A",
        "type": "input",
        "description": "Amplifier A non-inverting input with rail-to-rail input range; differential input voltage is limited to ±1 V."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply, or ground in single-supply operation; total supply voltage 4.5 V to 12 V (16 V absolute maximum)."
      },
      {
        "number": "5",
        "name": "+IN B",
        "type": "input",
        "description": "Amplifier B non-inverting input with rail-to-rail input range; differential input voltage is limited to ±1 V."
      },
      {
        "number": "6",
        "name": "-IN B",
        "type": "input",
        "description": "Amplifier B inverting input; differential input voltage is limited to ±1 V by back-to-back clamp diodes (limit input current to 5 mA beyond that)."
      },
      {
        "number": "7",
        "name": "OUT B",
        "type": "output",
        "description": "Amplifier B output, rail-to-rail, sinks and sources about ±60 mA typical and is stable with capacitive loads to 10 nF."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply; operation guaranteed from 4.5 V up to 12 V (16 V absolute maximum), under 3.5 mA supply current per amplifier."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-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 diagram text on page 1 is garbled, with the labels out of order and the minus signs missing.; The ordering guide lists OP279GS (8-Lead SOIC, SO-8) but not the OP279GSZ suffix. I assumed the Z su"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0844,
        "at": "2026-10-30T11:59:57"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/OP179_279.pdf",
        "pages": 16,
        "sha256": "906d09233a99076f",
        "source_tier": "mfr"
      },
      "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": "op279gsz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "op279gsz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ed563fd36f822fd9da299fd0b6d46e769af06a0350c71546c2d40c58654a026e",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SO-8",
      "source_page": 16,
      "D": {
        "nom_mm": 4.9,
        "range_mm": [
          4.801,
          4.999
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          3.802,
          3.998
        ]
      },
      "E": {
        "nom_mm": 5.999,
        "range_mm": [
          5.801,
          6.198
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.549,
        "range_mm": [
          1.351,
          1.748
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "op279gsz.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "SOIC-8",
      "Category": "Amplifiers",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "906d09233a99076fbb275b2f52e64dae6bcba2a3edcc14babb6e1dc37b38791f",
      "rows": [
        {
          "name": "Offset Voltage OP279",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "VS=5V, VOUT = 2.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
          "min": -300,
          "typ": null,
          "max": 300,
          "conditions": "VS=5V, VOUT = 2.5 V, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
          "min": -700,
          "typ": null,
          "max": 700,
          "conditions": "VS=5V, VOUT = 2.5 V, -40C to +85C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "nA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "VS=5V, VOUT = 2.5 V, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "VS=5V, VOUT = 2.5 V, -40C to +85C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range",
          "symbol": "VCM",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5,
          "conditions": "VS=5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Common-Mode Rejection Ratio",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 56,
          "typ": 66,
          "max": null,
          "conditions": "VS=5V, VCM = 0 V to 5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Large Signal Voltage Gain",
          "symbol": "AVO",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "VS=5V, RL = 1 kΩ, 0.3 V ≤ VOUT ≤ 4.7 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Offset Voltage Drift",
          "symbol": "∆VOS/∆T",
          "kind": "temperature_coefficient",
          "unit": "µV/°C",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "VS=5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage High",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.8,
          "typ": null,
          "max": null,
          "conditions": "VS=5V, IL = 10 mA Source",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Low",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "VS=5V, IL = 10 mA Sink, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Low",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VS=5V, IL = 10 mA Sink",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Short-Circuit Limit",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "VS=5V, TA = 25°C, printed ±40",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Impedance",
          "symbol": "ZOUT",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 22,
          "max": null,
          "conditions": "VS=5V, f = 1 MHz, AV = 1",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 70,
          "typ": 88,
          "max": null,
          "conditions": "VS = 4.5 V to 12 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply Current/Amplifier",
          "symbol": "ISY",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 3.5,
          "conditions": "VS=5V, VOUT = 2.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage Range",
          "symbol": "VS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Slew Rate",
          "symbol": "SR",
          "kind": "electrical",
          "unit": "V/µs",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "RL = 1 kΩ, 1 nF",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gain Bandwidth Product",
          "symbol": "GBP",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "VS=5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Phase Margin",
          "symbol": "φm",
          "kind": "electrical",
          "unit": "Degrees",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "VS=5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Capacitive Load Drive",
          "symbol": "",
          "kind": "electrical",
          "unit": "nF",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "No Oscillation",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Harmonic Distortion",
          "symbol": "THD",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.01,
          "max": null,
          "conditions": "VS=5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Voltage Noise Density",
          "symbol": "en",
          "kind": "electrical",
          "unit": "nV/√Hz",
          "min": null,
          "typ": 22,
          "max": null,
          "conditions": "f = 1 kHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range",
          "symbol": "VCM",
          "kind": "electrical",
          "unit": "V",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "VS = 5.0 V (sign lost)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Offset Voltage Drift",
          "symbol": "∆VOS/∆T",
          "kind": "temperature_coefficient",
          "unit": "µV/°C",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "VS = 5.0 V (sign lost)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Low",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -4.85,
          "conditions": "VS = 5.0 V (sign lost), IL = 10 mA Sink",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Short Circuit Limit",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "VS = 5.0 V (sign lost), TA = 25°C, printed ±50",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply Current/Amplifier",
          "symbol": "ISY",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 3.75,
          "conditions": "VS = ±6 V, VOUT = 0 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Phase Margin",
          "symbol": "φm",
          "kind": "electrical",
          "unit": "Degrees",
          "min": null,
          "typ": 69,
          "max": null,
          "conditions": "VS = 5.0 V (sign lost)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Voltage Noise",
          "symbol": "en p-p",
          "kind": "electrical",
          "unit": "µV p-p",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "0.1 Hz to 10 Hz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current Noise Density",
          "symbol": "in",
          "kind": "electrical",
          "unit": "pA/√Hz",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 16,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 16,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Differential Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "inputs clamped with back-to-back diodes; limit input current to 5 mA if exceeded",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "S, RT, RU Package",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "OP179G/OP279G",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "S, RT, RU Package",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering, 60 sec)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient, 8-Lead SOIC (S)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 158,
          "max": null,
          "conditions": "worst case, device soldered in circuit board",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case, 8-Lead SOIC (S)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 43,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  ],
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "docs/op279gsz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "op279gsz-hero.glb",
    "op279gsz-hero.overlay.json",
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  ],
  "visibility": {
    "public": true
  }
}