opa211aidr

{
  "slug": "opa211aidr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Precision OpAmps, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "op-amp-cmp",
    "opa211aidr"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "opa211aidr.kicad_sym",
    "opa211aidr.kicad_mod",
    "opa211aidr.glb",
    "opa211aidr.step",
    "opa211aidr.lbr",
    "docs/hero.png",
    "docs/opa211aidr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "opa211aidr-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "component": {
    "mpn": "OPA211AIDR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Precision OpAmps",
    "datasheet": "https://www.ti.com/lit/ds/symlink/opa211a.pdf",
    "parts": {
      "symbol": "opa211aidr.kicad_sym",
      "footprint": "opa211aidr.kicad_mod",
      "model_3d": "opa211aidr-etched.glb",
      "model_3d_plain": "opa211aidr.glb",
      "model_3d_step": "opa211aidr-etched.step",
      "model_3d_step_plain": "opa211aidr.step",
      "lbr": "opa211aidr.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. May be left floating or tied to any voltage between V- and V+."
      },
      {
        "number": "2",
        "name": "-IN",
        "type": "input",
        "description": "Inverting input of the op-amp. Common-mode input range extends to (V-)+1.5 V and up to (V+)-2 V; input bias current typ ±60 nA."
      },
      {
        "number": "3",
        "name": "+IN",
        "type": "input",
        "description": "Non-inverting input of the op-amp. Common-mode input range extends to (V-)+1.5 V and up to (V+)-2 V; input bias current typ ±60 nA."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply rail. Operates from -18 V to -2.25 V for split supplies, or 0 V (GND) for single-supply operation up to 36 V total across V+ and V-. Bypass to V+ with 0.1 µF ceramic close to the pins."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. May be left floating or tied to any voltage between V- and V+."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Rail-to-rail amplifier output. Sources/sinks up to ±30 mA short-circuit; output swings to within ~600 mV of each rail at 10 mA load. Slew rate 27 V/µs."
      },
      {
        "number": "7",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply rail. Operates from +2.25 V to +18 V for split supplies, or 4.5 V to 36 V single-supply (referenced to V-). Bypass to V- with 0.1 µF ceramic close to the pins. Typical supply current 3.6 mA per channel."
      },
      {
        "number": "8",
        "name": "Shutdown",
        "type": "input",
        "description": "Active-high shutdown control. Device enabled when (V-) ≤ V_SHUTDOWN ≤ (V+)-3 V; device disabled when V_SHUTDOWN ≥ (V+)-0.35 V. Reduces supply current when asserted."
      }
    ],
    "provenance": {
      "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "distributor_links": {
      "lcsc": "C523992",
      "digikey": "296-22634-2-ND",
      "mouser": "595-OPA211AIDR"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T19:12:47Z",
      "source": "Component Ocean /api/assign-pns + lcsc_map",
      "digikey": {
        "pn": "296-22634-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-OPA211AIDR",
        "status": "found"
      }
    },
    "models_3d": [
      {
        "file": "opa211aidr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "opa211aidr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5616d3f82862a629cc0e0aef6f4ce1165da13f12db8a7c70fcc7bc99778b29a4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": null,
      "rows": [
        {
          "name": "输入失调电压 (Input offset voltage), OPA211",
          "symbol": "VOS",
          "kind": "tolerance",
          "unit": "μV",
          "min": -125,
          "typ": 30,
          "max": 125,
          "conditions": "VS = ±15V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "输入失调电压温漂 (Offset voltage drift)",
          "symbol": "dVOS/dT",
          "kind": "temperature_coefficient",
          "unit": "μV/°C",
          "min": -1.5,
          "typ": 0.35,
          "max": 1.5,
          "conditions": "VS = ±15V, TA = –40°C to +125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "输入失调电压与电源间的关系 (PSRR)",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "μV/V",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "TA = 25°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "输入失调电压与电源间的关系 (PSRR)",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "μV/V",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "TA = –40°C to +125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "输入偏置电流 (Input bias current), OPA211",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
          "min": -175,
          "typ": 60,
          "max": 175,
          "conditions": "VCM = 0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "输入偏置电流 (Input bias current), OPA211",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
          "min": -200,
          "typ": null,
          "max": 200,
          "conditions": "VCM = 0V, TA = –40°C to +125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "输入失调电流 (Input offset current)",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": 25,
          "max": 100,
          "conditions": "VCM = 0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "输入失调电流 (Input offset current)",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "nA",
          "min": -150,
          "typ": null,
          "max": 150,
          "conditions": "VCM = 0V, TA = –40°C to +125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "共模抑制比 (CMRR), VS ≥ ±5V",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 114,
          "typ": 120,
          "max": null,
          "conditions": "VS ≥ ±5V, (V–) + 2V ≤ VCM ≤ (V+) – 2V, TA = –40°C to +125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "共模抑制比 (CMRR), VS < ±5V",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 110,
          "typ": 120,
          "max": null,
          "conditions": "VS < ±5V, (V–) + 2V ≤ VCM ≤ (V+) – 2V, TA = –40°C to +125°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "开环电压增益 (Open-loop voltage gain)",
          "symbol": "AOL",
          "kind": "electrical",
          "unit": "dB",
          "min": 114,
          "typ": 130,
          "max": null,
          "conditions": "(V–) + 0.2V ≤ VO ≤ (V+) – 0.2V, RL = 10kΩ, TA = –40°C to +125°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "开环电压增益 (Open-loop voltage gain)",
          "symbol": "AOL",
          "kind": "electrical",
          "unit": "dB",
          "min": 110,
          "typ": 114,
          "max": null,
          "conditions": "(V–) + 0.6V ≤ VO ≤ (V+) – 0.6V, RL = 600Ω",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "开环电压增益 (Open-loop voltage gain), OPA211",
          "symbol": "AOL",
          "kind": "electrical",
          "unit": "dB",
          "min": 110,
          "typ": null,
          "max": null,
          "conditions": "(V–) + 0.6V ≤ VO ≤ (V+) – 0.6V, IO ≤ 15mA, TA = –40°C to +125°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "开环电压增益 (Open-loop voltage gain), OPA211",
          "symbol": "AOL",
          "kind": "electrical",
          "unit": "dB",
          "min": 103,
          "typ": null,
          "max": null,
          "conditions": "(V–) + 0.6V ≤ VO ≤ (V+) – 0.6V, 15mA < IO ≤ 30mA, TA = –40°C to +125°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "关断电流 (Shutdown current)",
          "symbol": "IQ(SD)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1,
          "max": 20,
          "conditions": "Shutdown (disabled)",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "额定电压 (Supply voltage, ±VS)",
          "symbol": "VS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.25,
          "typ": null,
          "max": 18,
          "conditions": "Dual supply, ±2.25V to ±18V as printed",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "静态电流 (Quiescent current, per channel)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.6,
          "max": 4.5,
          "conditions": "IOUT = 0A",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "静态电流 (Quiescent current, per channel)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "IOUT = 0A, TA = –40°C to +125°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "额定温度范围 (Rated temperature range)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "温度范围 (Temperature range, second row as printed)",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "结至环境热阻 (Junction-to-ambient, RθJA), OPA211 D (SOIC)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 122.2,
          "max": null,
          "conditions": "High-K board",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "结至外壳（顶部）热阻 (RθJC(top)), OPA211 D (SOIC)",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 62.5,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "结至电路板热阻 (RθJB), OPA211 D (SOIC)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 64.3,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "结至顶部特征参数 (ψJT), OPA211 D (SOIC)",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 14.2,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "结至电路板特征参数 (ψJB), OPA211 D (SOIC)",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 63.6,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  }
}