OPA2340 Dual RRIO Op-Amp

{
  "schema_version": 1,
  "type": "component",
  "slug": "opa2340",
  "title": "OPA2340 Dual RRIO Op-Amp",
  "brief": "Dual rail-to-rail input/output op-amp with 5.5 MHz bandwidth, single-supply.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "op-amp",
    "rail-to-rail",
    "dual",
    "single-supply",
    "ti",
    "soic-8"
  ],
  "component": {
    "mpn": "OPA2340",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Analog",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://www.ti.com/lit/ds/symlink/opa2340.pdf",
    "parts": {
      "symbol": "opa2340.kicad_sym",
      "footprint": "opa2340.kicad_mod",
      "model_3d": "opa2340-etched.glb",
      "model_3d_plain": "opa2340.glb",
      "model_3d_step": "opa2340-etched.step",
      "model_3d_step_plain": "opa2340.step",
      "lbr": "opa2340.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OUT A",
        "type": "output",
        "description": "Output of amplifier channel A. Rail-to-rail output swings within 1 mV of supply rails with a 100-kOhm load."
      },
      {
        "number": "2",
        "name": "-IN A",
        "type": "input",
        "description": "Negative (inverting) input of amplifier channel A. Rail-to-rail input common-mode range extends 500 mV below V- and 500 mV above V+."
      },
      {
        "number": "3",
        "name": "+IN A",
        "type": "input",
        "description": "Positive (noninverting) input of amplifier channel A. Rail-to-rail input common-mode range extends 500 mV below V- and 500 mV above V+."
      },
      {
        "number": "4",
        "name": "V-",
        "type": "power_in",
        "description": "Negative (lowest) power supply. Typically ground in single-supply operation. Total supply voltage V+ to V- must be 2.7 V to 5.5 V."
      },
      {
        "number": "5",
        "name": "+IN B",
        "type": "input",
        "description": "Positive (noninverting) input of amplifier channel B. Rail-to-rail input common-mode range extends 500 mV below V- and 500 mV above V+."
      },
      {
        "number": "6",
        "name": "-IN B",
        "type": "input",
        "description": "Negative (inverting) input of amplifier channel B. Rail-to-rail input common-mode range extends 500 mV below V- and 500 mV above V+."
      },
      {
        "number": "7",
        "name": "OUT B",
        "type": "output",
        "description": "Output of amplifier channel B. Rail-to-rail output swings within 1 mV of supply rails with a 100-kOhm load."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive (highest) power supply. Single-supply range 2.7 V to 5.5 V referenced to V-. Bypass with a 0.1 uF ceramic capacitor to V-."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/opa2340.pdf",
        "pages": 48,
        "sha256": "8099f9f9e8e49c45",
        "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": "opa2340.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "opa2340-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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "0375302172b94d60851bde6efdc60d709b5d94ddfb02059264190b6405553aef",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Dual rail-to-rail I/O op-amp",
      "Gain-bandwidth product": "5.5 MHz typ",
      "Supply voltage": "2.5 V to 5.5 V single",
      "Supply current": "750 uA/amp typ",
      "Slew rate": "6 V/us typ",
      "Input offset voltage": "150 uV typ",
      "Operating temperature": "-40 C to 85 C"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "rail-to-rail op-amp",
    "single-supply amplifier",
    "dual RRIO op-amp",
    "sensor buffer"
  ],
  "discovery_pitch": "Two rail-to-rail input/output op-amps that swing to both supply rails for single-supply sensor and signal conditioning.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "opa2340.kicad_mod",
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    "opa2340.step",
    "opa2340.lbr",
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    "docs/opa2340-datasheet.pdf",
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  "variants": [
    {
      "mpn": "OPA2340DGK",
      "kind": "unknown"
    },
    {
      "mpn": "OPA2340DGKR",
      "kind": "unknown"
    },
    {
      "mpn": "OPA2340D",
      "kind": "unknown"
    },
    {
      "mpn": "OPA2340DR",
      "kind": "unknown"
    },
    {
      "mpn": "OPA2340P",
      "kind": "unknown"
    }
  ]
}