main
Ray lm2904qs-13: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body… d6f55f5 1d ago
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{
  "slug": "lm2904qs-13",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated Operational Amplifier, SO-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "op-amp-cmp",
    "lm2904qs-13"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2904qs-13.kicad_sym",
    "lm2904qs-13.kicad_mod",
    "lm2904qs-13.glb",
    "lm2904qs-13.step",
    "lm2904qs-13.lbr",
    "docs/hero.png",
    "docs/lm2904qs-13-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2904qs-13-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "component": {
    "mpn": "LM2904QS-13",
    "manufacturer": "Diodes Incorporated",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Operational Amplifier",
    "parts": {
      "symbol": "lm2904qs-13.kicad_sym",
      "footprint": "lm2904qs-13.kicad_mod",
      "model_3d": "lm2904qs-13-etched.glb",
      "model_3d_plain": "lm2904qs-13.glb",
      "model_3d_step": "lm2904qs-13-etched.step",
      "model_3d_step_plain": "lm2904qs-13.step",
      "lbr": "lm2904qs-13.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Channel 1 output. Op-amp output stage capable of sourcing/sinking up to ~40mA (typ short-circuit), swinging from ~0V to VCC-1.5V."
      },
      {
        "number": "2",
        "name": "1IN-",
        "type": "input",
        "description": "Channel 1 inverting input. High-impedance input with typical input bias current of -20nA (PNP input stage sources current out of the pin)."
      },
      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Channel 1 non-inverting input. Input common-mode voltage range includes ground (0V to VCC-1.5V); tolerates up to +36V without damage."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / negative supply. In single-supply operation this is 0V; in dual-supply operation this connects to the negative rail (down to -18V relative to VCC)."
      },
      {
        "number": "5",
        "name": "2IN+",
        "type": "input",
        "description": "Channel 2 non-inverting input. Input common-mode voltage range includes ground (0V to VCC-1.5V); tolerates up to +36V without damage."
      },
      {
        "number": "6",
        "name": "2IN-",
        "type": "input",
        "description": "Channel 2 inverting input. High-impedance input with typical input bias current of -20nA (PNP input stage sources current out of the pin)."
      },
      {
        "number": "7",
        "name": "2OUT",
        "type": "output",
        "description": "Channel 2 output. Op-amp output stage capable of sourcing/sinking up to ~40mA (typ short-circuit), swinging from ~0V to VCC-1.5V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Chip positive supply voltage. Single supply 3V to 36V, or positive rail of dual supply ±1.5V to ±18V. Bypass with 0.1µF ceramic close to pin."
      }
    ],
    "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": "C2057746",
      "digikey": "LM2904QS-13DITR-ND",
      "mouser": "621-LM2904QS-13"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T19:04:16Z",
      "source": "Component Ocean /api/assign-pns + lcsc_map",
      "digikey": {
        "pn": "LM2904QS-13DITR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "621-LM2904QS-13",
        "status": "found"
      }
    },
    "models_3d": [
      {
        "file": "lm2904qs-13.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": "lm2904qs-13-etched.step",
        "role": "eda",
        "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": "a599d68f092cea88a031e950514c2f4bf64bfce66d5c951121b9f630439e8a8e",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": null,
      "rows": [
        {
          "name": "Input Offset Voltage (Non-A device)",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 2,
          "max": 7,
          "conditions": "TA=+25°C; VIC=VCMR Minimum; VO=1.4V; VCC=5V to Maximum; RS=0Ω",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Voltage (Non-A device)",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "Full Range; VIC=VCMR Minimum; VO=1.4V; VCC=5V to Maximum; RS=0Ω",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": -20,
          "max": -250,
          "conditions": "IIN+ or IIN− with OUT in linear range; VCMR=0V; TA=+25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -500,
          "conditions": "IIN+ or IIN− with OUT in linear range; VCMR=0V; Full Range",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Current",
          "symbol": "IIO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 2,
          "max": 50,
          "conditions": "IIN+ - IIN−, VCM=0V; TA=+25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Current",
          "symbol": "IIO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "IIN+ - IIN−, VCM=0V; Full Range",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Common-Mode Voltage Range (lower limit)",
          "symbol": "VCMR",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "VCC=30V; TA=+25°C; printed upper limit VCC -1.5 V (expression, not numeric)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (Two Amplifiers)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.7,
          "max": 2,
          "conditions": "VO=0.5 VCC, No Load, VCC=30V; Full Range",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (Two Amplifiers)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.5,
          "max": 1.2,
          "conditions": "VO=0.5 VCC, No Load, VCC=5V; Full Range",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Voltage Gain",
          "symbol": "AV",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 25,
          "typ": 100,
          "max": null,
          "conditions": "VCC=15V, VOUT=1V to 11V, RL≥2kΩ; TA=+25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Voltage Gain",
          "symbol": "AV",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 15,
          "typ": null,
          "max": null,
          "conditions": "VCC=15V, VOUT=1V to 11V, RL≥2kΩ; Full Range",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Common Mode Rejection Ratio",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 70,
          "max": null,
          "conditions": "DC, VCMR=0V to VCC-1.5V; TA=+25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 70,
          "typ": 100,
          "max": null,
          "conditions": "VCC=5V to 30V; TA=+25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output Current Sink (small output)",
          "symbol": "ISINK",
          "kind": "electrical",
          "unit": "µA",
          "min": 12,
          "typ": 50,
          "max": null,
          "conditions": "VIN-=1V, VIN+=0V, VCC=15V, VO=200mV; TA=+25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output Current Sink",
          "symbol": "ISINK",
          "kind": "electrical",
          "unit": "mA",
          "min": 10,
          "typ": 20,
          "max": null,
          "conditions": "VIN-=1V, VIN+=0V, VCC=15V, VO=15V; TA=+25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output Current Sink",
          "symbol": "ISINK",
          "kind": "electrical",
          "unit": "mA",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "VIN-=1V, VIN+=0V, VCC=15V, VO=15V; Full Range",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output Current Source",
          "symbol": "ISOURCE",
          "kind": "electrical",
          "unit": "",
          "min": -20,
          "typ": -40,
          "max": -60,
          "conditions": "VIN+=1V, VIN-=0V, VCC=15V, VO=0V; TA=+25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output Current Source",
          "symbol": "ISOURCE",
          "kind": "electrical",
          "unit": "",
          "min": -10,
          "typ": null,
          "max": null,
          "conditions": "VIN+=1V, VIN-=0V, VCC=15V, VO=0V; Full Range",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Short-Circuit to Ground",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": -60,
          "typ": 40,
          "max": 60,
          "conditions": "VCC=5V, GND=-5V, VO=0V; TA=+25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High-Level Output Voltage Swing",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 26,
          "typ": null,
          "max": null,
          "conditions": "VCC=30V, RL=2kΩ; Full Range",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High-Level Output Voltage Swing",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 27,
          "typ": 28,
          "max": null,
          "conditions": "VCC=30V, RL≥10kΩ",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Output Voltage Swing",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": 20,
          "conditions": "RL≤10kΩ; Full Range",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage (single supply, dual ±18 or 36)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "Printed as ±18 or 36 V; 36 V single-supply value",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Differential Input Voltage",
          "symbol": "VID",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD Human Body Model (SO-8)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "Human body model, 1.5kΩ in series with 100pF; SO-8 package",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Single Supply Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 36,
          "conditions": "Single supply",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dual Supply Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": 18,
          "conditions": "Dual supply; printed ±1 and ±18 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Over operating free-air temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Impedance, SO-8 (θJA)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "SO-8 package",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  }
}