main
Ray Set visibility: public 0c2f9a7 9d ago
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{
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  "type": "component",
  "slug": "lm2903aqs-13",
  "title": "LM2903AQS-13",
  "brief": "Diodes Incorporated Comparators, SO-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": [
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    "amplifiers-comparators",
    "lm2903aqs-13",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LM2903AQS-13",
    "manufacturer": "Diodes Incorporated",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586199011028586496",
    "parts": {
      "symbol": "lm2903aqs-13.kicad_sym",
      "footprint": "lm2903aqs-13.kicad_mod",
      "model_3d": "lm2903aqs-13-hero.glb",
      "model_3d_plain": "lm2903aqs-13-etched.glb",
      "model_3d_step": "lm2903aqs-13-etched.step",
      "model_3d_step_plain": "lm2903aqs-13.step",
      "lbr": "lm2903aqs-13.lbr"
    },
    "distributor_links": {
      "lcsc": "C182548",
      "digikey": "LM2903AQS-13DITR-ND",
      "mouser": "621-LM2903AQS-13"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T00:17:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM2903AQS-13DITR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "621-LM2903AQS-13",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Channel 1 output, an uncommitted NPN collector (grounded emitter) that needs an external pull-up to any voltage within the permitted supply range, or can be used as a switch to ground."
      },
      {
        "number": "2",
        "name": "1IN-",
        "type": "input",
        "description": "Channel 1 inverting input; the common-mode input range is 0 V to VCC - 1.5 V at 25°C and the input must not go more than 0.3 V below ground."
      },
      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Channel 1 non-inverting input; it has the same common-mode limits as the inverting input, and either input can go to +36 V without damage."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the device is specified with GND = 0 V."
      },
      {
        "number": "5",
        "name": "2IN+",
        "type": "input",
        "description": "Channel 2 non-inverting input; it has the same common-mode limits as the other inputs (0 V to VCC - 1.5 V at 25°C, not below -0.3 V)."
      },
      {
        "number": "6",
        "name": "2IN-",
        "type": "input",
        "description": "Channel 2 inverting input; it has the same common-mode limits as the other inputs (0 V to VCC - 1.5 V at 25°C, not below -0.3 V)."
      },
      {
        "number": "7",
        "name": "2OUT",
        "type": "output",
        "description": "Channel 2 output, an uncommitted NPN collector (grounded emitter) that needs an external pull-up to any voltage within the permitted supply range, or can be used as a switch to ground."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Chip supply voltage; 2 V to 36 V single supply, or ±1 V to ±18 V dual supplies."
      }
    ],
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      "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 table is for the LM2903Q/LM2903AQ dual comparator. The LM2903AQS-13 is the SO-8 (suffix S) v; Pin types for the outputs are set to 'output' based on the datasheet's open-collector NPN descriptio; Pin descriptions combine the page 2 pin table with the limits stated in the Electrical Characteristi"
        ],
        "pages_sent": 20,
        "cost_usd": 0.0905,
        "at": "2026-10-19T00:15:13"
      },
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        "pages": 20,
        "sha256": "e45c666b30bd3a44",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-19",
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  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SO-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
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    "appearance": {
      "contacts": {
        "quote": "• Terminals: Finish – Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 • Weight:",
        "page": 19,
        "doc": "ds.pdf",
        "plating": "tin"
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          "name": "Storage Temperature Range",
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        {
          "name": "ESD Human Body Model Protection, SO-8",
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          "unit": "V",
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          "name": "Input Common-Mode Voltage Range",
          "symbol": "VCMR",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "VCC = 30V (Note 12); TA = +25°C; upper limit printed as VCC -1.5 (Full Range: VCC -2)",
          "source_page": 5,
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        },
        {
          "name": "Input Common-Mode Voltage Range (Full Range)",
          "symbol": "VCMR",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "VCC = 30V (Note 12); Full Range; upper limit printed as VCC-2",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage Gain",
          "symbol": "AV",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 50,
          "typ": 200,
          "max": null,
          "conditions": "VCC = 15V, VOUT = 1V to 11V, RL ≥ 15kΩ, TA = +25°C",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Output Sink Current",
          "symbol": "IO(SINK)",
          "kind": "electrical",
          "unit": "mA",
          "min": 6,
          "typ": 16,
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          "source_page": 5,
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          "name": "Differential Input Voltage",
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          "name": "Input Current",
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          "name": "Operating Junction Temperature",
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        {
          "name": "Lead Temperature (Soldering, 10 seconds)",
          "symbol": "TLEAD",
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          "unit": "°C",
          "min": null,
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          "conditions": "Soldering, 10 seconds",
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        {
          "name": "Package Thermal Impedance, SO-8",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "SO-8 package (Note 6)",
          "source_page": 3,
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        {
          "name": "Input Offset Voltage, A-Suffix Device",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1,
          "max": 2,
          "conditions": "VIC = VCMR Min, VO = 1.4V, VCC = 5V to 30V (Note 10); TA = +25°C",
          "source_page": 5,
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        {
          "name": "Input Offset Voltage, A-Suffix Device (Full Range)",
          "symbol": "VIO",
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          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "VIC = VCMR Min, VO = 1.4V, VCC = 5V to 30V (Note 10); Full Range",
          "source_page": 5,
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        {
          "name": "Input Bias Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 25,
          "max": 250,
          "conditions": "IIN+ or IIN− with OUT in Linear Range, VCM = 0V (Note 11); TA = +25°C",
          "source_page": 5,
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        {
          "name": "Input Bias Current (Full Range)",
          "symbol": "IB",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "IIN+ or IIN− with OUT in Linear Range, VCM = 0V (Note 11); Full Range",
          "source_page": 5,
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        {
          "name": "Input Offset Current",
          "symbol": "IIO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 5,
          "max": 50,
          "conditions": "IIN+ - IIN−, VCM = 0V; TA = +25°C",
          "source_page": 5,
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        },
        {
          "name": "Input Offset Current (Full Range)",
          "symbol": "IIO",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "IIN+ - IIN−, VCM = 0V; Full Range",
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          "name": "Supply Current, VCC = 30V",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.7,
          "max": 1.7,
          "conditions": "RL = ∞ on Both Channels, VCC = 30V; TA = +25°C",
          "source_page": 5,
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          "name": "Supply Current, VCC = 30V (Full Range)",
          "symbol": "ICC",
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          "typ": null,
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          "source_page": 5,
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          "name": "Supply Current, VCC = 5V",
          "symbol": "ICC",
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          "min": null,
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          "unit": "mV",
          "min": null,
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          "max": 400,
          "conditions": "VIN− = 1V, VIN+ = 0, ISINK ≤ 4mA; TA = +25°C",
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          "name": "Saturation Voltage, A-Suffix Device (Full Range)",
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          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VIN− = 0V, VIN+ = 1, VO = 30V; Full Range",
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    "name": "Ray",
    "email": "[email protected]"
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