XL2903-KR

{
  "schema_version": 1,
  "type": "component",
  "slug": "xl2903-kr",
  "title": "XL2903-KR",
  "brief": "XINLUDA Operational Amplifier, VSSOP-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-comparators",
    "xl2903-kr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "XL2903-KR",
    "manufacturer": "XINLUDA",
    "package": "VSSOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8765628209247600640",
    "parts": {
      "symbol": "xl2903-kr.kicad_sym",
      "footprint": "xl2903-kr.kicad_mod",
      "model_3d": "xl2903-kr-hero.glb",
      "model_3d_plain": "xl2903-kr-etched.glb",
      "model_3d_step": "xl2903-kr-etched.step",
      "model_3d_step_plain": "xl2903-kr.step",
      "lbr": "xl2903-kr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5125490"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T09:38:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Output pin of comparator 1; it is an open-drain NPN pull-down whose logic-low voltage (VOL) is resistive and scales with output current."
      },
      {
        "number": "2",
        "name": "1IN-",
        "type": "input",
        "description": "Negative input pin of comparator 1; the voltage must not go below -0.3 V, and the common-mode range extends from ground to VCC-2 V over the full temperature range."
      },
      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Positive input pin of comparator 1; the voltage must not go below -0.3 V, and the common-mode range extends from ground to VCC-2 V over the full temperature range."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; all voltages except differential voltages are referenced to network ground."
      },
      {
        "number": "5",
        "name": "2IN+",
        "type": "input",
        "description": "Positive input pin of comparator 2; the voltage must not go below -0.3 V, and the common-mode range extends from ground to VCC-2 V over the full temperature range."
      },
      {
        "number": "6",
        "name": "2IN-",
        "type": "input",
        "description": "Negative input pin of comparator 2; the voltage must not go below -0.3 V, and the common-mode range extends from ground to VCC-2 V over the full temperature range."
      },
      {
        "number": "7",
        "name": "2OUT",
        "type": "output",
        "description": "Output pin of comparator 2; it is an open-drain NPN pull-down whose logic-low voltage (VOL) is resistive and scales with output current."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin; the recommended supply range is 2 V to 30 V, with an absolute maximum of 36 V."
      }
    ],
    "provenance": {
      "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 datasheet pin table lists SOP8/VSSOP8 and TSSOP8/DIP8 together with a single set of pin numbers,; The pin-function table prints pin 1 as '10UT' in the extracted text; it is read here as 1OUT, which ; Ordering table gives XL2903-KR as VSSOP8 (3.00 x 3.00 mm, marking 2903-KR, T&R 2500), so the package"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0439,
        "at": "2026-10-18T09:35:51"
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        "sha256": "684d00669bcd787d",
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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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  "metadata": {
    "specs": {
      "Manufacturer": "XINLUDA",
      "Package": "VSSOP-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
        {
          "name": "Input offset voltage (25°C)",
          "symbol": "VID",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 6,
          "max": 15,
          "conditions": "Vcc = 5 V to MAX; Vic = VICR min, Vo = 1.4 V; 25°C",
          "source_page": 6,
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        {
          "name": "Input offset voltage (Full range)",
          "symbol": "VID",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "Vcc = 5 V to MAX; Vic = VICR min, Vo = 1.4 V; Full range",
          "source_page": 6,
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        },
        {
          "name": "Input offset current (25°C)",
          "symbol": "IIO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 18,
          "max": 130,
          "conditions": "Vo = 1.4 V; 25°C",
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        {
          "name": "Input offset current (Full range)",
          "symbol": "IIO",
          "kind": "electrical",
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          "typ": null,
          "max": 360,
          "conditions": "Vo = 1.4 V; Full range",
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        },
        {
          "name": "Input bias current (25°C)",
          "symbol": "IIB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": -45,
          "max": -400,
          "conditions": "Vo = 1.4 V; 25°C",
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        {
          "name": "Input bias current (Full range)",
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          "max": -600,
          "conditions": "Vo = 1.4 V; Full range",
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        {
          "name": "Common-mode input-voltage range (25°C)",
          "symbol": "VICR",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "25°C",
          "source_page": 6,
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        },
        {
          "name": "Common-mode input-voltage range (Full range)",
          "symbol": "VICR",
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          "max": null,
          "conditions": "Full range",
          "source_page": 6,
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        },
        {
          "name": "Large-signal differential voltage amplification (25°C)",
          "symbol": "AVD",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 50,
          "typ": 200,
          "max": null,
          "conditions": "VCC = 15 V; Vo = 1.4 V to 11.4 V; RL ≥ 15 kΩ to Vcc; 25°C",
          "source_page": 6,
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        },
        {
          "name": "High-level output current (25°C)",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 0.7,
          "max": 120,
          "conditions": "VOH = 5 V; VID = 1 V; 25°C",
          "source_page": 6,
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        },
        {
          "name": "High-level output current (Full range)",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VOH = VCC MAX; VID = 1 V; Full range",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage (25°C)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 200,
          "max": 500,
          "conditions": "IOL = 4 mA; VID = -1 V; 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage (Full range)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "IOL = 4 mA; VID = -1 V; Full range",
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        {
          "name": "Low-level output current (25°C)",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "mA",
          "min": 3,
          "typ": null,
          "max": null,
          "conditions": "VO = 1.5 V; VID = -1 V; 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply current (Vcc = 5 V, 25°C)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.1,
          "max": 3,
          "conditions": "RL = ∞; Vcc = 5 V; 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply current (Vcc = MAX, Full range)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "RL = ∞; Vcc = MAX; Full range",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Absolute max: supply voltage range",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Absolute max: differential input voltage",
          "symbol": "VID",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -36,
          "typ": null,
          "max": 36,
          "conditions": "",
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        {
          "name": "Absolute max: input pin voltage range",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 36,
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        {
          "name": "Absolute max: output pin voltage range",
          "symbol": "VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 36,
          "conditions": "",
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        {
          "name": "Absolute max: output current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
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        },
        {
          "name": "Absolute max: operating virtual-junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Absolute max: storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -50,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Recommended: supply voltage range",
          "symbol": "Vs",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 30,
          "conditions": "Vs = VCC - GND",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Recommended: input pin voltage range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Recommended: ambient temperature TA (2903)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -25,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Response time (100-mV step, 5-mV overdrive)",
          "symbol": "",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 2.1,
          "max": null,
          "conditions": "Ri connected to 5 V through 5.1 kΩ; CL = 15 pF; 100-mV input step with 5-mV overdrive",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Response time (TTL-level input step)",
          "symbol": "",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "TTL-level input step",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (VSSOP8)",
          "symbol": "RSJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 210,
          "max": null,
          "conditions": "VSSOP8 8 pins; typical value",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance (VSSOP8)",
          "symbol": "Rejc(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 102,
          "max": null,
          "conditions": "VSSOP8 8 pins; typical value",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "XL2903-KR (XINLUDA) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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