main
Ray Set visibility: public 9e44f41 7h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm258a",
  "title": "LM258A",
  "brief": "Slkor SLKORMICRO Elec Operational Amplifier, SOP-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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  "component": {
    "mpn": "LM258A",
    "manufacturer": "Slkor SLKORMICRO Elec",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Operational Amplifier",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589039739680247808",
    "parts": {
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      "footprint": "lm258a.kicad_mod",
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      "lbr": "lm258a.lbr"
    },
    "distributor_links": {
      "lcsc": "C2943014"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T13:12:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Output of operational amplifier 1; the electrical table gives source current of 20 mA min (40 mA typ) and sink current of 10 mA min (15 mA typ) at Vcc=15V, Vo=2V."
      },
      {
        "number": "2",
        "name": "1IN-",
        "type": "input",
        "description": "Inverting input of operational amplifier 1; input voltage range is -0.3 V to VCC per the absolute maximum ratings."
      },
      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Non-inverting input of operational amplifier 1; input common-mode range is 0 to Vcc-1.5 V per the electrical table."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, used as the negative supply (VEE) in dual-supply operation; the device can run from a single supply or from dual supplies."
      },
      {
        "number": "5",
        "name": "2IN+",
        "type": "input",
        "description": "Non-inverting input of operational amplifier 2; input common-mode range is 0 to Vcc-1.5 V per the electrical table."
      },
      {
        "number": "6",
        "name": "2IN-",
        "type": "input",
        "description": "Inverting input of operational amplifier 2; input voltage range is -0.3 V to VCC per the absolute maximum ratings."
      },
      {
        "number": "7",
        "name": "2OUT",
        "type": "output",
        "description": "Output of operational amplifier 2; the electrical table gives source current of 20 mA min (40 mA typ) and sink current of 10 mA min (15 mA typ) at Vcc=15V, Vo=2V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin; absolute maximum supply voltage is 32 V (or ±16 V for dual supply)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "primary_model": "claude-haiku-5-5",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pinout diagram text is garbled in extraction. Pin numbers 1-7 are printed in sequence and pin 8 ; The datasheet gives the same pinout for DIP-8 and SOP-8 and does not list a separate SOP-8-only pin ; Pin descriptions for the input and output pins combine the absolute maximum ratings and electrical c"
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        "cost_usd": 0.0323,
        "at": "2026-10-18T13:10:15"
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        "pages": 4,
        "sha256": "f4bf7912ad73fef0",
        "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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  "metadata": {
    "specs": {
      "Manufacturer": "Slkor SLKORMICRO Elec",
      "Package": "SOP-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
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          "conditions": "",
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          "name": "Differential input voltage",
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        {
          "name": "Input voltage",
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          "name": "Power dissipation",
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          "unit": "mW",
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          "kind": "absolute_maximum",
          "unit": "mA",
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          "max": 50,
          "conditions": "VIN<-0.3V",
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        {
          "name": "Maximum junction temperature",
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        {
          "name": "Storage temperature",
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          "name": "Input offset voltage",
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          "typ": 2,
          "max": 5,
          "conditions": "Ta=25°C",
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        {
          "name": "Input bias current",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA",
          "min": -150,
          "typ": 45,
          "max": 150,
          "conditions": "Ta=25°C, IIN(+) or IIN(-), VCM=0V",
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        {
          "name": "Input offset current",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA",
          "min": -50,
          "typ": 3,
          "max": 50,
          "conditions": "Ta=25°C, IIN(+) – IIN(-), VCM=0V",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Input common-mode voltage range",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Ta=25°C, V+=30V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply current (Vcc=30V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": 2,
          "conditions": "RL=∞, all operational amplifiers, Vcc=30V",
          "source_page": 2,
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        {
          "name": "Supply current (Vcc=5V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.5,
          "max": 1.2,
          "conditions": "RL=∞, all operational amplifiers, Vcc=5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Large signal voltage gain",
          "symbol": "",
          "kind": "electrical",
          "unit": "V/mV",
          "min": 25,
          "typ": 100,
          "max": null,
          "conditions": "Vcc=15V, Ta=25°C, RL≥2kΩ, Vo=1~11V",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Common mode rejection ratio",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 70,
          "typ": 90,
          "max": null,
          "conditions": "DC, Ta=25°C, VCM=0~Vcc-1.5V",
          "source_page": 2,
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        {
          "name": "Power supply rejection ratio",
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          "min": 65,
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          "conditions": "DC, Ta=25°C, Vcc=5~30V",
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          "name": "Output source current",
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          "typ": 40,
          "max": null,
          "conditions": "VIN(+)=1V, VIN(-)=0V, Vcc=15V, Vo=2V, Ta=25°C",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Output sink current",
          "symbol": "",
          "kind": "electrical",
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          "min": 10,
          "typ": 15,
          "max": null,
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        {
          "name": "Output sink current (small output)",
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          "min": 12,
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          "max": null,
          "conditions": "VIN(-)=1V, VIN(+)=0V, Vcc=15V, Vo=200mV, Ta=25°C",
          "source_page": 2,
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        {
          "name": "Output short-circuit current to ground",
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          "kind": "electrical",
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          "min": 40,
          "typ": 60,
          "max": null,
          "conditions": "Vcc=15V, Ta=25°C",
          "source_page": 2,
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        {
          "name": "Output high voltage (RL=2kΩ)",
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          "min": 26,
          "typ": null,
          "max": null,
          "conditions": "Vcc=30V, RL=2kΩ",
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          "name": "Output high voltage (RL=10kΩ)",
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          "min": 27,
          "typ": 28,
          "max": null,
          "conditions": "Vcc=30V, RL=10kΩ",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output low voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": 20,
          "conditions": "Vcc=5V, RL=10kΩ",
          "source_page": 2,
          "source": "datasheet"
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    "name": "Ray",
    "email": "[email protected]"
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