AD4150B

{
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  "type": "component",
  "slug": "ad4150b",
  "title": "AD4150B",
  "brief": "IDCHIP Audio Amplifiers, MSOP-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",
    "ad4150b",
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  "component": {
    "mpn": "AD4150B",
    "manufacturer": "IDCHIP",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590316456140709888",
    "parts": {
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      "footprint": "ad4150b.kicad_mod",
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      "model_3d_plain": "ad4150b-etched.glb",
      "model_3d_step": "ad4150b-etched.step",
      "model_3d_step_plain": "ad4150b.step",
      "lbr": "ad4150b.lbr"
    },
    "distributor_links": {
      "lcsc": "C5125078"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:13:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SD",
        "type": "input",
        "description": "Shutdown control input: high level for normal operation, low level stops the chip (shutdown current 0.2 µA typ); must be held at a stable voltage."
      },
      {
        "number": "2",
        "name": "BYP",
        "type": "passive",
        "description": "Bias voltage (VDD/2) output; connect a 0.1 µF to 1 µF bypass capacitor CB (1 µF or larger recommended)."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No function; the datasheet states pin 3 has no function (typical circuit ties it to the BYP net)."
      },
      {
        "number": "4",
        "name": "INN",
        "type": "input",
        "description": "Analog inverting input; gain set by external input resistor Ri via AVD=2*(120K/Ri), with input coupling capacitor Ci."
      },
      {
        "number": "5",
        "name": "VO1",
        "type": "output",
        "description": "Analog output 1 of the bridge-tied load amplifier, connected to one speaker terminal."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply, 1.8V to 5.5V operating range, with decoupling capacitor close to the pin."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "8",
        "name": "VO2",
        "type": "output",
        "description": "Analog output 2 of the bridge-tied load amplifier, connected to the other speaker terminal."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 3 is listed as NC in the table and the datasheet says it has no function, but the typical applic; The BYP pin type is inferred as passive because it is a bias output that only drives an external cap",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.1214,
        "at": "2026-10-17T23:11:27"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590316456140709888",
        "pages": 7,
        "sha256": "8adc4d213395484a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "centre_offset_mm": 0,
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        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-17",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "IDCHIP",
      "Package": "MSOP-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8adc4d213395484ae95504aa428f2f9a70be4d2686e1c5b6358d42b61a62e558",
      "rows": [
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          "name": "电源电压 (supply voltage, absolute maximum)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输入电压 (input voltage, absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "人体模型静电电压 (HBM ESD)",
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          "unit": "V",
          "min": null,
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          "max": 3000,
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        },
        {
          "name": "机器模型静电电压 (MM ESD)",
          "symbol": "MM ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "储存温度 (storage temperature)",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "节点温度 (junction temperature)",
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        {
          "name": "焊接温度 (soldering temperature)",
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          "unit": "℃",
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          "conditions": "10秒内",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "工作电压 (recommended operating supply voltage)",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
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        },
        {
          "name": "工作温度 (operating temperature)",
          "symbol": "Topr",
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          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SD输入高电平 (SD input high level)",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.6,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SD输入低电平 (SD input low level)",
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          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "工作电压 (operating voltage, electrical table)",
          "symbol": "VDD",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": 5,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输出失调电压 (output offset voltage)",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": 30,
          "conditions": "VIN=0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "电源抑制比 (PSRR)",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 68,
          "max": null,
          "conditions": "Vripple=200mVPP,f=1KHz",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "AD4150B (IDCHIP) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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