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Ray Set visibility: public 47842fd 4d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lm4675sdx",
  "title": "LM4675SDX",
  "brief": "Texas Instruments Audio Power OpAmps, WSON-8-EP(3x3). 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",
    "operational amplifier-comparator",
    "lm4675sdx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM4675SDX",
    "manufacturer": "Texas Instruments",
    "package": "WSON-8-EP(3x3)",
    "pin_count": 9,
    "category": "Operational Amplifier/Comparator",
    "subcategory": "Audio Power OpAmps",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lm4675sdx.pdf",
    "parts": {
      "symbol": "lm4675sdx.kicad_sym",
      "footprint": "lm4675sdx.kicad_mod",
      "model_3d": "lm4675sdx-hero.glb",
      "model_3d_plain": "lm4675sdx-etched.glb",
      "model_3d_step": "lm4675sdx-etched.step",
      "model_3d_step_plain": "lm4675sdx.step",
      "lbr": "lm4675sdx.lbr"
    },
    "distributor_links": {
      "lcsc": "C2870881"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T19:22:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN+",
        "type": "input",
        "description": "Non-inverting differential audio input, with gain set as AV = 2 * 150kΩ / Ri by the external input resistor."
      },
      {
        "number": "2",
        "name": "IN-",
        "type": "input",
        "description": "Inverting differential audio input, with gain set as AV = 2 * 150kΩ / Ri by the external input resistor."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage pin, operating range 2.4V to 5.5V, to be bypassed with a 4.7µF capacitor placed close to the device."
      },
      {
        "number": "4",
        "name": "SHDN",
        "type": "input",
        "description": "Active-low shutdown input: a logic low (GND) or floating pin enters shutdown, with 1.4V minimum for high and 0.4V maximum for low, and an internal 300kΩ resistor to GND."
      },
      {
        "number": "5",
        "name": "VO1",
        "type": "output",
        "description": "Filterless spread-spectrum PWM output 1 to the speaker, switching between VDD and GND at 300kHz ±30%."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, the reference for all voltages (absolute maximum input voltage is GND - 0.3V)."
      },
      {
        "number": "7",
        "name": "PVDD",
        "type": "power_in",
        "description": "Power-stage supply pin, operating range 2.4V to 5.5V, tied to the same supply as VDD."
      },
      {
        "number": "8",
        "name": "VO2",
        "type": "output",
        "description": "Filterless spread-spectrum PWM output 2 to the speaker, switching between VDD and GND at 300kHz ±30%."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed thermal pad that must be soldered to the printed circuit board for thermal and mechanical performance."
      }
    ],
    "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: The datasheet says the exposed thermal pad (pad 9) must be soldered to the PCB but does not say whic; The block diagram (Figure 2) shows separate GND and PGND pins, but the 8-pin WSON drawing (Figure 4)",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 25,
        "cost_usd": 0.5194,
        "at": "2026-11-02T19:21:55"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lm4675sdx.pdf",
        "pages": 25,
        "sha256": "752c3b1f4bd86b09",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.98,
          0.82
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "cbee016fb8ee69c44b13d8818fcf65dcf240f5fdca70b22700521eb617c5311a",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm4675sdx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "02549353be7ae1061dd3d1d0206ca06fb9e013a17d9d4878817b6ccfc31e7a3a",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "NGQ0008A",
      "source_page": 21,
      "D": {
        "nom_mm": 3,
        "range_mm": [
          2.9,
          3.1
        ]
      },
      "E1": {
        "nom_mm": 3,
        "range_mm": [
          2.9,
          3.1
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.75,
        "range_mm": [
          0.7,
          0.8
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "lm4675sdx.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WSON-8-EP(3x3)",
      "Category": "Operational Amplifier/Comparator",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "752c3b1f4bd86b0945567b408a1e0f564d218eeefdc3a6d497164631163af31a",
      "rows": [
        {
          "name": "Logic High Input Current",
          "symbol": "|IIH|",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 17,
          "max": 100,
          "conditions": "VDD = 5.0V, VI = 5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Logic Low Input Current",
          "symbol": "|IIL|",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.9,
          "max": 5,
          "conditions": "VDD = 5.0V, VI = –0.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Power Supply Current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.8,
          "max": 3.9,
          "conditions": "VIN = 0V, No Load, VDD = 5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Power Supply Current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.2,
          "max": 2.9,
          "conditions": "VIN = 0V, No Load, VDD = 3.6V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Power Supply Current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.6,
          "max": 2.3,
          "conditions": "VIN = 0V, No Load, VDD = 2.4V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "VSHUTDOWN = 0V, VDD = 2.4V to 5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown voltage input high",
          "symbol": "VSDIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown voltage input low",
          "symbol": "VSDIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Power THD=1%, 8Ω",
          "symbol": "PO",
          "kind": "electrical",
          "unit": "mW",
          "min": 600,
          "typ": 650,
          "max": null,
          "conditions": "RL = 15µH + 8Ω + 15µH, THD = 1%, VDD = 3.6V, f = 1kHz, 22kHz BW",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage (absolute max)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJMAX",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility, all other pins",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Human body model, 100pF discharged through 1.5kΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility (machine model)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Machine Model, 220pF–240pF discharged through all pins",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Voltage at Any Input Pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.3,
          "conditions": "GND - 0.3V to VDD + 0.3V (min relative to GND, max relative to VDD)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance θJA (WSON)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 73,
          "max": null,
          "conditions": "WSON",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Differential Output Offset Voltage",
          "symbol": "|VOS|",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "VI = 0V, AV = 2V/V, VDD = 2.4V to 5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Impedance in shutdown",
          "symbol": "ROSD",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VSHUTDOWN = 0.4V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Resistance from Shutdown Pin to GND",
          "symbol": "RSD",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Switching Frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "±30%",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 82,
          "max": null,
          "conditions": "VRipple = 200mVPP Sine, fRipple = 217Hz, VDD = 3.6, 5V, Inputs to AC GND, CI = 2µF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Wake-up Time",
          "symbol": "TWU",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 17,
          "max": null,
          "conditions": "VDD = 3.6V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Common Mode Rejection Ratio",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "VDD = 3.6V, VRipple = 1VPP Sine, fRipple = 217Hz",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "LM4675SDX (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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}