LM75AD

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm75ad",
  "title": "LM75AD",
  "brief": "NXP Semicon 118 Temperature and Humidity Sensor, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "lm75ad"
  ],
  "component": {
    "mpn": "LM75AD",
    "manufacturer": "NXP Semicon 118",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Sensor",
    "subcategory": "Temperature and Humidity Sensor",
    "datasheet": "https://www.nxp.com/docs/en/data-sheet/LM75AD.pdf",
    "parts": {
      "symbol": "lm75ad.kicad_sym",
      "footprint": "lm75ad.kicad_mod",
      "model_3d": "lm75ad-etched.glb",
      "model_3d_plain": "lm75ad.glb",
      "model_3d_step": "lm75ad-etched.step",
      "model_3d_step_plain": "lm75ad.step",
      "lbr": "lm75ad.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C-bus serial bidirectional data line; open-drain. Requires an external pull-up (~10 kΩ) to VCC if the bus does not already provide one. Must not be left floating."
      },
      {
        "number": "2",
        "name": "SCL",
        "type": "input",
        "description": "I2C-bus serial clock input, driven by the bus master. Requires an external pull-up (~10 kΩ) to VCC if the bus does not already provide one. Must not be left floating."
      },
      {
        "number": "3",
        "name": "OS",
        "type": "output",
        "description": "Overtemperature Shutdown output; open-drain. Asserts when Temp exceeds the programmed Tos limit (comparator or interrupt mode selectable). Needs an external pull-up as large as possible, up to 200 kΩ, to minimize self-heating error."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference. Connect to system ground."
      },
      {
        "number": "5",
        "name": "A2",
        "type": "input",
        "description": "User-defined I2C slave address bit 2. Tie to GND for logic 0 or VCC for logic 1; must not be left floating (not internally biased)."
      },
      {
        "number": "6",
        "name": "A1",
        "type": "input",
        "description": "User-defined I2C slave address bit 1. Tie to GND for logic 0 or VCC for logic 1; must not be left floating (not internally biased)."
      },
      {
        "number": "7",
        "name": "A0",
        "type": "input",
        "description": "User-defined I2C slave address bit 0. Tie to GND for logic 0 or VCC for logic 1; must not be left floating (not internally biased)."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive power supply, 2.8 V to 5.5 V. Bypass to GND with a local decoupling capacitor."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.nxp.com/docs/en/data-sheet/LM75AD.pdf",
        "pages": 24,
        "sha256": "fc76b747cd9e78c4",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "lm75ad.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm75ad-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "bb5f63247940d57473ce4219f017f6bb9cc248800967e70d5fa66d7b59fe239b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "NXP Semicon 118",
      "Package": "SOIC-8",
      "Category": "Sensor",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm75ad"
  ],
  "discovery_pitch": "LM75AD (NXP Semicon 118) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm75ad.kicad_sym",
    "lm75ad.kicad_mod",
    "lm75ad.glb",
    "lm75ad.step",
    "lm75ad-etched.step",
    "lm75ad.lbr",
    "docs/hero.png",
    "docs/lm75ad-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LM75AD",
      "kind": "packaging"
    },
    {
      "mpn": "LM75ADP",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T17:08:00.065Z"
}