master
Ray ads1115: undo the 2026-10-02 re-etch (page has a non-factory author; it should not have been touched) 557edff 5d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ads1115",
  "title": "ADS1115",
  "brief": "TI 16-bit I2C ADC, VSSOP-10. 4-ch, integrated PGA + reference, 860 SPS. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "adc",
    "data-converter",
    "i2c",
    "vssop-10",
    "texas-instruments"
  ],
  "component": {
    "mpn": "ADS1115",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-10",
    "pin_count": 10,
    "category": "Data Converter",
    "subcategory": "16-bit I2C ADC",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ads1115.pdf",
    "parts": {
      "symbol": "ads1115.kicad_sym",
      "footprint": "ads1115.kicad_mod",
      "model_3d": "ads1115.glb",
      "lbr": "ads1115.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "ADDR",
        "type": "input",
        "description": "I2C target address select. Tie to GND, VDD, SDA, or SCL to select one of four 7-bit I2C addresses (0x48, 0x49, 0x4A, 0x4B)."
      },
      {
        "number": "2",
        "name": "ALERT/RDY",
        "type": "output",
        "description": "Comparator output or conversion-ready indicator (ADS1114 and ADS1115 only). Open-drain output; connect to VDD via a pullup resistor."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Analog ground reference for the device. Connect to the system ground plane."
      },
      {
        "number": "4",
        "name": "AIN0",
        "type": "input",
        "description": "Analog input 0. Single-ended input or positive/negative side of a differential pair via the input MUX. Absolute input range GND to VDD; must not exceed VDD + 0.3V."
      },
      {
        "number": "5",
        "name": "AIN1",
        "type": "input",
        "description": "Analog input 1. Single-ended input or paired with AIN0 for differential measurement. Absolute input range GND to VDD."
      },
      {
        "number": "6",
        "name": "AIN2",
        "type": "input",
        "description": "Analog input 2 (ADS1115 only). Single-ended input or paired with AIN3 for differential measurement. Absolute input range GND to VDD."
      },
      {
        "number": "7",
        "name": "AIN3",
        "type": "input",
        "description": "Analog input 3 (ADS1115 only). Single-ended input or paired with AIN2 for differential measurement. Absolute input range GND to VDD."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Analog power supply, 2.0V to 5.5V. Connect a 0.1µF decoupling capacitor to GND close to the pin."
      },
      {
        "number": "9",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data input/output (open-drain). Connect to VDD via a pullup resistor. Digital input voltage range GND to 5.5V."
      },
      {
        "number": "10",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input. Connect to VDD via a pullup resistor. Supports Fast Mode (up to 400 kHz) and High-Speed Mode (up to 3.4 MHz)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ads1115.pdf",
        "pages": 57,
        "sha256": "5fe00cf9509daba7",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Type": "16-bit delta-sigma ADC",
      "Inputs": "4 single-ended / 2 differential",
      "Interface": "I2C (4 addresses)",
      "Data rate": "up to 860 SPS",
      "Integrated": "PGA, reference, oscillator, comparator",
      "Supply voltage": "2.0-5.5 V",
      "Package": "VSSOP-10",
      "Body (L×W×H)": "3.0 × 3.0 × 1.1 mm"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ads1115",
    "16-bit i2c adc",
    "4-channel adc",
    "precision adc module"
  ],
  "discovery_pitch": "TI ADS1115 16-bit I2C ADC (VSSOP-10) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads1115.kicad_sym",
    "ads1115.kicad_mod",
    "ads1115.glb",
    "ads1115.lbr",
    "docs/hero.png",
    "docs/ads1115-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ads1115-etched.step"
  ]
}