ADS1120IPWR

{
  "schema_version": 1,
  "type": "component",
  "slug": "ads1120ipwr",
  "title": "ADS1120IPWR",
  "brief": "Texas Instruments Analog To Digital Converters (ADC), TSSOP-16. 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",
    "data acquisition",
    "ads1120ipwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ADS1120IPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ads1120",
    "parts": {
      "symbol": "ads1120ipwr.kicad_sym",
      "footprint": "ads1120ipwr.kicad_mod",
      "model_3d": "ads1120ipwr-etched.glb",
      "model_3d_plain": "ads1120ipwr.glb",
      "model_3d_step": "ads1120ipwr-etched.step",
      "model_3d_step_plain": "ads1120ipwr.step",
      "lbr": "ads1120ipwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C84284"
    },
    "pins": [
      {
        "number": "1",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input for SPI communication; keep low when interface is idle."
      },
      {
        "number": "2",
        "name": "CS",
        "type": "input",
        "description": "Chip select input, active low; connect to DGND when not sharing SPI bus."
      },
      {
        "number": "3",
        "name": "CLK",
        "type": "input",
        "description": "External clock source input; connect to DGND to enable internal oscillator."
      },
      {
        "number": "4",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference for digital power supply and I/O logic circuits."
      },
      {
        "number": "5",
        "name": "AVSS",
        "type": "power_in",
        "description": "Negative analog power supply reference; range −0.1V to 0.1V relative to DGND in single-supply or ±2.5V in dual-supply operation."
      },
      {
        "number": "6",
        "name": "AIN3/REFN1",
        "type": "input",
        "description": "Analog input 3 or negative reference input 1; internal low-side power switch connected between this pin and AVSS."
      },
      {
        "number": "7",
        "name": "AIN2",
        "type": "input",
        "description": "Analog input 2; accepts differential or single-ended signals within −0.1V to AVDD+0.1V absolute range."
      },
      {
        "number": "8",
        "name": "REFN0",
        "type": "input",
        "description": "Negative reference input 0; differential reference voltage VREF = VREFP0 − VREFN0 must be 0.75V to 2.5V."
      },
      {
        "number": "9",
        "name": "REFP0",
        "type": "input",
        "description": "Positive reference input 0; absolute voltage range VREFN0+0.75V to AVDD+0.1V; internally buffered."
      },
      {
        "number": "10",
        "name": "AIN1",
        "type": "input",
        "description": "Analog input 1; accepts differential or single-ended signals within AVSS−0.1V to AVDD+0.1V absolute range."
      },
      {
        "number": "11",
        "name": "AIN0/REFP1",
        "type": "input",
        "description": "Analog input 0 or positive reference input 1; accepts voltages AVSS−0.1V to AVDD+0.1V; can function as primary ADC input or alternate reference input."
      },
      {
        "number": "12",
        "name": "AVDD",
        "type": "power_in",
        "description": "Positive analog power supply; range 2.3V to 5.5V; decouple with 100nF or larger capacitor to AVSS."
      },
      {
        "number": "13",
        "name": "DVDD",
        "type": "power_in",
        "description": "Positive digital power supply; range 2.3V to 5.5V; decouple with 100nF or larger capacitor to DGND."
      },
      {
        "number": "14",
        "name": "DRDY",
        "type": "output",
        "description": "Data ready output, active low; driven low when new conversion result is ready; remains active driven even when CS is high."
      },
      {
        "number": "15",
        "name": "DOUT/DRDY",
        "type": "tri_state",
        "description": "Serial data output and data ready signal combined, active low; enters high-impedance state when CS is high; MSB output first."
      },
      {
        "number": "16",
        "name": "DIN",
        "type": "input",
        "description": "Serial data input for SPI communication; data latched on SCLK falling edge with 50ns setup and 25ns hold times."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 81,
        "cost_usd": 0.8884,
        "at": "2026-09-23T11:54:21"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads1120",
        "pages": 81,
        "sha256": "c860263ddad0839a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ads1120ipwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads1120ipwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "680c9e1b2f22b3a90c3bcab36809228682ef47d1f90ae3289beb28af95b327a8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-16",
      "Category": "Data Acquisition",
      "Pins": "16"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ads1120ipwr"
  ],
  "discovery_pitch": "ADS1120IPWR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads1120ipwr.kicad_sym",
    "ads1120ipwr.kicad_mod",
    "ads1120ipwr.glb",
    "ads1120ipwr.step",
    "ads1120ipwr.lbr",
    "docs/hero.png",
    "docs/ads1120ipwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T15:56:33.029Z"
}