main
Ray ads1110: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) d681031 26d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ads1110",
  "title": "ADS1110 16-Bit I2C ADC",
  "brief": "16-bit self-calibrating delta-sigma ADC with I2C, onboard reference and PGA.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "adc",
    "delta-sigma",
    "16-bit",
    "i2c",
    "pga",
    "ti",
    "sot-23-6"
  ],
  "component": {
    "mpn": "ADS1110",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Analog",
    "subcategory": "Analog-to-Digital Converter",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ads1110.pdf",
    "parts": {
      "symbol": "ads1110.kicad_sym",
      "footprint": "ads1110.kicad_mod",
      "model_3d": "ads1110-etched.glb",
      "model_3d_plain": "ads1110.glb",
      "model_3d_step": "ads1110-etched.step",
      "model_3d_step_plain": "ads1110.step",
      "lbr": "ads1110.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VIN+",
        "type": "input",
        "description": "Non-inverting analog input of the differential ADC. Full-scale differential range is +/-2.048V/PGA; absolute voltage must remain within GND-0.2V to VDD+0.2V. Common-mode input impedance depends on PGA (0.9-3.5 MOhm); differential input impedance is 2.8 MOhm/PGA."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return for analog and digital supply. VDD-to-GND absolute maximum is -0.3V to +6V."
      },
      {
        "number": "3",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input. Open-drain, driven by the master; the ADS1110 never drives SCL (it acts as an I2C slave only). Requires an external pull-up resistor. Supports Standard (100 kHz), Fast (400 kHz), and High-speed (up to 3.4 MHz) modes. Absolute maximum voltage to GND: -0.5V to 6V."
      },
      {
        "number": "4",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data line, bidirectional open-drain. Requires an external pull-up resistor. VOL = 0.4V max at IOL = 3 mA. Absolute maximum voltage to GND: -0.5V to 6V."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power-supply input. Operating range 2.7V to 5.5V (absolute max 6V). Typical supply current 240 uA active, 0.05 uA in power-down. Bypass with a local ceramic decoupling capacitor to GND."
      },
      {
        "number": "6",
        "name": "VIN-",
        "type": "input",
        "description": "Inverting analog input of the differential ADC. Full-scale differential range is +/-2.048V/PGA; absolute voltage must remain within GND-0.2V to VDD+0.2V. Do not drive below -200 mV in differential mode."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ads1110.pdf",
        "pages": 26,
        "sha256": "1e15543d347dbf9e",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ads1110.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads1110-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "46eeb54cde92f08c10369c3e0092601faeab32e14a5b2eddd229c93140530d12",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Resolution": "12/14/15/16-bit (rate dependent)",
      "Architecture": "Delta-sigma, self-calibrating",
      "Inputs": "1 differential",
      "Reference": "Internal 2.048 V",
      "PGA gain": "1x, 2x, 4x, 8x",
      "Interface": "I2C",
      "Supply voltage": "2.7 V to 5.5 V",
      "Operating temperature": "-40 C to 85 C"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "16-bit ADC",
    "I2C ADC",
    "precision measurement",
    "single-channel ADC"
  ],
  "discovery_pitch": "A 16-bit self-calibrating ADC with a built-in reference and PGA over I2C, in a 6-pin package.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads1110.kicad_sym",
    "ads1110.kicad_mod",
    "ads1110.glb",
    "ads1110.step",
    "ads1110.lbr",
    "docs/hero.png",
    "docs/ads1110-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ads1110-etched.step"
  ]
}