ADS125H02IRHBR

{
  "slug": "ads125h02irhbr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADC), VQFN-32-EP(5x5). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "ads125h02irhbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ads125h02irhbr.kicad_sym",
    "ads125h02irhbr.kicad_mod",
    "ads125h02irhbr.glb",
    "ads125h02irhbr.step",
    "ads125h02irhbr.lbr",
    "docs/hero.png",
    "docs/ads125h02irhbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "ADS125H02IRHBR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ads125h02",
    "parts": {
      "symbol": "ads125h02irhbr.kicad_sym",
      "footprint": "ads125h02irhbr.kicad_mod",
      "model_3d": "ads125h02irhbr-etched.glb",
      "model_3d_plain": "ads125h02irhbr.glb",
      "model_3d_step": "ads125h02irhbr-etched.step",
      "model_3d_step_plain": "ads125h02irhbr.step",
      "lbr": "ads125h02irhbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2872153"
    },
    "pins": [
      {
        "number": "1",
        "name": "REFP0",
        "type": "input",
        "description": "Reference 0 positive input; differential reference voltage 0.9 V to AVDD V relative to REFN0."
      },
      {
        "number": "2",
        "name": "CAPP",
        "type": "output",
        "description": "PGA output positive; connect 1-nF C0G dielectric capacitor to CAPN for antialias filtering."
      },
      {
        "number": "3",
        "name": "CAPN",
        "type": "output",
        "description": "PGA output negative; connect 1-nF C0G dielectric capacitor to CAPP for antialias filtering."
      },
      {
        "number": "4",
        "name": "AVDD",
        "type": "power_in",
        "description": "Low-voltage analog power supply; nominal 5 V with operating range 4.75 V to 5.25 V."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; connect to the ADC ground plane for signal and power return."
      },
      {
        "number": "6",
        "name": "REFOUT",
        "type": "output",
        "description": "2.5-V internal reference output; connect 10-µF capacitor to AGND for noise filtering."
      },
      {
        "number": "7",
        "name": "RESET",
        "type": "input",
        "description": "Reset input active low; pulse low for minimum 4 fCLK cycles to reset device."
      },
      {
        "number": "8",
        "name": "START",
        "type": "input",
        "description": "Conversion start input active high; triggers single or continuous conversion based on mode."
      },
      {
        "number": "9",
        "name": "CS2",
        "type": "input",
        "description": "Serial interface chip select 2 active low; selects PGA registers for SPI communication."
      },
      {
        "number": "10",
        "name": "CS1",
        "type": "input",
        "description": "Serial interface chip select 1 active low; selects ADC registers for SPI communication."
      },
      {
        "number": "11",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input; 97 ns minimum period required for SPI interface with 40-60% duty cycle."
      },
      {
        "number": "12",
        "name": "DIN",
        "type": "input",
        "description": "Serial data input; latched on SCLK falling edge with 25 ns minimum setup time."
      },
      {
        "number": "13",
        "name": "DRDY",
        "type": "output",
        "description": "Data-ready output active low; asserts when new conversion data are available for readback."
      },
      {
        "number": "14",
        "name": "DOUT/DRDY",
        "type": "tri_state",
        "description": "Serial data output and data-ready indicator in tri-state; functions as data output during read or DRDY signal between operations."
      },
      {
        "number": "15",
        "name": "BYPASS",
        "type": "output",
        "description": "2-V subregulator output; connect 1-µF capacitor to DGND for digital core supply decoupling."
      },
      {
        "number": "16",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground; connect to the ADC ground plane for digital signal return."
      },
      {
        "number": "17",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply; operating range 2.7 V to 5.25 V for digital I/O and core regulator."
      },
      {
        "number": "18",
        "name": "CLKIN",
        "type": "input",
        "description": "External clock input; connect to DGND for internal 7.3728 MHz oscillator operation."
      },
      {
        "number": "19",
        "name": "HV_AVSS",
        "type": "power_in",
        "description": "High-voltage negative analog power supply; operating range -18 V to 0 V relative to HV_AVDD."
      },
      {
        "number": "20",
        "name": "HV_AVDD",
        "type": "power_in",
        "description": "High-voltage positive analog power supply; operating range 5 V to 36 V for unipolar or ±5 V to ±18 V bipolar."
      },
      {
        "number": "21",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; electrically float or tie to AGND per application requirements."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; electrically float or tie to AGND per application requirements."
      },
      {
        "number": "23",
        "name": "IDAC2",
        "type": "output",
        "description": "Current source 2 output; provides 50 µA to 3000 µA programmable excitation current for sensor biasing."
      },
      {
        "number": "24",
        "name": "IDAC1",
        "type": "output",
        "description": "Current source 1 output; provides 50 µA to 3000 µA programmable excitation current for sensor biasing."
      },
      {
        "number": "25",
        "name": "AINCOM",
        "type": "input",
        "description": "Analog input common for single-ended measurements; 1 GΩ minimum input impedance to reference."
      },
      {
        "number": "26",
        "name": "AIN0",
        "type": "input",
        "description": "Analog input 0; accepts ±20 V differential signal with 1 GΩ minimum input impedance."
      },
      {
        "number": "27",
        "name": "AIN1",
        "type": "input",
        "description": "Analog input 1; accepts ±20 V differential signal with 1 GΩ minimum input impedance."
      },
      {
        "number": "28",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "General-purpose input/output 3; programmable digital I/O with AVDD/AGND logic levels."
      },
      {
        "number": "29",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General-purpose input/output 2; programmable digital I/O with AVDD/AGND logic levels."
      },
      {
        "number": "30",
        "name": "REFN1/GPIO1",
        "type": "bidirectional",
        "description": "Reference 1 negative input and GPIO 1; dual-function pin configurable as external reference or programmable I/O."
      },
      {
        "number": "31",
        "name": "REFP1/GPIO0",
        "type": "bidirectional",
        "description": "Reference 1 positive input and GPIO 0; dual-function pin configurable as external reference or programmable I/O."
      },
      {
        "number": "32",
        "name": "REFN0",
        "type": "input",
        "description": "Reference 0 negative input; differential reference voltage 0.9 V to AVDD V relative to REFP0."
      },
      {
        "number": "33",
        "name": "Thermal pad",
        "type": "passive",
        "description": "Exposed thermal pad; connect to DGND for thermal and mechanical performance."
      }
    ],
    "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": [
          "extractor flagged: Pin 14 (DOUT/DRDY) is a tri-state output with dual function: serial data output during read operatio; Pins 30 (REFN1/GPIO1) and 31 (REFP1/GPIO0) are multiplexed between analog reference inputs and GPIO ; HV_AVSS operates as high-voltage negative supply in bipolar mode (–18 V to 0 V) or ground reference "
        ],
        "pages_sent": 89,
        "cost_usd": 0.9583,
        "at": "2026-09-23T05:37:13"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads125h02",
        "pages": 89,
        "sha256": "76eb38f0ddf5fbdd",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ads125h02irhbr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.875
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ads125h02irhbr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.875
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8ae7c23756599564fc0437577584d2099e7e17690a2efc56989e938f5e8d90fb",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}