ADS131M08IPBSR

{
  "slug": "ads131m08ipbsr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADC), TQFP-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "ads131m08ipbsr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "README.md",
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    "ads131m08ipbsr.step",
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    "docs/ads131m08ipbsr-datasheet.pdf",
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  "component": {
    "mpn": "ADS131M08IPBSR",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-32(5x5)",
    "pin_count": 32,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ads131m08",
    "parts": {
      "symbol": "ads131m08ipbsr.kicad_sym",
      "footprint": "ads131m08ipbsr.kicad_mod",
      "model_3d": "ads131m08ipbsr-etched.glb",
      "model_3d_plain": "ads131m08ipbsr.glb",
      "model_3d_step": "ads131m08ipbsr-etched.step",
      "model_3d_step_plain": "ads131m08ipbsr.step",
      "lbr": "ads131m08ipbsr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2862610",
      "digikey": "296-ADS131M08IPBSRTR-ND",
      "mouser": "595-ADS131M08IPBSR"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T17:44:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-ADS131M08IPBSRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ADS131M08IPBSR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AIN2P",
        "type": "input",
        "description": "Positive differential analog input for channel 2; supports absolute voltage range from AGND - 1.3V to AVDD."
      },
      {
        "number": "2",
        "name": "AIN2N",
        "type": "input",
        "description": "Negative differential analog input for channel 2; completes differential pair with AIN2P."
      },
      {
        "number": "3",
        "name": "AIN3N",
        "type": "input",
        "description": "Negative differential analog input for channel 3; completes differential pair with AIN3P."
      },
      {
        "number": "4",
        "name": "AIN3P",
        "type": "input",
        "description": "Positive differential analog input for channel 3; supports absolute voltage range from AGND - 1.3V to AVDD."
      },
      {
        "number": "5",
        "name": "AIN4P",
        "type": "input",
        "description": "Positive differential analog input for channel 4; supports absolute voltage range from AGND - 1.3V to AVDD."
      },
      {
        "number": "6",
        "name": "AIN4N",
        "type": "input",
        "description": "Negative differential analog input for channel 4; completes differential pair with AIN4P."
      },
      {
        "number": "7",
        "name": "AIN5N",
        "type": "input",
        "description": "Negative differential analog input for channel 5; completes differential pair with AIN5P."
      },
      {
        "number": "8",
        "name": "AIN5P",
        "type": "input",
        "description": "Positive differential analog input for channel 5; supports absolute voltage range from AGND - 1.3V to AVDD."
      },
      {
        "number": "9",
        "name": "AIN6P",
        "type": "input",
        "description": "Positive differential analog input for channel 6; supports absolute voltage range from AGND - 1.3V to AVDD."
      },
      {
        "number": "10",
        "name": "AIN6N",
        "type": "input",
        "description": "Negative differential analog input for channel 6; completes differential pair with AIN6P."
      },
      {
        "number": "11",
        "name": "AIN7N",
        "type": "input",
        "description": "Negative differential analog input for channel 7; completes differential pair with AIN7P."
      },
      {
        "number": "12",
        "name": "AIN7P",
        "type": "input",
        "description": "Positive differential analog input for channel 7; supports absolute voltage range from AGND - 1.3V to AVDD."
      },
      {
        "number": "13",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference; integrated negative charge pump allows input voltages 1.3V below AGND."
      },
      {
        "number": "14",
        "name": "REFIN",
        "type": "input",
        "description": "External reference voltage input rated 1.1V to 1.3V nominal; do not place capacitance on this pin if current-detect mode is used."
      },
      {
        "number": "15",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply 2.7V to 3.6V; connect 1\u00b5F capacitor to AGND."
      },
      {
        "number": "16",
        "name": "SYNC/RESET",
        "type": "input",
        "description": "Dual-function active-low input for device reset (pulse duration >2048 tCLKIN) or conversion synchronization (pulse 1 to 2047 tCLKIN)."
      },
      {
        "number": "17",
        "name": "CS",
        "type": "input",
        "description": "Chip select active-low digital input; device ignores SPI communication when CS is high and DOUT assumes high impedance."
      },
      {
        "number": "18",
        "name": "DRDY",
        "type": "output",
        "description": "Data ready active-low digital output indicating new conversion data available; configurable as level or pulse via MODE register."
      },
      {
        "number": "19",
        "name": "SCLK",
        "type": "input",
        "description": "Serial data clock input for SPI mode 1 (CPOL=0, CPHA=1); data latched on falling edges."
      },
      {
        "number": "20",
        "name": "DOUT",
        "type": "output",
        "description": "Serial data output (MISO) providing status word, 8 channels of 24-bit conversion data, and CRC; high impedance when CS is high."
      },
      {
        "number": "21",
        "name": "DIN",
        "type": "input",
        "description": "Serial data input (MOSI) for SPI commands and register writes; latched on SCLK falling edges per SPI mode 1."
      },
      {
        "number": "22",
        "name": "XTAL2",
        "type": "output",
        "description": "Crystal oscillator excitation output for external crystal; leave unconnected when using external clock on XTAL1/CLKIN."
      },
      {
        "number": "23",
        "name": "XTAL1/CLKIN",
        "type": "input",
        "description": "Master clock input 0.3MHz to 8.4MHz for high-resolution mode or crystal oscillator input; must be synchronous with SCLK."
      },
      {
        "number": "24",
        "name": "CAP",
        "type": "power_out",
        "description": "Digital LDO regulator output 1.8V nominal; connect 220nF capacitor to DGND when DVDD >2.7V, or tie to DVDD when DVDD \u22642V."
      },
      {
        "number": "25",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference; connect analog and digital ground planes near device."
      },
      {
        "number": "26",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply 2.7V to 3.6V; connect 1\u00b5F capacitor to DGND."
      },
      {
        "number": "27",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection pin; leave unconnected or connect to AGND."
      },
      {
        "number": "28",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference; integrated negative charge pump allows input voltages 1.3V below AGND."
      },
      {
        "number": "29",
        "name": "AIN0P",
        "type": "input",
        "description": "Positive differential analog input for channel 0; supports absolute voltage range from AGND - 1.3V to AVDD."
      },
      {
        "number": "30",
        "name": "AIN0N",
        "type": "input",
        "description": "Negative differential analog input for channel 0; completes differential pair with AIN0P."
      },
      {
        "number": "31",
        "name": "AIN1N",
        "type": "input",
        "description": "Negative differential analog input for channel 1; completes differential pair with AIN1P."
      },
      {
        "number": "32",
        "name": "AIN1P",
        "type": "input",
        "description": "Positive differential analog input for channel 1; supports absolute voltage range from AGND - 1.3V to AVDD."
      }
    ],
    "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-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 119,
        "cost_usd": 0.858,
        "at": "2026-10-01T17:43:58"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads131m08",
        "pages": 119,
        "sha256": "b5b15a08a7950103",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 32,
        "described": 32,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}