ADS131M08QPBSRQ1

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  "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.",
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  "component": {
    "mpn": "ADS131M08QPBSRQ1",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-32(5x5)",
    "pin_count": 32,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600663322114990080",
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    "distributor_links": {
      "lcsc": "C5581370",
      "digikey": "296-ADS131M08QPBSRQ1TR-ND",
      "mouser": "595-ADS131M08QPBSRQ1"
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    "distributor_check": {
      "checked_at": "2026-10-08T18:22:39Z",
      "source": "Component Ocean /api/assign-pns",
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        "pn": "296-ADS131M08QPBSRQ1TR-ND",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "AIN2P",
        "type": "input",
        "description": "Positive analog input 2; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      },
      {
        "number": "2",
        "name": "AIN2N",
        "type": "input",
        "description": "Negative analog input 2; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      },
      {
        "number": "3",
        "name": "AIN3N",
        "type": "input",
        "description": "Negative analog input 3; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      },
      {
        "number": "4",
        "name": "AIN3P",
        "type": "input",
        "description": "Positive analog input 3; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      },
      {
        "number": "5",
        "name": "AIN4P",
        "type": "input",
        "description": "Positive analog input 4; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      },
      {
        "number": "6",
        "name": "AIN4N",
        "type": "input",
        "description": "Negative analog input 4; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      },
      {
        "number": "7",
        "name": "AIN5N",
        "type": "input",
        "description": "Negative analog input 5; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      },
      {
        "number": "8",
        "name": "AIN5P",
        "type": "input",
        "description": "Positive analog input 5; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      },
      {
        "number": "9",
        "name": "AIN6P",
        "type": "input",
        "description": "Positive analog input 6; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      },
      {
        "number": "10",
        "name": "AIN6N",
        "type": "input",
        "description": "Negative analog input 6; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      },
      {
        "number": "11",
        "name": "AIN7N",
        "type": "input",
        "description": "Negative analog input 7; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      },
      {
        "number": "12",
        "name": "AIN7P",
        "type": "input",
        "description": "Positive analog input 7; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      },
      {
        "number": "13",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; AGND to DGND must stay within -0.3 V to 0.3 V."
      },
      {
        "number": "14",
        "name": "REFIN",
        "type": "input",
        "description": "External reference voltage input; reference input voltage is 1.1 V to 1.3 V, and no capacitance may be placed on REFIN when current-detect mode is used."
      },
      {
        "number": "15",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply, 2.7 V to 3.6 V AVDD to AGND in normal operating modes; connect a 1-µF capacitor to AGND."
      },
      {
        "number": "16",
        "name": "SYNC/RESET",
        "type": "input",
        "description": "Conversion synchronization or system reset input, active low; it must not be toggled asynchronously to CLKIN."
      },
      {
        "number": "17",
        "name": "CS",
        "type": "input",
        "description": "Chip select input, active low; digital input voltage is limited to DGND to DVDD."
      },
      {
        "number": "18",
        "name": "DRDY",
        "type": "output",
        "description": "Data-ready output, active low; it falls when new conversion data are available."
      },
      {
        "number": "19",
        "name": "SCLK",
        "type": "input",
        "description": "Serial data clock input; digital input voltage is limited to DGND to DVDD."
      },
      {
        "number": "20",
        "name": "DOUT",
        "type": "output",
        "description": "Serial data output; it stays high impedance while CS is high, allowing DOUT lines to be shared between devices."
      },
      {
        "number": "21",
        "name": "DIN",
        "type": "input",
        "description": "Serial data input; digital input voltage is limited to DGND to DVDD."
      },
      {
        "number": "22",
        "name": "XTAL2",
        "type": "output",
        "description": "Crystal oscillator excitation output; see the Clocking and Power Modes section for the clocking scheme."
      },
      {
        "number": "23",
        "name": "XTAL1/CLKIN",
        "type": "input",
        "description": "Main clock input or crystal oscillator input; external clock frequency is 0.3 MHz minimum and 8.192 MHz nominal in high-resolution mode, with 40% to 60% duty cycle."
      },
      {
        "number": "24",
        "name": "CAP",
        "type": "power_out",
        "description": "Digital LDO regulator output; connect a 220-nF capacitor to DGND."
      },
      {
        "number": "25",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground; AGND to DGND must stay within -0.3 V to 0.3 V."
      },
      {
        "number": "26",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital I/O supply, 2.7 V to 3.6 V DVDD to DGND (1.65 V to 2 V when DVDD is shorted to CAP); connect a 1-µF capacitor to DGND."
      },
      {
        "number": "27",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected; leave unconnected or connect to AGND."
      },
      {
        "number": "28",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; AGND to DGND must stay within -0.3 V to 0.3 V."
      },
      {
        "number": "29",
        "name": "AIN0P",
        "type": "input",
        "description": "Positive analog input 0; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      },
      {
        "number": "30",
        "name": "AIN0N",
        "type": "input",
        "description": "Negative analog input 0; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      },
      {
        "number": "31",
        "name": "AIN1N",
        "type": "input",
        "description": "Negative analog input 1; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      },
      {
        "number": "32",
        "name": "AIN1P",
        "type": "input",
        "description": "Positive analog input 1; absolute input voltage is AGND - 1.3 V to AVDD for gains 1, 2 and 4, and AGND - 1.3 V to AVDD - 1.8 V for gains 8 to 128."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers, names and I/O descriptions come from Table 5-1 and Figure 5-1 (PBS 32-pin TQFP top view; KiCad type mapping was a judgment call where the datasheet gives only a generic label: AIN pins are ; Voltage limits in the pin descriptions come from Recommended Operating Conditions (page 6) and Absol"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0993,
        "at": "2026-10-08T18:21:45"
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        "pages": 103,
        "sha256": "704a7f192660fbc2",
        "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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