ADS7863ADBQR

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  "slug": "ads7863adbqr",
  "title": "ADS7863ADBQR",
  "brief": "Texas Instruments Analog To Digital Converters (ADC), SSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "ADS7863ADBQR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-24",
    "pin_count": 24,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ads7863a",
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    "distributor_links": {
      "lcsc": "C179694",
      "digikey": "296-37235-2-ND",
      "mouser": "595-ADS7863ADBQR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T23:10:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-37235-2-ND",
        "status": "found"
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        "pn": "595-ADS7863ADBQR",
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    },
    "pins": [
      {
        "number": "1",
        "name": "BGND",
        "type": "power_in",
        "description": "Buffer I/O ground; connect to the digital ground plane."
      },
      {
        "number": "2",
        "name": "CHB1+",
        "type": "input",
        "description": "Noninverting analog input channel B1."
      },
      {
        "number": "3",
        "name": "CHB1-",
        "type": "input",
        "description": "Inverting analog input channel B1."
      },
      {
        "number": "4",
        "name": "CHB0+",
        "type": "input",
        "description": "Noninverting analog input channel B0."
      },
      {
        "number": "5",
        "name": "CHB0-",
        "type": "input",
        "description": "Inverting analog input channel B0."
      },
      {
        "number": "6",
        "name": "CHA1+",
        "type": "input",
        "description": "Noninverting analog input channel A1."
      },
      {
        "number": "7",
        "name": "CHA1-",
        "type": "input",
        "description": "Inverting analog input channel A1."
      },
      {
        "number": "8",
        "name": "CHA0+",
        "type": "input",
        "description": "Noninverting analog input channel A0."
      },
      {
        "number": "9",
        "name": "CHA0-",
        "type": "input",
        "description": "Inverting analog input channel A0."
      },
      {
        "number": "10",
        "name": "REFIN",
        "type": "input",
        "description": "Reference voltage input with a recommended 0.5 V to 2.525 V range (2.5 V nominal); a 470-nF ceramic capacitor (min) is required at this terminal."
      },
      {
        "number": "11",
        "name": "REFOUT",
        "type": "output",
        "description": "Reference voltage output; the programmable internal voltage reference is available on this pin."
      },
      {
        "number": "12",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; connect to the analog ground plane."
      },
      {
        "number": "13",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply, 2.7 V to 5.5 V; decouple to AGND with a 1-μF ceramic capacitor."
      },
      {
        "number": "14",
        "name": "M1",
        "type": "input",
        "description": "Mode pin 1; selects between the SDOx digital outputs (see Table 8)."
      },
      {
        "number": "15",
        "name": "M0",
        "type": "input",
        "description": "Mode pin 0; selects between the analog input channels (see Table 8)."
      },
      {
        "number": "16",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input; enables additional device features but can also be used in an ADS7861-compatible manner."
      },
      {
        "number": "17",
        "name": "CONVST",
        "type": "input",
        "description": "Conversion start; the ADC switches from sample to hold mode on the CONVST rising edge, independent of CLOCK, and the conversion starts with the next CLOCK rising edge."
      },
      {
        "number": "18",
        "name": "RD",
        "type": "input",
        "description": "Read data; synchronization pulse for the SDOx outputs and SDI input, and it only triggers when CS is low."
      },
      {
        "number": "19",
        "name": "CS",
        "type": "input",
        "description": "Chip select; when low the SDOx outputs are active, and when high the SDOx outputs are 3-state."
      },
      {
        "number": "20",
        "name": "CLOCK",
        "type": "input",
        "description": "External clock input; CLOCK frequency range is 1 MHz to 32 MHz."
      },
      {
        "number": "21",
        "name": "BUSY",
        "type": "output",
        "description": "ADC busy indicator; goes high when the inputs are in hold mode and returns low after the conversion finishes."
      },
      {
        "number": "22",
        "name": "SDOB",
        "type": "tri_state",
        "description": "Serial data output for converter B; data are valid on the falling CLOCK edge and the output is 3-state when CS is high."
      },
      {
        "number": "23",
        "name": "SDOA",
        "type": "tri_state",
        "description": "Serial data output for converter A; when M1 is high both SDOA and SDOB are active, and data are valid on the falling CLOCK edge."
      },
      {
        "number": "24",
        "name": "BVDD",
        "type": "power_in",
        "description": "Buffer I/O supply, 2.7 V to 5.5 V; decouple to BGND with a 1-μF ceramic capacitor."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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: The DBQ pin configuration drawing on page 7 is garbled in the text extraction. The SSOP pin numbers ; Pin types are inferred because the datasheet gives no ERC classes. Analog channel inputs and REFIN a; The ordering table lists ADS7863ADBQR under the SSOP (DBQ) 24-pin package, so the DBQ pinout applies"
        ],
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        "cost_usd": 0.0588,
        "at": "2026-10-11T23:10:20"
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ads7863a",
        "pages": 39,
        "sha256": "01e4892c842b09b8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
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        "refuses_to_fabricate": true
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        "checked": "2026-10-11",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SSOP-24",
      "Category": "Data Acquisition",
      "Pins": "24"
    }
  },
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  "discovery_pitch": "ADS7863ADBQR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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