DDC112YK

{
  "slug": "ddc112yk",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADC), TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "data acquisition",
    "ddc112yk",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "DDC112YK",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-32(7x7)",
    "pin_count": 32,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ddc112",
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    "distributor_links": {
      "lcsc": "C2670025"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T04:28:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CAP1A",
        "type": "passive",
        "description": "External capacitor connection for Integrator 1A; pins 1 and 2 must be tied together as the side-A external integration capacitor when RANGE2-RANGE0 = 000."
      },
      {
        "number": "2",
        "name": "CAP1A",
        "type": "passive",
        "description": "External capacitor connection for Integrator 1A; pins 1 and 2 must be tied together as the side-A external integration capacitor when RANGE2-RANGE0 = 000."
      },
      {
        "number": "3",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply, +5V nominal, with AVDD and DVDD specified at 4.75 V to 5.25 V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave unconnected."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave unconnected."
      },
      {
        "number": "6",
        "name": "TEST",
        "type": "input",
        "description": "Test control input; when HIGH, a test charge of about 13 pC is applied to the A or B integrators on the next CONV transition."
      },
      {
        "number": "7",
        "name": "CONV",
        "type": "input",
        "description": "Selects which integrator side is connected to the input; in continuous mode CONV HIGH selects side A integrating and CONV LOW selects side B integrating, and CONV must be synchronized with CLK."
      },
      {
        "number": "8",
        "name": "CLK",
        "type": "input",
        "description": "System clock input, 10 MHz nominal (specified 10 MHz to 12 MHz for DDC112U/Y and up to 15 MHz for the YK grade)."
      },
      {
        "number": "9",
        "name": "DCLK",
        "type": "input",
        "description": "Serial data clock input that operates the serial I/O shift register, specified up to 15 MHz."
      },
      {
        "number": "10",
        "name": "DXMIT",
        "type": "input",
        "description": "Serial data transmit enable input; when LOW it enables the internal serial shift register."
      },
      {
        "number": "11",
        "name": "DIN",
        "type": "input",
        "description": "Serial digital input used to cascade multiple DDC112 devices."
      },
      {
        "number": "12",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital supply, +5V nominal, with AVDD and DVDD specified at 4.75 V to 5.25 V."
      },
      {
        "number": "13",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "14",
        "name": "DOUT",
        "type": "tri_state",
        "description": "Serial data output that is high-impedance when DXMIT is HIGH."
      },
      {
        "number": "15",
        "name": "DVALID",
        "type": "output",
        "description": "Data valid output; a LOW value indicates valid data is available in the serial I/O register."
      },
      {
        "number": "16",
        "name": "RANGE0",
        "type": "input",
        "description": "Range control input 0, least significant bit of the 3-bit full-scale range select."
      },
      {
        "number": "17",
        "name": "RANGE1",
        "type": "input",
        "description": "Range control input 1 of the 3-bit full-scale range select."
      },
      {
        "number": "18",
        "name": "RANGE2",
        "type": "input",
        "description": "Range control input 2, most significant bit of the 3-bit full-scale range select."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave unconnected."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave unconnected."
      },
      {
        "number": "21",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "22",
        "name": "VREF",
        "type": "power_in",
        "description": "External reference input, +4.096 V nominal (4.000 V to 4.200 V specified), used to reset the integrators and as the ΔΣ converter reference."
      },
      {
        "number": "23",
        "name": "CAP2A",
        "type": "passive",
        "description": "External capacitor connection for Integrator 2A; pins 23 and 24 are tied together as the side-A external capacitor when RANGE2-RANGE0 = 000."
      },
      {
        "number": "24",
        "name": "CAP2A",
        "type": "passive",
        "description": "External capacitor connection for Integrator 2A; pins 23 and 24 are tied together as the side-A external capacitor when RANGE2-RANGE0 = 000."
      },
      {
        "number": "25",
        "name": "CAP2B",
        "type": "passive",
        "description": "External capacitor connection for Integrator 2B; pins 25 and 26 are tied together as the side-B external capacitor when RANGE2-RANGE0 = 000."
      },
      {
        "number": "26",
        "name": "CAP2B",
        "type": "passive",
        "description": "External capacitor connection for Integrator 2B; pins 25 and 26 are tied together as the side-B external capacitor when RANGE2-RANGE0 = 000."
      },
      {
        "number": "27",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "28",
        "name": "IN2",
        "type": "input",
        "description": "Analog input for Integrators 2A and 2B; the active integrator is set by the CONV input."
      },
      {
        "number": "29",
        "name": "IN1",
        "type": "input",
        "description": "Analog input for Integrators 1A and 1B; the active integrator is set by the CONV input."
      },
      {
        "number": "30",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "31",
        "name": "CAP1B",
        "type": "passive",
        "description": "External capacitor connection for Integrator 1B; pins 31 and 32 are tied together as the side-B external capacitor when RANGE2-RANGE0 = 000."
      },
      {
        "number": "32",
        "name": "CAP1B",
        "type": "passive",
        "description": "External capacitor connection for Integrator 1B; pins 31 and 32 are tied together as the side-B external capacitor when RANGE2-RANGE0 = 000."
      }
    ],
    "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 TQFP-32 pin table on page 5 is the source for this pinout; the pin-configuration drawing text is; The 7x7 body size from the package hint does not appear in the provided pages (only the TQFP-32 PJT ; The pin-type classifications are inferred from the function descriptions: AVDD, DVDD, AGND, DGND are"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0829,
        "at": "2026-10-12T04:27:57"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ddc112",
        "pages": 37,
        "sha256": "563a1029aa722041",
        "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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}