SIG5530A-ITSP20-RL

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  "slug": "sig5530a-itsp20-rl",
  "title": "SIG5530A-ITSP20-RL",
  "brief": "Signal Micro Analog To Digital Converters (ADC), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "mpn": "SIG5530A-ITSP20-RL",
    "manufacturer": "Signal Micro",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e86ac9b1c690dcd510643f31d758d40e.pdf",
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    "distributor_links": {
      "lcsc": "C41367343"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 516 calls left today"
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      "mouser": {
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    },
    "pins": [
      {
        "number": "1",
        "name": "AIN1+",
        "type": "input",
        "description": "Positive analog input channel 1."
      },
      {
        "number": "2",
        "name": "AIN1-",
        "type": "input",
        "description": "Negative analog input channel 1."
      },
      {
        "number": "3",
        "name": "C1",
        "type": "output",
        "description": "Amplifier analog output; connect a C0G capacitor of 4.7~22nF between C1 and C2."
      },
      {
        "number": "4",
        "name": "C2",
        "type": "output",
        "description": "Amplifier analog output; connect a C0G capacitor of 4.7~22nF between C1 and C2."
      },
      {
        "number": "5",
        "name": "AVDD",
        "type": "power_in",
        "description": "Positive analog power supply, 4.75V to 5.25V relative to AVSS."
      },
      {
        "number": "6",
        "name": "AVSS",
        "type": "power_in",
        "description": "Negative analog power supply (VAVSS specified from -2.625V to 0V)."
      },
      {
        "number": "7",
        "name": "A0/PDSW",
        "type": "output",
        "description": "Analog logic output or bridge power-down switch."
      },
      {
        "number": "8",
        "name": "A1",
        "type": "output",
        "description": "Analog logic output."
      },
      {
        "number": "9",
        "name": "OSC2",
        "type": "bidirectional",
        "description": "Master clock input or crystal connection."
      },
      {
        "number": "10",
        "name": "OSC1",
        "type": "input",
        "description": "Crystal connection."
      },
      {
        "number": "11",
        "name": "SCLK",
        "type": "input",
        "description": "Serial data clock."
      },
      {
        "number": "12",
        "name": "DOUT/DRDYn",
        "type": "output",
        "description": "Serial data output and data ready indicator."
      },
      {
        "number": "13",
        "name": "DIN",
        "type": "input",
        "description": "Serial data input."
      },
      {
        "number": "14",
        "name": "CSn",
        "type": "input",
        "description": "Serial chip select, active low."
      },
      {
        "number": "15",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply, 2.7V to 5.25V, independent of AVDD."
      },
      {
        "number": "16",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference point."
      },
      {
        "number": "17",
        "name": "REF-",
        "type": "input",
        "description": "Negative reference input."
      },
      {
        "number": "18",
        "name": "REF+",
        "type": "input",
        "description": "Positive reference input."
      },
      {
        "number": "19",
        "name": "AIN2-",
        "type": "input",
        "description": "Negative analog input channel 2."
      },
      {
        "number": "20",
        "name": "AIN2+",
        "type": "input",
        "description": "Positive analog input channel 2."
      }
    ],
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          "1/20 pin names appear NOWHERE in the datasheet text: ['9:OSC2@p2']"
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        "at": "2026-10-22T23:18:53"
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    "specs": {
      "Manufacturer": "Signal Micro",
      "Package": "TSSOP-20",
      "Category": "Data Acquisition",
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