TLC2558IDW

{
  "slug": "tlc2558idw",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog To Digital Converters (ADCs), SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "tlc2558idw",
    "factory-2.0.0",
    "extractor-text"
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    "tlc2558idw.step",
    "tlc2558idw.lbr",
    "docs/hero.png",
    "docs/tlc2558idw-datasheet.pdf",
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    "viewers/footprint.html",
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  "component": {
    "mpn": "TLC2558IDW",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tlc2558",
    "parts": {
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      "footprint": "tlc2558idw.kicad_mod",
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      "lbr": "tlc2558idw.lbr"
    },
    "distributor_links": {
      "lcsc": "C1542883",
      "digikey": "2156-TLC2558IDW-ND",
      "mouser": "595-TLC2558IDW"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T22:05:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-TLC2558IDW-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TLC2558IDW",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SDO",
        "type": "tri_state",
        "description": "The 3-state serial output carries the A/D result MSB (D15) first and stays high-impedance while CS is high and until the MSB is presented."
      },
      {
        "number": "2",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input takes the MSB (D15) first, where the first four bits are decoded as one of 16 commands and configure writes require 12 additional data bits."
      },
      {
        "number": "3",
        "name": "SCLK",
        "type": "input",
        "description": "Input serial clock from the host shifts SDI into the input register and is also the source of the conversion clock."
      },
      {
        "number": "4",
        "name": "EOC/(INT)",
        "type": "output",
        "description": "Programmed as EOC, it goes low at the end of sampling and stays low until conversion data are ready; programmed as INT, its falling edge signals that data are ready for output."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage; the device operates from a single 5-V supply."
      },
      {
        "number": "6",
        "name": "A0",
        "type": "input",
        "description": "Analog signal input, internally multiplexed, with a driving source impedance that should be less than or equal to 1 kΩ."
      },
      {
        "number": "7",
        "name": "A1",
        "type": "input",
        "description": "Analog signal input, internally multiplexed, with a driving source impedance that should be less than or equal to 1 kΩ."
      },
      {
        "number": "8",
        "name": "A2",
        "type": "input",
        "description": "Analog signal input, internally multiplexed, with a driving source impedance that should be less than or equal to 1 kΩ."
      },
      {
        "number": "9",
        "name": "A3",
        "type": "input",
        "description": "Analog signal input, internally multiplexed, with a driving source impedance that should be less than or equal to 1 kΩ."
      },
      {
        "number": "10",
        "name": "A4",
        "type": "input",
        "description": "Analog signal input, internally multiplexed, with a driving source impedance that should be less than or equal to 1 kΩ."
      },
      {
        "number": "11",
        "name": "A5",
        "type": "input",
        "description": "Analog signal input, internally multiplexed, with a driving source impedance that should be less than or equal to 1 kΩ."
      },
      {
        "number": "12",
        "name": "A6",
        "type": "input",
        "description": "Analog signal input, internally multiplexed, with a driving source impedance that should be less than or equal to 1 kΩ."
      },
      {
        "number": "13",
        "name": "A7",
        "type": "input",
        "description": "Analog signal input, internally multiplexed, with a driving source impedance that should be less than or equal to 1 kΩ."
      },
      {
        "number": "14",
        "name": "CSTART",
        "type": "input",
        "description": "Starts sampling on a high-to-low transition and the conversion on a low-to-high transition, with a minimum low time of 800 ns; tie to VCC if not used."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return for the internal circuitry; all voltage measurements are referenced to GND."
      },
      {
        "number": "16",
        "name": "PWDN",
        "type": "input",
        "description": "Analog and reference circuits are powered down when this pin is at logic zero, and the device restarts by active CS or CSTART after it returns to logic one."
      },
      {
        "number": "17",
        "name": "FS",
        "type": "input",
        "description": "DSP frame sync input marks the start of a serial data frame; tie to VCC if not used."
      },
      {
        "number": "18",
        "name": "REFM",
        "type": "input",
        "description": "External reference input or internal reference decoupling terminal."
      },
      {
        "number": "19",
        "name": "REFP",
        "type": "input",
        "description": "External reference input or internal reference decoupling terminal; the maximum input range is set by REFP minus REFM, with 10 µF and 0.1 µF shunt capacitors between REFP and REFM."
      },
      {
        "number": "20",
        "name": "CS",
        "type": "input",
        "description": "Chip select: a high-to-low transition resets the 4-bit counter, enables SDI and removes SDO from 3-state, and a low-to-high transition ends the frame."
      }
    ],
    "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: Pin numbers were mapped from the text-extracted top-view diagram (left column 1-10, right column 20-; Datasheet lists TLC2558IDW as 20-SOIC (DW) on page 2 and in the package addendum on page 37, so the "
        ],
        "pages_sent": 11,
        "cost_usd": 0.1095,
        "at": "2026-10-08T22:05:01"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tlc2558",
        "pages": 52,
        "sha256": "34feee210db60148",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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}