TM7135

{
  "slug": "tm7135",
  "version": "0.1.0",
  "type": "component",
  "description": "TM(Shenzhen Titan Micro Elec) Analog To Digital Converters (ADCs), SOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "tm7135",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tm7135.kicad_sym",
    "tm7135.kicad_mod",
    "tm7135.glb",
    "tm7135.step",
    "tm7135.lbr",
    "docs/hero.png",
    "docs/tm7135-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tm7135-hero.glb",
    "tm7135-hero.overlay.json",
    "tm7135-etched.glb"
  ],
  "component": {
    "mpn": "TM7135",
    "manufacturer": "TM(Shenzhen Titan Micro Elec)",
    "package": "SOP-28",
    "pin_count": 28,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8d2cc78ba5d2f67b805012a149bc0c62.pdf",
    "parts": {
      "symbol": "tm7135.kicad_sym",
      "footprint": "tm7135.kicad_mod",
      "model_3d": "tm7135-hero.glb",
      "model_3d_plain": "tm7135-etched.glb",
      "model_3d_step": "tm7135-etched.step",
      "model_3d_step_plain": "tm7135.step",
      "lbr": "tm7135.lbr"
    },
    "distributor_links": {
      "lcsc": "C5174548"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T19:27:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply, referenced to digital ground; operating range -3 to -8 V (typ -5 V)."
      },
      {
        "number": "2",
        "name": "REF",
        "type": "input",
        "description": "Positive reference voltage input, referenced to analog common; VREF is half of full-scale input (1.0000 V for 2 V range)."
      },
      {
        "number": "3",
        "name": "ANLG COM",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "4",
        "name": "INT OUT",
        "type": "output",
        "description": "Integrator output; connect the integrating capacitor CINT (about 0.47 µF)."
      },
      {
        "number": "5",
        "name": "A/Z",
        "type": "input",
        "description": "Auto-zero input; connect the auto-zero capacitor CAZ (typ 1 µF)."
      },
      {
        "number": "6",
        "name": "BUF OUT",
        "type": "output",
        "description": "Input buffer output; connect the integrating resistor RINT (100 kΩ for 2 V range)."
      },
      {
        "number": "7",
        "name": "CREF-",
        "type": "input",
        "description": "Reference capacitor negative connection (CREF typ 1 µF)."
      },
      {
        "number": "8",
        "name": "CREF+",
        "type": "input",
        "description": "Reference capacitor positive connection (CREF typ 1 µF)."
      },
      {
        "number": "9",
        "name": "IN-",
        "type": "input",
        "description": "Negative differential analog input of the voltage to be measured."
      },
      {
        "number": "10",
        "name": "IN+",
        "type": "input",
        "description": "Positive differential analog input of the voltage to be measured."
      },
      {
        "number": "11",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply, referenced to digital ground; operating range +4 to +6 V (typ +5 V), absolute max +6.0 V."
      },
      {
        "number": "12",
        "name": "D5(MSD)",
        "type": "output",
        "description": "Digit select output for the ten-thousands digit (most significant digit)."
      },
      {
        "number": "13",
        "name": "B1(LSB)",
        "type": "output",
        "description": "BCD data output bit 1 (least significant bit), multiplexed, TTL compatible."
      },
      {
        "number": "14",
        "name": "B2",
        "type": "output",
        "description": "BCD data output bit 2, multiplexed, TTL compatible."
      },
      {
        "number": "15",
        "name": "B4",
        "type": "output",
        "description": "BCD data output bit 4, multiplexed, TTL compatible."
      },
      {
        "number": "16",
        "name": "B8(MSB)",
        "type": "output",
        "description": "BCD data output bit 8 (most significant bit), multiplexed, TTL compatible."
      },
      {
        "number": "17",
        "name": "D4",
        "type": "output",
        "description": "Digit select output for the thousands digit."
      },
      {
        "number": "18",
        "name": "D3",
        "type": "output",
        "description": "Digit select output for the hundreds digit."
      },
      {
        "number": "19",
        "name": "D2",
        "type": "output",
        "description": "Digit select output for the tens digit."
      },
      {
        "number": "20",
        "name": "D1(LSD)",
        "type": "output",
        "description": "Digit select output for the units digit (least significant digit)."
      },
      {
        "number": "21",
        "name": "BUSY",
        "type": "output",
        "description": "Status output that is high during integration (from positive integration start to end of de-integration) and low during reverse integration as described."
      },
      {
        "number": "22",
        "name": "CLK IN",
        "type": "input",
        "description": "Clock input; clock frequency DC to 200 kHz, high-level input min 2.8 V."
      },
      {
        "number": "23",
        "name": "POL",
        "type": "output",
        "description": "Polarity output, high for positive input and low for negative input."
      },
      {
        "number": "24",
        "name": "DGTL GND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "25",
        "name": "R/H",
        "type": "input",
        "description": "Run/Hold control with internal pull-up: high or floating runs continuously (one conversion per 40002 clock cycles), low holds last result, and a positive pulse over 300 ns restarts conversion."
      },
      {
        "number": "26",
        "name": "STROBE",
        "type": "output",
        "description": "Data output strobe with pulse width of half a clock period, giving five negative pulses after each conversion to latch BCD digits from MSD to LSD."
      },
      {
        "number": "27",
        "name": "OR",
        "type": "output",
        "description": "Over-range flag output, high when the input reading exceeds the converter count range."
      },
      {
        "number": "28",
        "name": "UR",
        "type": "output",
        "description": "Under-range flag output, high when the reading is 9% or less."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet text garbles the BUSY description (low during reverse integration vs. figure showing high ; No separate MPN-specific package info; SOP28 package taken from hint and datasheet, which lists both"
        ],
        "pages_sent": 10,
        "cost_usd": 0.1112,
        "at": "2026-10-26T19:27:34"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/8d2cc78ba5d2f67b805012a149bc0c62.pdf",
        "pages": 10,
        "sha256": "49d3563b926cc78c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tm7135.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b889a13dbe9ec59e79fa9f1b5118b00bfa54f9582392335ff3365b64afc264b1",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tm7135-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d212c56a41584fca529420de427baf2cadcdd19f12126d3fe9402aed2e85208c",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}