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Ray Set visibility: public 56fd230 11d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "adc121c021cimm",
  "title": "ADC121C021CIMM",
  "brief": "Texas Instruments Analog To Digital Converters (ADCs), VSSOP-8-0.65mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "adc121c021cimm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ADC121C021CIMM",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-8-0.65mm",
    "pin_count": 8,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/adc121c021",
    "parts": {
      "symbol": "adc121c021cimm.kicad_sym",
      "footprint": "adc121c021cimm.kicad_mod",
      "model_3d": "adc121c021cimm-hero.glb",
      "model_3d_plain": "adc121c021cimm-etched.glb",
      "model_3d_step": "adc121c021cimm-etched.step",
      "model_3d_step_plain": "adc121c021cimm.step",
      "lbr": "adc121c021cimm.lbr"
    },
    "distributor_links": {
      "lcsc": "C2870208"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T23:06:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 709 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input used with SDA to control data transfer in and out of the device; open-drain line that must be pulled to VA with an external pull-up resistor."
      },
      {
        "number": "2",
        "name": "ALERT",
        "type": "output",
        "description": "Open-drain alert output configurable as active high or active low, which must be pulled to the supply (VA) with an external pull-up resistor."
      },
      {
        "number": "3",
        "name": "ADR0",
        "type": "input",
        "description": "Tri-level address selection input that sets bits A0 and A1 of the 7-bit slave address."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Analog input that can range from GND to VA."
      },
      {
        "number": "5",
        "name": "VA",
        "type": "power_in",
        "description": "Power supply and unbuffered reference voltage (+2.7V to +5.5V), which must be free of noise and decoupled to GND."
      },
      {
        "number": "6",
        "name": "ADR1",
        "type": "input",
        "description": "Tri-level address selection input that sets bits A2 and A3 of the 7-bit slave address."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground for all on-chip circuitry."
      },
      {
        "number": "8",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data bidirectional connection clocked into or out of the internal 16-bit register with SCL; open-drain line that must be pulled to VA with an external pull-up resistor."
      }
    ],
    "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": [],
        "pages_sent": 8,
        "cost_usd": 0.0779,
        "at": "2026-10-22T23:06:35"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/adc121c021",
        "pages": 47,
        "sha256": "f464ed23e391a581",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "adc121c021cimm.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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "353552981eef35cb93635057d4aeb89aef22648c77af6fd095e328bfe6b834bd",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "adc121c021cimm-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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "126487958cf972868467a30453adb2ea308ac8d4785d9926a61254b463b0e6bd",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VSSOP-8-0.65mm",
      "Category": "ADC/DAC/Data Conversion",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f464ed23e391a5812bcaf1694d18cd19171bed36871f783d5d43afa82681a134",
      "rows": [
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          "name": "Supply Voltage",
          "symbol": "VA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
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          "max": 6.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage on any Digital Input Pin to GND",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
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          "source": "datasheet"
        },
        {
          "name": "Input Current at Any Pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -15,
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          "max": 15,
          "conditions": "",
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        },
        {
          "name": "Package Input Current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
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          "name": "Supply Voltage",
          "symbol": "VA",
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          "unit": "V",
          "min": 2.7,
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          "name": "Digital Input Voltage",
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          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
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          "conditions": "",
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        },
        {
          "name": "Sample Rate",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "ksps",
          "min": null,
          "typ": null,
          "max": 188.9,
          "conditions": "up to",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient, 8-Lead VSSOP",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "8-Lead VSSOP",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Integral Non-Linearity",
          "symbol": "INL",
          "kind": "electrical",
          "unit": "LSB",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VA = +2.7V to +3.6V, fSCL up to 400kHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Differential Non-Linearity",
          "symbol": "DNL",
          "kind": "electrical",
          "unit": "LSB",
          "min": -0.9,
          "typ": null,
          "max": 1,
          "conditions": "VA = +2.7V to +3.6V, fSCL up to 400kHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Offset Error",
          "symbol": "VOFF",
          "kind": "electrical",
          "unit": "LSB",
          "min": -1.6,
          "typ": 0.1,
          "max": 1.6,
          "conditions": "VA = +2.7V to +3.6V, fSCL up to 400kHz",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Gain Error",
          "symbol": "GE",
          "kind": "electrical",
          "unit": "LSB",
          "min": -6,
          "typ": -0.8,
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        },
        {
          "name": "Effective Number of Bits",
          "symbol": "ENOB",
          "kind": "electrical",
          "unit": "Bits",
          "min": 11.3,
          "typ": 11.7,
          "max": null,
          "conditions": "VA = +2.7V to +3.6V",
          "source_page": 6,
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        },
        {
          "name": "Signal-to-Noise Ratio",
          "symbol": "SNR",
          "kind": "electrical",
          "unit": "dB",
          "min": 70.4,
          "typ": 72.5,
          "max": null,
          "conditions": "VA = +2.7V to +3.6V",
          "source_page": 6,
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        },
        {
          "name": "Total Harmonic Distortion",
          "symbol": "THD",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": -92,
          "max": -78,
          "conditions": "VA = +2.7V to +3.6V",
          "source_page": 6,
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        {
          "name": "Signal-to-Noise Plus Distortion Ratio",
          "symbol": "SINAD",
          "kind": "electrical",
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          "min": 70,
          "typ": 72.6,
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          "conditions": "VA = +2.7V to +3.6V",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Spurious-Free Dynamic Range",
          "symbol": "SFDR",
          "kind": "electrical",
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          "min": 76,
          "typ": 90,
          "max": null,
          "conditions": "VA = +2.7V to +3.6V",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "DC Leakage Current",
          "symbol": "IDCL",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
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          "max": 1,
          "conditions": "",
          "source_page": 6,
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        {
          "name": "Serial Input Current",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "SCL, SDA",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Address Input Low Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "ADDR",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Address Input Current",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
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          "max": 1,
          "conditions": "ADDR",
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          "source": "datasheet"
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          "name": "Output Low Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "ISINK = 3 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output Low Voltage",
          "symbol": "VOL",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "ISINK = 6 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High Impedance Output Leakage Current",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 6,
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        {
          "name": "Supply Voltage Minimum",
          "symbol": "VA",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage Maximum",
          "symbol": "VA",
          "kind": "electrical",
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        {
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          "symbol": "IN",
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          "min": null,
          "typ": 0.08,
          "max": 0.14,
          "conditions": "VA = 2.7V to 3.6V, fSCL=400kHz",
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        {
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          "min": null,
          "typ": 0.16,
          "max": 0.3,
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          "conditions": "VA = 2.7V to 3.6V, fSCL=3.4MHz",
          "source_page": 7,
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        {
          "name": "Supply Current, Continuous Operation",
          "symbol": "IN",
          "kind": "electrical",
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          "min": null,
          "typ": 0.74,
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          "conditions": "VA = 4.5V to 5.5V, fSCL=3.4MHz",
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        },
        {
          "name": "Supply Current, Automatic Conversion Mode",
          "symbol": "IA",
          "kind": "electrical",
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          "min": null,
          "typ": 0.41,
          "max": 0.59,
          "conditions": "VA = 2.7V to 3.6V",
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        },
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          "name": "Supply Current, Automatic Conversion Mode",
          "symbol": "IA",
          "kind": "electrical",
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          "min": null,
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          "max": 1.2,
          "conditions": "VA = 4.5V to 5.5V",
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        {
          "name": "Supply Current, Power Down Mode PD1",
          "symbol": "IPD1",
          "kind": "electrical",
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          "min": null,
          "typ": 0.1,
          "max": 0.2,
          "conditions": "2-wire interface stopped and quiet (SCL = SDA = VA)",
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        {
          "name": "Power Consumption, Power Down Mode PD1",
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          "unit": "µW",
          "min": null,
          "typ": 0.5,
          "max": 0.9,
          "conditions": "2-wire interface stopped and quiet (SCL = SDA = VA)",
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        {
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          "conditions": "VA = 2.7V to 3.6V, fSCL=400kHz",
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          "conditions": "VA = 4.5V to 5.5V, fSCL=3.4MHz",
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        {
          "name": "Serial Clock Frequency",
          "symbol": "fSCL",
          "kind": "timing",
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          "conditions": "Fast Mode",
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          "name": "Serial Clock Frequency",
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          "max": 3.4,
          "conditions": "High Speed Mode, Cb = 100pF",
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        },
        {
          "name": "Conversion Time",
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