CS1180S

{
  "schema_version": 1,
  "type": "component",
  "slug": "cs1180s",
  "title": "CS1180S",
  "brief": "CHIPSEA Analog To Digital Converters (ADCs), SOP-16. 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",
    "data converters",
    "cs1180s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CS1180S",
    "manufacturer": "CHIPSEA",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Data Converters",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c00ba0f6f9124d2b841d99eec5278bc1.pdf",
    "parts": {
      "symbol": "cs1180s.kicad_sym",
      "footprint": "cs1180s.kicad_mod",
      "model_3d": "cs1180s-hero.glb",
      "model_3d_plain": "cs1180s-etched.glb",
      "model_3d_step": "cs1180s-etched.step",
      "model_3d_step_plain": "cs1180s.step",
      "lbr": "cs1180s.lbr"
    },
    "distributor_links": {
      "lcsc": "C126717"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:31:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "2",
        "name": "MCLK",
        "type": "input",
        "description": "Master clock input; the pin table gives 1~10MHz, and an external clock is applied here with XTAL left floating."
      },
      {
        "number": "3",
        "name": "XTAL",
        "type": "output",
        "description": "Crystal drive pin; leave floating when an external clock is applied to MCLK, and fit 10~20pF capacitors on both MCLK and XTAL when using a crystal."
      },
      {
        "number": "4",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "5",
        "name": "REFP",
        "type": "input",
        "description": "Analog positive reference voltage input, which must not exceed the supply voltage."
      },
      {
        "number": "6",
        "name": "REFN",
        "type": "input",
        "description": "Analog negative reference voltage input, which must not exceed the supply voltage."
      },
      {
        "number": "7",
        "name": "AIN0",
        "type": "input",
        "description": "Analog input, positive (AIN+)."
      },
      {
        "number": "8",
        "name": "AIN1",
        "type": "input",
        "description": "Analog input, negative (AIN-)."
      },
      {
        "number": "9",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "10",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply voltage, 2.7V~5.25V."
      },
      {
        "number": "11",
        "name": "CS",
        "type": "input",
        "description": "Chip select, active low; must stay low during communication and a high level resets the SPI bus."
      },
      {
        "number": "12",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input."
      },
      {
        "number": "13",
        "name": "SDO",
        "type": "tri_state",
        "description": "Serial data output, high-impedance when not in use so it can be tied to SDI on a bidirectional bus."
      },
      {
        "number": "14",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input with Schmitt trigger."
      },
      {
        "number": "15",
        "name": "DRDY",
        "type": "output",
        "description": "Data ready indicator, active low."
      },
      {
        "number": "16",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital supply voltage, 2.7~5.25V."
      }
    ],
    "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 has a single pin table covering both SSOP-16 and SOP-16 and does not map the 'S' suffix to; MCLK range is 1~10MHz in the pin table but fosc is 1~5MHz in the digital logic table (page 8).; XTAL direction is not stated; classified as output (crystal drive) by inference."
        ],
        "pages_sent": 30,
        "cost_usd": 0.1654,
        "at": "2026-10-23T12:31:42"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c00ba0f6f9124d2b841d99eec5278bc1.pdf",
        "pages": 30,
        "sha256": "5eb0593f504c446f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cs1180s.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cs1180s-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "418bbc0a26ccb9a0a9be555a024723c32723af0267b36a3b1732956287bf2bd1",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "CHIPSEA",
      "Package": "SOP-16",
      "Category": "Data Converters",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5eb0593f504c446fc23081081f9040cd8af4e7174b0af05474cc3541885d9941",
      "rows": [
        {
          "name": "Analog supply voltage (absolute max)",
          "symbol": "AVDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "AVDD to AGND",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Digital supply voltage (absolute max)",
          "symbol": "DVDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "DVDD to DGND",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "DGND to AGND voltage difference",
          "symbol": "DVGND",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.3,
          "conditions": "DGND to AGND",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input current momentary",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Input Current momentary",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input current continuous",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "Input Current continuous",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Digital input voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 1,
          "conditions": "Max is DVDD+0.3",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Digital output voltage to DGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 1,
          "conditions": "Max is DVDD+0.3",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Max. Junction Temperature",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Operating Temperature",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "Storage Temperature",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Lead soldering temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Lead Temperature (Soldering, 10s)",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input high leakage current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VI=DVDD",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input low leakage current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "uA",
          "min": -10,
          "typ": null,
          "max": null,
          "conditions": "VI=DGND",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Clock frequency",
          "symbol": "fosc",
          "kind": "electrical",
          "unit": "MHz",
          "min": 1,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Clock period",
          "symbol": "tosc",
          "kind": "timing",
          "unit": "ns",
          "min": 200,
          "typ": null,
          "max": 1000,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Analog supply voltage (5V table)",
          "symbol": "AVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.75,
          "typ": null,
          "max": 5.25,
          "conditions": "AVDD=5V table",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Analog supply voltage (3V table)",
          "symbol": "AVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 3.3,
          "conditions": "AVDD=3V table",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "PGA gain range",
          "symbol": "",
          "kind": "electrical",
          "unit": "",
          "min": 1,
          "typ": null,
          "max": 128,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio (5V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 80,
          "typ": 95,
          "max": null,
          "conditions": "DC, AVDD=5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio (3V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 75,
          "typ": 90,
          "max": null,
          "conditions": "DC, AVDD=3V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Reference input VREF, RAN=0 (5V)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.1,
          "typ": 2.5,
          "max": 2.6,
          "conditions": "RAN = 0, AVDD=5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Reference input VREF, RAN=0 (3V)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.1,
          "typ": 1.25,
          "max": 1.3,
          "conditions": "RAN = 0, AVDD=3V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Reference input VREF, RAN=1 (3V)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": 2.5,
          "max": 2.6,
          "conditions": "RAN = 1, AVDD=3V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Reference input VREF, RAN=1 (5V)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": 2.5,
          "max": null,
          "conditions": "RAN = 1, AVDD=5V; max printed as AVDD",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Resolution",
          "symbol": "",
          "kind": "electrical",
          "unit": "Bits",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "No missing codes",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Integral nonlinearity",
          "symbol": "",
          "kind": "electrical",
          "unit": "% of FS",
          "min": null,
          "typ": 0.0015,
          "max": null,
          "conditions": "±0.0015, AVDD=5V and 3V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Offset error (5V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm of FS",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "AVDD=5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Offset error drift (5V)",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm of FS/℃",
          "min": null,
          "typ": 0.02,
          "max": null,
          "conditions": "AVDD=5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Gain error (5V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.005,
          "max": null,
          "conditions": "AVDD=5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Gain error drift (5V)",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "AVDD=5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Offset error (3V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "ppm of FS",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "AVDD=3V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Offset error drift (3V)",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm of FS/℃",
          "min": null,
          "typ": 0.04,
          "max": null,
          "conditions": "AVDD=3V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Gain error (3V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.01,
          "max": null,
          "conditions": "AVDD=3V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Gain error drift (3V)",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "AVDD=3V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance",
          "symbol": "",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 9,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current",
          "symbol": "",
          "kind": "electrical",
          "unit": "pA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "Modulator off, T = 25℃",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Analog current, PGA=1, buffer off (5V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 350,
          "max": null,
          "conditions": "PGA = 1, Buffer off, AVDD=5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Analog current, PGA=1, buffer on (5V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 470,
          "max": null,
          "conditions": "PGA = 1, Buffer on, AVDD=5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Analog current, PGA=128, buffer off (5V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 400,
          "max": null,
          "conditions": "PGA = 128, Buffer off, AVDD=5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Analog current, PGA=128, buffer on (5V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 630,
          "max": null,
          "conditions": "PGA = 128, Buffer on, AVDD=5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Digital current, normal mode (5V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.4,
          "max": null,
          "conditions": "Normal mode, AVDD=5V",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Analog current, PGA=1, buffer on (3V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 450,
          "max": null,
          "conditions": "PGA = 1, Buffer on, AVDD=3V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Analog current, PGA=128, buffer off (3V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 350,
          "max": null,
          "conditions": "PGA = 128, Buffer off, AVDD=3V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Analog current, PGA=128, buffer on (3V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 630,
          "max": null,
          "conditions": "PGA = 128, Buffer on, AVDD=3V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Digital current, normal mode (3V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.1,
          "max": null,
          "conditions": "Normal mode, AVDD=3V",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "SCLK period",
          "symbol": "ts",
          "kind": "timing",
          "unit": "tosc periods",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "SCLK pulse width, high and low",
          "symbol": "tspw",
          "kind": "timing",
          "unit": "ns",
          "min": 200,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "CS falling edge to first SCLK edge setup",
          "symbol": "tcs1",
          "kind": "timing",
          "unit": "ns",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "SDI data setup time",
          "symbol": "tds",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "SDI data hold time",
          "symbol": "tdh",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Last SDI SCLK edge to first SDO SCLK edge",
          "symbol": "tdio",
          "kind": "timing",
          "unit": "tosc periods",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "RDATA, RREG, WREG",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "CS low hold after last SCLK edge",
          "symbol": "tcs2",
          "kind": "timing",
          "unit": "ns",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cs1180s"
  ],
  "discovery_pitch": "CS1180S (CHIPSEA) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cs1180s.kicad_sym",
    "cs1180s.kicad_mod",
    "cs1180s.glb",
    "cs1180s.step",
    "cs1180s.lbr",
    "docs/hero.png",
    "docs/cs1180s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cs1180s-hero.glb",
    "cs1180s-hero.overlay.json",
    "cs1180s-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}