CS1180

{
  "schema_version": 1,
  "type": "component",
  "slug": "cs1180",
  "title": "CS1180",
  "brief": "CHIPSEA Analog To Digital Converters (ADC), SSOP-16-208mil. 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 acquisition",
    "cs1180",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CS1180",
    "manufacturer": "CHIPSEA",
    "package": "SSOP-16-208mil",
    "pin_count": 16,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882140196425728",
    "parts": {
      "symbol": "cs1180.kicad_sym",
      "footprint": "cs1180.kicad_mod",
      "model_3d": "cs1180-hero.glb",
      "model_3d_plain": "cs1180-etched.glb",
      "model_3d_step": "cs1180-etched.step",
      "model_3d_step_plain": "cs1180.step",
      "lbr": "cs1180.lbr"
    },
    "distributor_links": {
      "lcsc": "C44524"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T23:54:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground pin for the CS1180 digital section."
      },
      {
        "number": "2",
        "name": "MCLK",
        "type": "input",
        "description": "Master clock input for 1-10 MHz; an external clock is applied here, and when a crystal is used 10-20 pF capacitors are required on MCLK and XTAL."
      },
      {
        "number": "3",
        "name": "XTAL",
        "type": "passive",
        "description": "Crystal driver pin, requiring a 10-20 pF load capacitor to MCLK when a crystal is used, and left floating when an external clock is driven into MCLK."
      },
      {
        "number": "4",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground pin for the CS1180 digital section."
      },
      {
        "number": "5",
        "name": "REFP",
        "type": "input",
        "description": "Positive analog reference voltage input; the reference VREF=REFP−REFN must not exceed the chip supply voltage."
      },
      {
        "number": "6",
        "name": "REFN",
        "type": "input",
        "description": "Negative analog reference voltage input paired with REFP to form VREF, which must not exceed the chip supply voltage."
      },
      {
        "number": "7",
        "name": "AIN0",
        "type": "input",
        "description": "Positive analog input (AIN+) of the differential input; with the input buffer off the input range is AGND−0.1 V to AVDD+0.1 V."
      },
      {
        "number": "8",
        "name": "AIN1",
        "type": "input",
        "description": "Negative analog input (AIN−) of the differential input, with full-scale defined as (AIN+)−(AIN−)."
      },
      {
        "number": "9",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground pin for the CS1180 analog section."
      },
      {
        "number": "10",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply voltage, specified at 2.7 V to 5.25 V; absolute maximum AVDD to AGND is 6 V."
      },
      {
        "number": "11",
        "name": "CS",
        "type": "input",
        "description": "Chip select, active low; it must be held low for the whole communication, and the SPI bus is reset when CS goes high."
      },
      {
        "number": "12",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input for the SPI slave interface, sampled on SCLK edges."
      },
      {
        "number": "13",
        "name": "SDO",
        "type": "tri_state",
        "description": "Serial data output for the SPI slave interface, which is high impedance when not in use so SDI and SDO can be tied together as a bidirectional bus."
      },
      {
        "number": "14",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input with Schmitt-trigger input used to sample SDI and SDO, which must be kept clean to avoid sampling errors."
      },
      {
        "number": "15",
        "name": "DRDY",
        "type": "output",
        "description": "Data ready output, active low, which goes low when new conversion data is available in the DOR register."
      },
      {
        "number": "16",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital supply voltage, specified at 2.7 V to 5.25 V."
      }
    ],
    "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: The datasheet text does not state a 208 mil body width. Section 6.1 only says 'SSOP16' with a dimens; The 16-pin pinout (Figure 2 and Table 3, page 9) is not tied to a specific package in the text. Sect; Pin type for XTAL was chosen as passive because the datasheet calls it a crystal driver pin and give"
        ],
        "pages_sent": 30,
        "cost_usd": 0.0897,
        "at": "2026-10-18T23:54:09"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882140196425728",
        "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": "cs1180.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          6.2,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d0e11e46aeca5dbaa5c4bb538f3f4899761267cabdeba6486325ae9e979c03ef",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cs1180-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          6.2,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "0e3b69ccc7de4cbd3981cbf26f65c4fca2e79fc83a4dfd7816638aa5b629ff28",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "CHIPSEA",
      "Package": "SSOP-16-208mil",
      "Category": "Data Acquisition",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5eb0593f504c446fc23081081f9040cd8af4e7174b0af05474cc3541885d9941",
      "rows": [
        {
          "name": "Analog supply voltage AVDD (absolute maximum)",
          "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 DVDD (absolute maximum)",
          "symbol": "DVDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "DVDD to DGND",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Ground difference DGND to AGND (absolute maximum)",
          "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 (max printed as DVDD+0.3)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Digital output voltage (max printed as DVDD+0.3)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Digital Output Voltage to DGND",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Max. junction temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Max. Junction Temperature",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "Storage Temperature",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature (soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Soldering, 10s",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "oC",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Operating Temperature",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Analog supply voltage AVDD (pin range)",
          "symbol": "AVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 5.25,
          "conditions": "Pin 10 AVDD: analog supply voltage 2.7V~5.25V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Digital supply voltage DVDD (pin range)",
          "symbol": "DVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 5.25,
          "conditions": "Pin 16 DVDD: digital supply voltage 2.7~5.25V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Master clock input frequency MCLK",
          "symbol": "MCLK",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 1,
          "typ": null,
          "max": 10,
          "conditions": "Pin 2 MCLK: main clock input 1~10MHz",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "External reference differential voltage VREF (RAN=0)",
          "symbol": "VREF",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "AVDD=5 V, RAN=0",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "External reference differential voltage VREF (RAN=1)",
          "symbol": "VREF",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "AVDD=5 V, RAN=1",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "External reference differential voltage VREF (RAN=0)",
          "symbol": "VREF",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.25,
          "conditions": "AVDD=3.0 V, RAN=0",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "External reference differential voltage VREF (RAN=1)",
          "symbol": "VREF",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "AVDD=3.0 V, RAN=1",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency fosc",
          "symbol": "fosc",
          "kind": "electrical",
          "unit": "MHz",
          "min": 1,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "High-level input current IIH",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VI=DVDD",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Low-level input current IIL",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "uA",
          "min": -10,
          "typ": null,
          "max": null,
          "conditions": "VI=DGND",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "PGA gain range (AVDD=5V table)",
          "symbol": "",
          "kind": "electrical",
          "unit": "",
          "min": 1,
          "typ": null,
          "max": 128,
          "conditions": "Table 4 AVDD=5V: PGA 可选增益范围",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Integral nonlinearity INL (AVDD=5V table)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "% of FS",
          "min": -0.0015,
          "typ": null,
          "max": 0.0015,
          "conditions": "Table 4 AVDD=5V: 积分线性度",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio PSRR (AVDD=5V table)",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 80,
          "typ": null,
          "max": 95,
          "conditions": "Table 4 AVDD=5V: 直流 (DC)",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage VREF (AVDD=5V table, RAN=0)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.1,
          "typ": 2.5,
          "max": 2.6,
          "conditions": "Table 4 AVDD=5V: RAN = 0",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage VREF (AVDD=5V table, RAN=1)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": 2.5,
          "max": null,
          "conditions": "Table 4 AVDD=5V: RAN = 1 (max printed as AVDD)",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "REFP, REFN input range (AVDD=5V table, RAN=0)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Table 4 AVDD=5V: RAN = 0 (max printed as AVDD)",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "REFP, REFN input range (AVDD=5V table, RAN=1)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.1,
          "typ": null,
          "max": null,
          "conditions": "Table 4 AVDD=5V: RAN = 1 (max printed as AVDD)",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Power supply voltage AVDD (AVDD=5V table)",
          "symbol": "AVDD",
          "kind": "electrical",
          "unit": "V",
          "min": 4.75,
          "typ": null,
          "max": 5.25,
          "conditions": "Table 4 AVDD=5V: 电源电压 AVDD",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "PGA gain range (AVDD=3V table)",
          "symbol": "",
          "kind": "electrical",
          "unit": "",
          "min": 1,
          "typ": null,
          "max": 128,
          "conditions": "Table 5 AVDD=3V: PGA 可选增益范围",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Integral nonlinearity INL (AVDD=3V table)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "% of FS",
          "min": -0.0015,
          "typ": null,
          "max": 0.0015,
          "conditions": "Table 5 AVDD=3V: 积分线性度",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio PSRR (AVDD=3V table)",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 75,
          "typ": null,
          "max": 90,
          "conditions": "Table 5 AVDD=3V: 直流 (DC)",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage VREF (AVDD=3V table, RAN=0)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0.1,
          "typ": 1.25,
          "max": 1.3,
          "conditions": "Table 5 AVDD=3V: RAN = 0",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage VREF (AVDD=3V table, RAN=1)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": 2.5,
          "max": 2.6,
          "conditions": "Table 5 AVDD=3V: RAN = 1",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "REFP, REFN input range (AVDD=3V table, RAN=0)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Table 5 AVDD=3V: RAN = 0 (max printed as AVDD)",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "REFP, REFN input range (AVDD=3V table, RAN=1)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.1,
          "typ": null,
          "max": null,
          "conditions": "Table 5 AVDD=3V: RAN = 1 (max printed as AVDD)",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Power supply voltage AVDD (AVDD=3V table)",
          "symbol": "AVDD",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 3.3,
          "conditions": "Table 5 AVDD=3V: 电源电压 AVDD",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "SDO three-state delay from SCLK edge tdsot",
          "symbol": "tdsot",
          "kind": "timing",
          "unit": "tosc cycles",
          "min": 6,
          "typ": null,
          "max": 10,
          "conditions": "SDO 变为三态与 SCLK 时钟沿的延迟",
          "source_page": 13,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cs1180"
  ],
  "discovery_pitch": "CS1180 (CHIPSEA) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cs1180.kicad_sym",
    "cs1180.kicad_mod",
    "cs1180.glb",
    "cs1180.step",
    "cs1180.lbr",
    "docs/hero.png",
    "docs/cs1180-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cs1180-hero.glb",
    "cs1180-hero.overlay.json",
    "cs1180-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}