CS1180

{
  "slug": "cs1180",
  "version": "0.1.0",
  "type": "component",
  "description": "CHIPSEA Analog To Digital Converters (ADC), SSOP-16-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "data acquisition",
    "cs1180",
    "factory-2.0.0",
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  "component": {
    "mpn": "CS1180",
    "manufacturer": "CHIPSEA",
    "package": "SSOP-16-208mil",
    "pin_count": 16,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
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      "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": {
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      "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"
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        "at": "2026-10-18T23:54:09"
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        "sha256": "5eb0593f504c446f",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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}