MS9280

{
  "slug": "ms9280",
  "version": "0.1.0",
  "type": "component",
  "description": "Hangzhou Ruimeng Tech Analog To Digital Converters (ADC), SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "ms9280",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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    "path": "docs/hero.png"
  },
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  "component": {
    "mpn": "MS9280",
    "manufacturer": "Hangzhou Ruimeng Tech",
    "package": "SSOP-28-208mil",
    "pin_count": 28,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893651318034432",
    "parts": {
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      "footprint": "ms9280.kicad_mod",
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      "lbr": "ms9280.lbr"
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    "distributor_links": {
      "lcsc": "C1509021"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T12:21:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground for the ADC core, to which AIN and the reference network are referenced (absolute maximum AVSS to AVDD is -0.3 V to +6.5 V)."
      },
      {
        "number": "2",
        "name": "DRVDD",
        "type": "power_in",
        "description": "Digital output driver supply, specified at 2.7 V to 5.5 V (3 V typical), with absolute maximum DRVDD to DRVSS of -0.3 V to +6.5 V."
      },
      {
        "number": "3",
        "name": "D0",
        "type": "tri_state",
        "description": "Digital output bit 0, the least significant bit of the binary output; high-impedance when THREE_STATE is high."
      },
      {
        "number": "4",
        "name": "D1",
        "type": "tri_state",
        "description": "Digital output bit 1 of the 10-bit binary output; high-impedance when THREE_STATE is high."
      },
      {
        "number": "5",
        "name": "D2",
        "type": "tri_state",
        "description": "Digital output bit 2 of the 10-bit binary output; high-impedance when THREE_STATE is high."
      },
      {
        "number": "6",
        "name": "D3",
        "type": "tri_state",
        "description": "Digital output bit 3 of the 10-bit binary output; high-impedance when THREE_STATE is high."
      },
      {
        "number": "7",
        "name": "D4",
        "type": "tri_state",
        "description": "Digital output bit 4 of the 10-bit binary output; high-impedance when THREE_STATE is high."
      },
      {
        "number": "8",
        "name": "D5",
        "type": "tri_state",
        "description": "Digital output bit 5 of the 10-bit binary output; high-impedance when THREE_STATE is high."
      },
      {
        "number": "9",
        "name": "D6",
        "type": "tri_state",
        "description": "Digital output bit 6 of the 10-bit binary output; high-impedance when THREE_STATE is high."
      },
      {
        "number": "10",
        "name": "D7",
        "type": "tri_state",
        "description": "Digital output bit 7 of the 10-bit binary output; high-impedance when THREE_STATE is high."
      },
      {
        "number": "11",
        "name": "D8",
        "type": "tri_state",
        "description": "Digital output bit 8 of the 10-bit binary output; high-impedance when THREE_STATE is high."
      },
      {
        "number": "12",
        "name": "D9",
        "type": "tri_state",
        "description": "Digital output bit 9, the most significant bit of the binary output; high-impedance when THREE_STATE is high."
      },
      {
        "number": "13",
        "name": "OTR",
        "type": "output",
        "description": "Out-of-range flag that indicates the input has exceeded the minimum or maximum quantization range."
      },
      {
        "number": "14",
        "name": "DRVSS",
        "type": "power_in",
        "description": "Digital ground for the output drivers, with DRVSS to AVSS limited to -0.3 V to +0.3 V."
      },
      {
        "number": "15",
        "name": "CLK",
        "type": "input",
        "description": "Conversion clock input referenced to AVSS with a threshold of AVDD/2; maximum rate 35 MHz with minimum high and low pulse widths of 10 ns."
      },
      {
        "number": "16",
        "name": "THREE_STATE",
        "type": "input",
        "description": "Output three-state control: logic high places D0-D9 in high impedance, logic low gives normal operation."
      },
      {
        "number": "17",
        "name": "STBY",
        "type": "input",
        "description": "Standby control: logic high puts the device in standby (sleep) mode, logic low selects normal operation; the device returns to normal mode about 400 ns after STBY goes low."
      },
      {
        "number": "18",
        "name": "REFSENSE",
        "type": "input",
        "description": "Reference mode select input that chooses between the internal 1 V/2 V reference configurations and external reference operation (see Table 1 and Figures 2d-2g)."
      },
      {
        "number": "19",
        "name": "CLAMP",
        "type": "input",
        "description": "Clamp control: logic high enables clamp mode, logic low selects non-clamp mode; the clamp is active while CLAMP is high."
      },
      {
        "number": "20",
        "name": "CLAMPIN",
        "type": "input",
        "description": "Clamp voltage input that sets the DC level the AIN input is clamped to; the recommended range is 0.5 V to 2.5 V."
      },
      {
        "number": "21",
        "name": "REFTS",
        "type": "passive",
        "description": "High reference voltage (top reference) for the ADC, with a range of 1 V to AVDD."
      },
      {
        "number": "22",
        "name": "REFTF",
        "type": "passive",
        "description": "High reference decoupling pin, requiring the decoupling network shown in Figure 3 (10 µF and 0.1 µF capacitors)."
      },
      {
        "number": "23",
        "name": "MODE",
        "type": "input",
        "description": "Mode select input that sets the input range and top/bottom, middle or differential reference configuration (see Table 1); it is tied to AVDD in the main operating mode."
      },
      {
        "number": "24",
        "name": "REFBF",
        "type": "passive",
        "description": "Low reference decoupling pin, requiring the decoupling network shown in Figure 3 (10 µF and 0.1 µF capacitors)."
      },
      {
        "number": "25",
        "name": "REFBS",
        "type": "passive",
        "description": "Low reference voltage (bottom reference) for the ADC, with a range of AVSS (GND) to AVDD-1 V."
      },
      {
        "number": "26",
        "name": "VREF",
        "type": "power_in",
        "description": "Internal reference voltage output, nominally 1 V or 2 V depending on the REFSENSE configuration, with a 1.0 µF decoupling capacitor."
      },
      {
        "number": "27",
        "name": "AIN",
        "type": "input",
        "description": "Analog signal input, with an input voltage range of REFBS to REFTS and absolute limits of AVSS - 0.3 V to AVDD + 0.3 V."
      },
      {
        "number": "28",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply, specified at 2.7 V to 5.5 V (3 V typical), with absolute maximum AVSS to AVDD of -0.3 V to +6.5 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: Datasheet covers only one package, SSOP28 (packaging table on page 22 lists SSOP28 only), so the SSO; The printed pin map (page 2) text layout is garbled in extraction. I used the pin description table ; Pin 16 is printed as 'THREE-STATE' on the pin map and 'THREE_STATE' in the description table; I used"
        ],
        "pages_sent": 24,
        "cost_usd": 0.0833,
        "at": "2026-10-18T12:18:23"
      },
      "datasheet": {
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        "pages": 24,
        "sha256": "c4e2a8e43f4e94dc",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "zmin_mm": 0.0,
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        "checked": "2026-10-18",
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}