SSP1120

{
  "schema_version": 1,
  "type": "component",
  "slug": "ssp1120",
  "title": "SSP1120",
  "brief": "Shanghai Siproin Microelectronics Analog To Digital Converters (ADCs), TSSOP-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": [
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    "adc-dac-data conversion",
    "ssp1120",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "SSP1120",
    "manufacturer": "Shanghai Siproin Microelectronics",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Analog To Digital Converters (ADCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d1fcbac56cf1154ed65c844f5a65b0cd.pdf",
    "parts": {
      "symbol": "ssp1120.kicad_sym",
      "footprint": "ssp1120.kicad_mod",
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      "model_3d_plain": "ssp1120-etched.glb",
      "model_3d_step": "ssp1120-etched.step",
      "model_3d_step_plain": "ssp1120.step",
      "lbr": "ssp1120.lbr"
    },
    "distributor_links": {
      "lcsc": "C20618195"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:34:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input for the SPI-compatible interface."
      },
      {
        "number": "2",
        "name": "CS",
        "type": "input",
        "description": "Chip select, active low; connect to DGND if not used."
      },
      {
        "number": "3",
        "name": "CLK",
        "type": "input",
        "description": "External clock source pin (0.5 to 4.5 MHz, 4.096 MHz typ); connect to DGND if not used."
      },
      {
        "number": "4",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "5",
        "name": "AVSS",
        "type": "power_in",
        "description": "Negative analog power supply."
      },
      {
        "number": "6",
        "name": "AIN3/REFN1",
        "type": "input",
        "description": "Analog input 3 or negative reference input 1, with an internal low-side power switch connected between this pin and AVSS."
      },
      {
        "number": "7",
        "name": "AIN2",
        "type": "input",
        "description": "Analog input 2."
      },
      {
        "number": "8",
        "name": "REFN0",
        "type": "input",
        "description": "Negative reference input 0."
      },
      {
        "number": "9",
        "name": "REFP0",
        "type": "input",
        "description": "Positive reference input 0."
      },
      {
        "number": "10",
        "name": "AIN1",
        "type": "input",
        "description": "Analog input 1."
      },
      {
        "number": "11",
        "name": "AIN0/REFP1",
        "type": "input",
        "description": "Analog input 0 or positive reference input 1."
      },
      {
        "number": "12",
        "name": "AVDD",
        "type": "power_in",
        "description": "Positive analog power supply (2.3 V to 5.5 V)."
      },
      {
        "number": "13",
        "name": "DVDD",
        "type": "power_in",
        "description": "Positive digital power supply (2.3 V to 5.5 V)."
      },
      {
        "number": "14",
        "name": "DRDY",
        "type": "output",
        "description": "Data ready, active low; leave unconnected or tie to DVDD with a weak pull-up resistor if not used."
      },
      {
        "number": "15",
        "name": "DOUT/DRDY",
        "type": "output",
        "description": "Serial data output, combined with active-low data ready."
      },
      {
        "number": "16",
        "name": "DIN",
        "type": "input",
        "description": "Serial data input."
      }
    ],
    "provenance": {
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      "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: DOUT/DRDY is high-impedance when CS is high (per SPI timing), so it may be tri_state; it is classed "
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        "cost_usd": 0.1211,
        "at": "2026-10-23T12:34:19"
      },
      "datasheet": {
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        "pages": 16,
        "sha256": "410bf8fb3687df91",
        "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
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-23",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Siproin Microelectronics",
      "Package": "TSSOP-16",
      "Category": "ADC/DAC/Data Conversion",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "410bf8fb3687df91f173a217dc2e483350b1022cccb4185cad76fe6289239dd6",
      "rows": [
        {
          "name": "Analog supply voltage AVDD to AVSS",
          "symbol": "AVDD-AVSS",
          "kind": "absolute_maximum",
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          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Digital supply voltage DVDD to DGND",
          "symbol": "DVDD-DGND",
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          "unit": "V",
          "min": -0.3,
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        {
          "name": "AVSS to DGND",
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          "name": "Input current",
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          "unit": "mA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "Continuous, any pin except power supply pins",
          "source_page": 4,
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        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
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        {
          "name": "Storage temperature",
          "symbol": "Tstg",
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          "unit": "℃",
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        {
          "name": "Unipolar analog power supply AVDD to AVSS",
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          "typ": null,
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        },
        {
          "name": "Digital power supply DVDD to DGND",
          "symbol": "DVDD to DGND",
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          "min": 2.3,
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        {
          "name": "Differential reference input voltage",
          "symbol": "Vref",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.75,
          "typ": 2.5,
          "max": null,
          "conditions": "Vref = V(REFPx) – V(REFNx)",
          "source_page": 4,
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        },
        {
          "name": "External clock frequency",
          "symbol": "f(CLK)",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 0.5,
          "typ": 4.096,
          "max": 4.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Gain error",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -0.5,
          "typ": 0.2,
          "max": 0.5,
          "conditions": "Gain = 1 to 128, TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CMRR at dc",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 90,
          "typ": 97,
          "max": null,
          "conditions": "At dc, gain = 1",
          "source_page": 5,
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        },
        {
          "name": "PSRR AVDD",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 80,
          "typ": 105,
          "max": null,
          "conditions": "AVDD at dc, VCM= 0.5AVDD, gain= 1",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "PSRR DVDD",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 100,
          "typ": 115,
          "max": null,
          "conditions": "DVDD at dc, VCM=0.5AVDD, gain=1",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Internal oscillator accuracy",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -2,
          "typ": 1,
          "max": 2,
          "conditions": "Normal mode",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "IDAC accuracy",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -6,
          "typ": 1,
          "max": 6,
          "conditions": "All current settings, each IDAC",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.7,
          "typ": null,
          "max": null,
          "conditions": "0.7DVDD min, DVDD max",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": null,
          "conditions": "IOH = 3 mA; 0.8DVDD",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "IOL = 3 mA; 0.2DVDD",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input leakage, high",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "µA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "VIH = 5.5 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input leakage, low",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "µA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "VIL = DGND",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Delay time, CS falling edge to first SCLK rising edge",
          "symbol": "td(CSSC)",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "SCLK period",
          "symbol": "tc(SC)",
          "kind": "timing",
          "unit": "ns",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay SCLK rising edge to valid new DOUT",
          "symbol": "tp(SCDO)",
          "kind": "timing",
          "unit": "ns",
          "min": 0,
          "typ": null,
          "max": 25,
          "conditions": "DOUT load = 20 pF || 10 kΩ to DGND",
          "source_page": 9,
          "source": "datasheet"
        }
      ]
    }
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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