SSP1220

{
  "schema_version": 1,
  "type": "component",
  "slug": "ssp1220",
  "title": "SSP1220",
  "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": [
    "component",
    "adc-dac-data conversion",
    "ssp1220",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "SSP1220",
    "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/c19354a8391fc5a2a913842c993a324c.pdf",
    "parts": {
      "symbol": "ssp1220.kicad_sym",
      "footprint": "ssp1220.kicad_mod",
      "model_3d": "ssp1220-hero.glb",
      "model_3d_plain": "ssp1220-etched.glb",
      "model_3d_step": "ssp1220-etched.step",
      "model_3d_step_plain": "ssp1220.step",
      "lbr": "ssp1220.lbr"
    },
    "distributor_links": {
      "lcsc": "C20618196"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:14:21Z",
      "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 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 nominal); 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 AIN3/REFN1 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 relative to AVSS)."
      },
      {
        "number": "13",
        "name": "DVDD",
        "type": "power_in",
        "description": "Positive digital power supply (2.3 V to 5.5 V relative to DGND)."
      },
      {
        "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 data ready (active low)."
      },
      {
        "number": "16",
        "name": "DIN",
        "type": "input",
        "description": "Serial data input."
      }
    ],
    "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: Package drawing on page 16 has no extractable text; pin numbers come from the page 3 pin table. The "
        ],
        "pages_sent": 17,
        "cost_usd": 0.1353,
        "at": "2026-10-23T09:14:06"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c19354a8391fc5a2a913842c993a324c.pdf",
        "pages": 17,
        "sha256": "c6d9fffa1a6ba43f",
        "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": [
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        "file": "ssp1220.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ssp1220-etched.step",
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        "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": "c6d9fffa1a6ba43f4adc106a54b2bb6f282a4aa31abc2acb70342c3e67f21067",
      "rows": [
        {
          "name": "AVDD to AVSS (abs max)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
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          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "DVDD to DGND (abs max)",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
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        },
        {
          "name": "AVSS to DGND (abs max)",
          "symbol": "",
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          "min": -2.8,
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        {
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          "unit": "mA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "Continuous, any pin except power supply pins",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -60,
          "typ": null,
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          "conditions": "",
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        {
          "name": "Unipolar analog supply AVDD to AVSS",
          "symbol": "AVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.3,
          "typ": null,
          "max": 5.5,
          "conditions": "Unipolar analog power supply",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "AVSS to DGND unipolar",
          "symbol": "AVSS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.1,
          "typ": 0,
          "max": 0.1,
          "conditions": "Unipolar analog power supply",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Bipolar AVDD to DGND",
          "symbol": "AVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.3,
          "typ": 2.5,
          "max": 5.5,
          "conditions": "Bipolar analog power supply",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Bipolar AVSS to DGND",
          "symbol": "AVSS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -2.75,
          "typ": -2.5,
          "max": -2.3,
          "conditions": "Bipolar analog power supply",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Digital supply DVDD to DGND",
          "symbol": "DVDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "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); max printed as AVDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "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": "External clock duty cycle",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "%",
          "min": 40,
          "typ": null,
          "max": 60,
          "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": "Integral nonlinearity",
          "symbol": "INL",
          "kind": "electrical",
          "unit": "ppmFSR",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "Gain=1 to 128, VCM=0.5*AVDD, best fit",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input offset voltage, PGA disabled",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "µV",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "PGA disabled, gain = 1 to 4, differential inputs",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input offset voltage, PGA enabled",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "µV",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "Gain= 1 to 128, differential inputs",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Offset drift, PGA disabled",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "µV/℃",
          "min": null,
          "typ": 0.1,
          "max": 0.3,
          "conditions": "PGA disabled, gain = 1 to 4",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Offset drift, -40 to 85℃",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "µV/℃",
          "min": null,
          "typ": 0.1,
          "max": 0.3,
          "conditions": "Gain= 1 to 128, TA= –40℃ to +85℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Offset drift, gain 1 to 128",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "µV/℃",
          "min": null,
          "typ": 0.3,
          "max": 0.5,
          "conditions": "Gain = 1 to 128",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Gain error, PGA disabled",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "PGA disabled, gain = 1 to 4",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Gain error, PGA enabled",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -0.5,
          "typ": 0.2,
          "max": 0.5,
          "conditions": "Gain = 1 to 128, TA = 25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Gain drift, PGA disabled",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "PGA disabled, gain = 1 to 4",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Gain drift, gain 1 to 128",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": null,
          "typ": 5,
          "max": 20,
          "conditions": "Gain = 1 to 128",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "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 reference initial accuracy",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.048,
          "max": null,
          "conditions": "TA = 25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference drift -45~125℃",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": null,
          "typ": 5,
          "max": 30,
          "conditions": "-45~125℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference drift -45~85℃",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": null,
          "typ": 4,
          "max": 10,
          "conditions": "-45~85℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference drift 0~85℃",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": null,
          "typ": 3,
          "max": 7,
          "conditions": "0~85℃",
          "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": "IDAC current match",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -0.3,
          "typ": null,
          "max": 0.3,
          "conditions": "Between IDAC",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature sensor accuracy 0 to 75℃",
          "symbol": "",
          "kind": "electrical",
          "unit": "℃",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "TA = 0℃ to +75℃",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature sensor accuracy -40 to 125℃",
          "symbol": "",
          "kind": "electrical",
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          "typ": null,
          "max": 1,
          "conditions": "TA = –40℃ to +125℃",
          "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": 6,
          "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 CS falling to first SCLK rising",
          "symbol": "td(CSSC)",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Delay final SCLK falling to CS rising",
          "symbol": "td(SCCS)",
          "kind": "timing",
          "unit": "ns",
          "min": 25,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "CS high pulse duration",
          "symbol": "tw(CSH)",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "SCLK period",
          "symbol": "tc(SC)",
          "kind": "timing",
          "unit": "ns",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "SCLK high pulse duration",
          "symbol": "tw(SCH)",
          "kind": "timing",
          "unit": "ns",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "SCLK low pulse duration",
          "symbol": "tw(SCL)",
          "kind": "timing",
          "unit": "ns",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "DIN setup time",
          "symbol": "tsu(DI)",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "DIN valid before SCLK falling edge",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "DIN hold time",
          "symbol": "th(DI)",
          "kind": "timing",
          "unit": "ns",
          "min": 25,
          "typ": null,
          "max": null,
          "conditions": "DIN valid after SCLK falling edge",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay CS falling to DOUT driven",
          "symbol": "tp(CSDO)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "DOUT load = 20 pF || 10 kΩ to DGND",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay SCLK rising to valid 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": 10,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay CS rising to DOUT high-Z",
          "symbol": "tp(CSDOZ)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "DOUT load = 20 pF || 10 kΩ to DGND",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Analog supply current, duty-cycle, PGA disabled",
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