HT9201ARSZ

{
  "slug": "ht9201arsz",
  "version": "0.1.0",
  "type": "component",
  "description": "HTCSEMI Analog To Digital Converters (ADC), SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "data acquisition",
    "ht9201arsz",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "HT9201ARSZ",
    "manufacturer": "HTCSEMI",
    "package": "SSOP-28-208mil",
    "pin_count": 28,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589835560123592704",
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      "lbr": "ht9201arsz.lbr"
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    "distributor_links": {
      "lcsc": "C3019546"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T09:20:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
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        "status": "no match"
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    },
    "pins": [
      {
        "number": "1",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground for the logic and output buffers, to be connected close to the ADC with the analog ground in a solid ground plane."
      },
      {
        "number": "2",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital supply for the D0-D9 output buffers, operable from 2.7 V to 5.5 V independently of AVDD."
      },
      {
        "number": "3",
        "name": "D0",
        "type": "output",
        "description": "Bit 0 (LSB) of the straight-binary 10-bit output word, powered from DVDD, with a fan-out of one recommended and load kept below 20 pF."
      },
      {
        "number": "4",
        "name": "D1",
        "type": "output",
        "description": "Bit 1 of the straight-binary 10-bit output word, powered from DVDD, with load kept below 20 pF."
      },
      {
        "number": "5",
        "name": "D2",
        "type": "output",
        "description": "Bit 2 of the straight-binary 10-bit output word, powered from DVDD, with load kept below 20 pF."
      },
      {
        "number": "6",
        "name": "D3",
        "type": "output",
        "description": "Bit 3 of the straight-binary 10-bit output word, powered from DVDD, with load kept below 20 pF."
      },
      {
        "number": "7",
        "name": "D4",
        "type": "output",
        "description": "Bit 4 of the straight-binary 10-bit output word, powered from DVDD, with load kept below 20 pF."
      },
      {
        "number": "8",
        "name": "D5",
        "type": "output",
        "description": "Bit 5 of the straight-binary 10-bit output word, powered from DVDD, with load kept below 20 pF."
      },
      {
        "number": "9",
        "name": "D6",
        "type": "output",
        "description": "Bit 6 of the straight-binary 10-bit output word, powered from DVDD, with load kept below 20 pF."
      },
      {
        "number": "10",
        "name": "D7",
        "type": "output",
        "description": "Bit 7 of the straight-binary 10-bit output word, powered from DVDD, with load kept below 20 pF."
      },
      {
        "number": "11",
        "name": "D8",
        "type": "output",
        "description": "Bit 8 of the straight-binary 10-bit output word, powered from DVDD, with load kept below 20 pF."
      },
      {
        "number": "12",
        "name": "D9",
        "type": "output",
        "description": "Bit 9 (MSB) of the straight-binary 10-bit output word, powered from DVDD, with load kept below 20 pF."
      },
      {
        "number": "13",
        "name": "SELECT",
        "type": "input",
        "description": "Selects the output channel: high presents the I-channel word and low presents the Q-channel word, with the input referenced to AVDD/2 threshold."
      },
      {
        "number": "14",
        "name": "CLOCK",
        "type": "input",
        "description": "Sample clock input, internally buffered from AVDD with threshold at AVDD/2, with clock pulse widths high and low of 22.5 ns each for 20 MSPS operation."
      },
      {
        "number": "15",
        "name": "SLEEP",
        "type": "input",
        "description": "Power-down control: high powers the device down and low gives normal operation."
      },
      {
        "number": "16",
        "name": "INA-I",
        "type": "input",
        "description": "I-channel analog input A, accepting single-ended or differential signals, with an input span of 1 V to 2 V set by the reference mode."
      },
      {
        "number": "17",
        "name": "INB-I",
        "type": "input",
        "description": "I-channel analog input B, accepting single-ended or differential signals, with an input span of 1 V to 2 V set by the reference mode."
      },
      {
        "number": "18",
        "name": "REFT-I",
        "type": "passive",
        "description": "Top reference decoupling node for the I channel, to be bypassed with chip capacitors placed close to the converter."
      },
      {
        "number": "19",
        "name": "REFB-I",
        "type": "passive",
        "description": "Bottom reference decoupling node for the I channel, to be bypassed with chip capacitors placed close to the converter."
      },
      {
        "number": "20",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground for the converters, reference and input buffers, to be joined with DVSS near the ADC."
      },
      {
        "number": "21",
        "name": "REFSENSE",
        "type": "input",
        "description": "Reference mode select: tie to VREF for 1 V, to AVSS for 2 V, to AVDD for external reference, or to a divider tap for a programmable 0.7 V to 2.5 V reference."
      },
      {
        "number": "22",
        "name": "VREF",
        "type": "power_in",
        "description": "Internal reference output, 1 V or 2 V depending on REFSENSE, which becomes an input when an external reference is applied."
      },
      {
        "number": "23",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply, operable from 2.7 V to 5.5 V independently of DVDD, with absolute maximum AVDD to AVSS of -0.3 V to +6.5 V."
      },
      {
        "number": "24",
        "name": "REFB-Q",
        "type": "passive",
        "description": "Bottom reference decoupling node for the Q channel, to be bypassed with chip capacitors placed close to the converter."
      },
      {
        "number": "25",
        "name": "REFT-Q",
        "type": "passive",
        "description": "Top reference decoupling node for the Q channel, to be bypassed with chip capacitors placed close to the converter."
      },
      {
        "number": "26",
        "name": "INB-Q",
        "type": "input",
        "description": "Q-channel analog input B, accepting single-ended or differential signals, with an input span of 1 V to 2 V set by the reference mode."
      },
      {
        "number": "27",
        "name": "INA-Q",
        "type": "input",
        "description": "Q-channel analog input A, accepting single-ended or differential signals, with an input span of 1 V to 2 V set by the reference mode."
      },
      {
        "number": "28",
        "name": "CHIP-SELECT",
        "type": "input",
        "description": "High places the digital outputs in a high-impedance state for in-circuit test or evaluation, and low gives normal operation."
      }
    ],
    "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 covers the HT9201A (Rev. 01) and never prints the ordering code HT9201ARSZ or a suffix; Pages 16-17 also show a QFN-32 package outline and pad layout. That package has no pin table in this; REFT/REFB pins and VREF were typed as passive because they act as decoupling or reference nodes that"
        ],
        "pages_sent": 17,
        "cost_usd": 0.1053,
        "at": "2026-10-20T09:20:28"
      },
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        "pages": 17,
        "sha256": "241b258c73f38974",
        "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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}