HT1274ARZ

{
  "schema_version": 1,
  "type": "component",
  "slug": "ht1274arz",
  "title": "HT1274ARZ",
  "brief": "HTCSEMI Precision Op Amps, SOP-14. 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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    "amplifiers-comparators",
    "ht1274arz",
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  "component": {
    "mpn": "HT1274ARZ",
    "manufacturer": "HTCSEMI",
    "package": "SOP-14",
    "pin_count": 14,
    "category": "Amplifiers/Comparators",
    "subcategory": "Precision Op Amps",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590454824085839872",
    "parts": {
      "symbol": "ht1274arz.kicad_sym",
      "footprint": "ht1274arz.kicad_mod",
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      "model_3d_plain": "ht1274arz-etched.glb",
      "model_3d_step": "ht1274arz-etched.step",
      "model_3d_step_plain": "ht1274arz.step",
      "lbr": "ht1274arz.lbr"
    },
    "distributor_links": {
      "lcsc": "C5241926"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:13:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Out A",
        "type": "output",
        "description": "Channel A output, which swings rail-to-rail (about 300 mV typical from the positive rail and 300 mV typical from the negative rail at RLOAD = 10kΩ to VS/2)."
      },
      {
        "number": "2",
        "name": "-In A",
        "type": "input",
        "description": "Channel A inverting input; the input common-mode range extends to V- and up to (V+) - 1.5 V."
      },
      {
        "number": "3",
        "name": "+In A",
        "type": "input",
        "description": "Channel A non-inverting input; the input common-mode range extends to V- and up to (V+) - 1.5 V."
      },
      {
        "number": "4",
        "name": "+Vs",
        "type": "power_in",
        "description": "Positive supply rail; the datasheet specifies a supply voltage range of 3 V to 36 V."
      },
      {
        "number": "5",
        "name": "+In B",
        "type": "input",
        "description": "Channel B non-inverting input; the input common-mode range extends to V- and up to (V+) - 1.5 V."
      },
      {
        "number": "6",
        "name": "-In B",
        "type": "input",
        "description": "Channel B inverting input; the input common-mode range extends to V- and up to (V+) - 1.5 V."
      },
      {
        "number": "7",
        "name": "Out B",
        "type": "output",
        "description": "Channel B output, which swings rail-to-rail (about 300 mV typical from each rail at RLOAD = 10kΩ to VS/2)."
      },
      {
        "number": "8",
        "name": "Out C",
        "type": "output",
        "description": "Channel C output, which swings rail-to-rail (about 300 mV typical from each rail at RLOAD = 10kΩ to VS/2)."
      },
      {
        "number": "9",
        "name": "-In C",
        "type": "input",
        "description": "Channel C inverting input; the input common-mode range extends to V- and up to (V+) - 1.5 V."
      },
      {
        "number": "10",
        "name": "+In C",
        "type": "input",
        "description": "Channel C non-inverting input; the input common-mode range extends to V- and up to (V+) - 1.5 V."
      },
      {
        "number": "11",
        "name": "-Vs",
        "type": "power_in",
        "description": "Negative supply rail (V-); the input common-mode range extends to this pin."
      },
      {
        "number": "12",
        "name": "+In D",
        "type": "input",
        "description": "Channel D non-inverting input; the input common-mode range extends to V- and up to (V+) - 1.5 V."
      },
      {
        "number": "13",
        "name": "-In D",
        "type": "input",
        "description": "Channel D inverting input; the input common-mode range extends to V- and up to (V+) - 1.5 V."
      },
      {
        "number": "14",
        "name": "Out D",
        "type": "output",
        "description": "Channel D output, which swings rail-to-rail (about 300 mV typical from each rail at RLOAD = 10kΩ to VS/2)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "primary_model": "claude-haiku-5-5",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN suffix 'RZ' does not appear anywhere in the datasheet. The HT1274A is listed only with '-S' ; Pin 4 is ambiguous in the extracted text. The diagram line reads '-Vs 4', but the HT1274A pin list r; Pin descriptions for the input and output pins use the common-mode range and output swing values sta"
        ],
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        "at": "2026-10-18T02:13:09"
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        "pages": 13,
        "sha256": "fe60d032ebcbcdc9",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "HTCSEMI",
      "Package": "SOP-14",
      "Category": "Amplifiers/Comparators",
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          "name": "Quiescent Current per Amplifier (HT1272/HT1274)",
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          "name": "Quiescent Current per Amplifier (HT1272/HT1274)",
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        {
          "name": "Power Supply Rejection Ratio",
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          "typ": 120,
          "max": null,
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        {
          "name": "Power Supply Rejection Ratio",
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        {
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          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -2,
          "typ": 0.1,
          "max": 2,
          "conditions": "VS = 30V, VCM = 0V to 28V",
          "source_page": 2,
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        },
        {
          "name": "Input Offset Voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -2.5,
          "typ": null,
          "max": 2.5,
          "conditions": "-40°C to 85°C",
          "source_page": 2,
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        {
          "name": "Input Offset Voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -3,
          "typ": null,
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        {
          "name": "Input Offset Voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "-40°C to 125°C",
          "source_page": 2,
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        },
        {
          "name": "Input Offset Voltage Drift",
          "symbol": "VOS TC",
          "kind": "electrical",
          "unit": "μV/°C",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "-40°C to 125°C",
          "source_page": 2,
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        {
          "name": "Input Bias Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "pA",
          "min": null,
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          "max": 25,
          "conditions": "",
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        {
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        {
          "name": "Open-loop Voltage Gain",
          "symbol": "Av",
          "kind": "electrical",
          "unit": "dB",
          "min": 105,
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        {
          "name": "Common Mode Rejection Ratio",
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          "kind": "electrical",
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          "typ": 130,
          "max": null,
          "conditions": "VCM = 0V to 28V",
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          "name": "Output Swing from Positive Rail",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 200,
          "max": 300,
          "conditions": "RLOAD = 10kΩ to VS/2",
          "source_page": 3,
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          "kind": "electrical",
          "unit": "V",
          "min": null,
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          "max": 1.4,
          "conditions": "RLOAD = 2kΩ to VS/2",
          "source_page": 3,
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          "name": "Output Swing from Positive Rail",
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          "kind": "electrical",
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        {
          "name": "Output Swing from Negative Rail",
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        {
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          "name": "Output Short-Circuit Current",
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