CA-IS3761HW

{
  "schema_version": 1,
  "type": "component",
  "slug": "ca-is3761hw",
  "title": "CA-IS3761HW",
  "brief": "Chipanalog Digital Isolators, SOIC-16-300mil. 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",
    "signal isolation devices",
    "ca-is3761hw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CA-IS3761HW",
    "manufacturer": "Chipanalog",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Signal Isolation Devices",
    "subcategory": "Digital Isolators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907953331691520",
    "parts": {
      "symbol": "ca-is3761hw.kicad_sym",
      "footprint": "ca-is3761hw.kicad_mod",
      "model_3d": "ca-is3761hw-hero.glb",
      "model_3d_plain": "ca-is3761hw-etched.glb",
      "model_3d_step": "ca-is3761hw-etched.step",
      "model_3d_step_plain": "ca-is3761hw.step",
      "lbr": "ca-is3761hw.lbr"
    },
    "distributor_links": {
      "lcsc": "C528656"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T08:33:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDDA",
        "type": "power_in",
        "description": "A-side supply voltage, recommended 2.375 V to 5.5 V with an absolute maximum of 6.0 V, referenced to GNDA."
      },
      {
        "number": "2",
        "name": "VI1",
        "type": "input",
        "description": "A-side forward logic input with Schmitt-trigger thresholds, VIH minimum 2.0 V and VIL maximum 0.8 V."
      },
      {
        "number": "3",
        "name": "VI2",
        "type": "input",
        "description": "A-side forward logic input with Schmitt-trigger thresholds, VIH minimum 2.0 V and VIL maximum 0.8 V."
      },
      {
        "number": "4",
        "name": "VI3",
        "type": "input",
        "description": "A-side forward logic input with Schmitt-trigger thresholds, VIH minimum 2.0 V and VIL maximum 0.8 V."
      },
      {
        "number": "5",
        "name": "VI4",
        "type": "input",
        "description": "A-side forward logic input with Schmitt-trigger thresholds, VIH minimum 2.0 V and VIL maximum 0.8 V."
      },
      {
        "number": "6",
        "name": "VI5",
        "type": "input",
        "description": "A-side forward logic input with Schmitt-trigger thresholds, VIH minimum 2.0 V and VIL maximum 0.8 V."
      },
      {
        "number": "7",
        "name": "VO6",
        "type": "output",
        "description": "A-side reverse-channel logic output, rail-to-rail with about 50 Ω output impedance; it takes the default-high state (CA-IS376xH) when the input-side supply is lost."
      },
      {
        "number": "8",
        "name": "GNDA",
        "type": "power_in",
        "description": "A-side ground reference point; all voltages on the A side are referenced to this pin."
      },
      {
        "number": "9",
        "name": "GNDB",
        "type": "power_in",
        "description": "B-side ground reference point; all voltages on the B side are referenced to this pin."
      },
      {
        "number": "10",
        "name": "VI6",
        "type": "input",
        "description": "B-side reverse-channel logic input with Schmitt-trigger thresholds, VIH minimum 2.0 V and VIL maximum 0.8 V."
      },
      {
        "number": "11",
        "name": "VO5",
        "type": "output",
        "description": "B-side forward-channel logic output, rail-to-rail with about 50 Ω output impedance."
      },
      {
        "number": "12",
        "name": "VO4",
        "type": "output",
        "description": "B-side forward-channel logic output, rail-to-rail with about 50 Ω output impedance."
      },
      {
        "number": "13",
        "name": "VO3",
        "type": "output",
        "description": "B-side forward-channel logic output, rail-to-rail with about 50 Ω output impedance."
      },
      {
        "number": "14",
        "name": "VO2",
        "type": "output",
        "description": "B-side forward-channel logic output, rail-to-rail with about 50 Ω output impedance."
      },
      {
        "number": "15",
        "name": "VO1",
        "type": "output",
        "description": "B-side forward-channel logic output, rail-to-rail with about 50 Ω output impedance."
      },
      {
        "number": "16",
        "name": "VDDB",
        "type": "power_in",
        "description": "B-side supply voltage, recommended 2.375 V to 5.5 V with an absolute maximum of 6.0 V, referenced to GNDB."
      }
    ],
    "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: Pin functions were taken from Table 5-1 and the CA-IS3761 top-view figure on page 4. The table lists; Pin types are inferred from the function names: VI* pins are inputs, VO* pins are outputs, and VDDA/; The datasheet is in Chinese. The absolute maximum input voltage is printed as 'VDDA+0.53 V' with foo"
        ],
        "pages_sent": 22,
        "cost_usd": 0.1172,
        "at": "2026-10-19T08:31:48"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907953331691520",
        "pages": 22,
        "sha256": "adf22151c4806ef6",
        "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": [
      {
        "file": "ca-is3761hw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ca-is3761hw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e3d6985bff5456aacc9ec4fb23f2f05ab1eed5f29de59d4076bf5060f843353d",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Chipanalog",
      "Package": "SOIC-16-300mil",
      "Category": "Signal Isolation Devices",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "adf22151c4806ef6c94eab879d885ebf404e0d3c88ecab5161e08439f01814e6",
      "rows": [
        {
          "name": "电源电压 (VDDA, VDDB)",
          "symbol": "VDDA, VDDB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "输入电压",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "Ax, Bx, ENx",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "输出电流",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "结温",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "存储温度范围",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "电源电压 (VDDA, VDDB)",
          "symbol": "VDDA, VDDB",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.375,
          "typ": 3.3,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VDD 电源电压上升时的欠压阈值",
          "symbol": "VDD（UVLO+）",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.95,
          "typ": 2.24,
          "max": 2.375,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VDD 电源电压下降时的欠压阈值",
          "symbol": "VDD（UVLO-）",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.88,
          "typ": 2.1,
          "max": 2.325,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VDD 迟滞欠压阈值",
          "symbol": "VHYS（UVLO）",
          "kind": "recommended_operating",
          "unit": "mV",
          "min": 70,
          "typ": 140,
          "max": 250,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "高电平输出电流",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -4,
          "typ": null,
          "max": null,
          "conditions": "VDDO = 5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "高电平输出电流",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -2,
          "typ": null,
          "max": null,
          "conditions": "VDDO = 3.3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "高电平输出电流",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "VDDO = 2.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "低电平输出电流",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "VDDO = 5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "低电平输出电流",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VDDO = 3.3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "低电平输出电流",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VDDO = 2.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "输入阈值逻辑高电平",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "输入阈值逻辑低电平",
          "symbol": "VIL",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "信号传输速率",
          "symbol": "DR",
          "kind": "recommended_operating",
          "unit": "Mbps",
          "min": 0,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "环境温度",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": 27,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "输出电压逻辑低电平",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.2,
          "max": 0.4,
          "conditions": "VDDA=VDDB=5 V ±10%, TA=-40 to 125°C; IOL = 4mA; 图 7-1",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "正输入阈值",
          "symbol": "VIT+(IN)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": 1.67,
          "max": 1.9,
          "conditions": "VDDA=VDDB=5 V ±10%, TA=-40 to 125°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "负输入阈值",
          "symbol": "VIT-(IN)",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": 1.23,
          "max": 1.4,
          "conditions": "VDDA=VDDB=5 V ±10%, TA=-40 to 125°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "输入阈值迟滞",
          "symbol": "VI(HYS)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.3,
          "typ": 0.44,
          "max": 0.5,
          "conditions": "VDDA=VDDB=5 V ±10%, TA=-40 to 125°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "输入高电平漏电流",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "VDDA=VDDB=5 V ±10%; VIH = VDDA at Ax or Bx or ENx",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "输入低电平漏电流",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": -4,
          "typ": null,
          "max": null,
          "conditions": "VDDA=VDDB=5 V ±10%; VIL = 0 V at Ax or Bx",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "共模瞬变抗扰度",
          "symbol": "CMTI",
          "kind": "electrical",
          "unit": "kV/µs",
          "min": 75,
          "typ": 100,
          "max": null,
          "conditions": "VDDA=VDDB=5 V ±10%; VI = VDDI1 or 0 V, VCM = 1200 V; 图 7-3",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "最小脉宽",
          "symbol": "PWmin",
          "kind": "timing",
          "unit": "ns",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "VDDA=VDDB=5 V ±10%, TA=-40 to 125°C",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "传播延迟",
          "symbol": "tPLH, tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": 5,
          "typ": 8,
          "max": 13,
          "conditions": "VDDA=VDDB=5 V ±10%, TA=-40 to 125°C; 图 7-1",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "脉冲宽度失真",
          "symbol": "PWD",
          "kind": "timing",
          "unit": "ns",
          "min": 0.2,
          "typ": null,
          "max": 4.5,
          "conditions": "VDDA=VDDB=5 V ±10%; |tPLH - tPHL|",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "输出上升时间",
          "symbol": "tr",
          "kind": "timing",
          "unit": "ns",
          "min": 2.5,
          "typ": null,
          "max": 4,
          "conditions": "VDDA=VDDB=5 V ±10%; 图 7-1",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "输出下降时间",
          "symbol": "tf",
          "kind": "timing",
          "unit": "ns",
          "min": 2.5,
          "typ": null,
          "max": 4,
          "conditions": "VDDA=VDDB=5 V ±10%; 图 7-1",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "默认输出延迟时间从输入电源损耗",
          "symbol": "tDO",
          "kind": "timing",
          "unit": "ns",
          "min": 8,
          "typ": null,
          "max": 12,
          "conditions": "VDDA=VDDB=5 V ±10%; 图 7-2",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "启动时间",
          "symbol": "tSU",
          "kind": "timing",
          "unit": "µs",
          "min": 15,
          "typ": null,
          "max": 40,
          "conditions": "VDDA=VDDB=5 V ±10%",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "电源电流 DC（A侧，H版本）",
          "symbol": "IDDA",
          "kind": "electrical",
          "unit": "mA",
          "min": 1.9,
          "typ": null,
          "max": 2.9,
          "conditions": "VDDA=VDDB=5 V ±10%; DC signal; VIN = VDDI1 (CA-IS3761H)",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "电源电流 DC（B侧，H版本）",
          "symbol": "IDDB",
          "kind": "electrical",
          "unit": "mA",
          "min": 2.9,
          "typ": null,
          "max": 5.9,
          "conditions": "VDDA=VDDB=5 V ±10%; DC signal; VIN = VDDI1 (CA-IS3761H)",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "电源电流 DC（A侧，H版本，输入0V）",
          "symbol": "IDDA",
          "kind": "electrical",
          "unit": "mA",
          "min": 5.7,
          "typ": null,
          "max": 8.5,
          "conditions": "VDDA=VDDB=5 V ±10%; DC signal; VIN = 0V (CA-IS3761H)",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "电源电流 DC（B侧，H版本，输入0V）",
          "symbol": "IDDB",
          "kind": "electrical",
          "unit": "mA",
          "min": 4.9,
          "typ": null,
          "max": 7.3,
          "conditions": "VDDA=VDDB=5 V ±10%; DC signal; VIN = 0V (CA-IS3761H)",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "隔离电压 (UL 1577, W封装)",
          "symbol": "VISO",
          "kind": "absolute_maximum",
          "unit": "VRMS",
          "min": null,
          "typ": null,
          "max": 5000,
          "conditions": "UL 1577; VTEST = VISO, t = 60 s (认证)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "输出电压逻辑高电平",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 4.8,
          "max": null,
          "conditions": "VDDA=VDDB=5 V ±10%; IOH = -4mA; 图 7-1",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "输出电压逻辑高电平",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.1,
          "max": null,
          "conditions": "VDDA=VDDB=3.3 V ±10%; IOH = -4mA; 图 7-1",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "输出电压逻辑高电平",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.3,
          "max": null,
          "conditions": "VDDA=VDDB=2.5 V ±5%; IOH = -4mA; 图 7-1",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "结到环境热阻 (SOIC16-WB)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
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