main
Ray Set visibility: public 5f0921d 9d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ad5447yruz-reel7",
  "title": "AD5447YRUZ-REEL7",
  "brief": "Analog Devices Digital To Analog Converters (DAC), TSSOP-24. 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",
    "data acquisition",
    "ad5447yruz-reel7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AD5447YRUZ-REEL7",
    "manufacturer": "Analog Devices",
    "package": "TSSOP-24",
    "pin_count": 24,
    "category": "Data Acquisition",
    "subcategory": "Digital To Analog Converters (DAC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588885036519337984",
    "parts": {
      "symbol": "ad5447yruz-reel7.kicad_sym",
      "footprint": "ad5447yruz-reel7.kicad_mod",
      "model_3d": "ad5447yruz-reel7-hero.glb",
      "model_3d_plain": "ad5447yruz-reel7-etched.glb",
      "model_3d_step": "ad5447yruz-reel7-etched.step",
      "model_3d_step_plain": "ad5447yruz-reel7.step",
      "lbr": "ad5447yruz-reel7.lbr"
    },
    "distributor_links": {
      "lcsc": "C514217",
      "digikey": "AD5447YRUZ-REEL7TR-ND",
      "mouser": "584-AD5447YRUZ-R7"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:17:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AD5447YRUZ-REEL7TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-AD5447YRUZ-R7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AGND",
        "type": "power_in",
        "description": "DAC analog ground pin; normally connected to the system analog ground but can be biased to allow single-supply operation."
      },
      {
        "number": "2",
        "name": "IOUTA",
        "type": "output",
        "description": "DAC A current output pin."
      },
      {
        "number": "3",
        "name": "RFBA",
        "type": "passive",
        "description": "DAC A feedback resistor pin, connected to the external amplifier output to establish the DAC voltage output."
      },
      {
        "number": "4",
        "name": "VREFA",
        "type": "input",
        "description": "DAC A reference voltage input pin; the reference input range is ±10 V."
      },
      {
        "number": "5",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "6",
        "name": "DAC A/B",
        "type": "input",
        "description": "Selects DAC A when low and DAC B when high."
      },
      {
        "number": "7",
        "name": "DB11",
        "type": "bidirectional",
        "description": "Parallel data bit 11 of the 12-bit data word; the data bus is also used to read back DAC register contents."
      },
      {
        "number": "8",
        "name": "DB10",
        "type": "bidirectional",
        "description": "Parallel data bit 10 of the 12-bit data word; the data bus is also used to read back DAC register contents."
      },
      {
        "number": "9",
        "name": "DB9",
        "type": "bidirectional",
        "description": "Parallel data bit 9 of the 12-bit data word; the data bus is also used to read back DAC register contents."
      },
      {
        "number": "10",
        "name": "DB8",
        "type": "bidirectional",
        "description": "Parallel data bit 8 of the 12-bit data word; the data bus is also used to read back DAC register contents."
      },
      {
        "number": "11",
        "name": "DB7",
        "type": "bidirectional",
        "description": "Parallel data bit 7 of the 12-bit data word; the data bus is also used to read back DAC register contents."
      },
      {
        "number": "12",
        "name": "DB6",
        "type": "bidirectional",
        "description": "Parallel data bit 6 of the 12-bit data word; the data bus is also used to read back DAC register contents."
      },
      {
        "number": "13",
        "name": "DB5",
        "type": "bidirectional",
        "description": "Parallel data bit 5 of the 12-bit data word; the data bus is also used to read back DAC register contents."
      },
      {
        "number": "14",
        "name": "DB4",
        "type": "bidirectional",
        "description": "Parallel data bit 4 of the 12-bit data word; the data bus is also used to read back DAC register contents."
      },
      {
        "number": "15",
        "name": "DB3",
        "type": "bidirectional",
        "description": "Parallel data bit 3 of the 12-bit data word; the data bus is also used to read back DAC register contents."
      },
      {
        "number": "16",
        "name": "DB2",
        "type": "bidirectional",
        "description": "Parallel data bit 2 of the 12-bit data word; the data bus is also used to read back DAC register contents."
      },
      {
        "number": "17",
        "name": "DB1",
        "type": "bidirectional",
        "description": "Parallel data bit 1 of the 12-bit data word; the data bus is also used to read back DAC register contents."
      },
      {
        "number": "18",
        "name": "DB0",
        "type": "bidirectional",
        "description": "Parallel data bit 0, the least significant bit (LSB), of the 12-bit data word; the data bus is also used to read back DAC register contents."
      },
      {
        "number": "19",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip select input; used with R/W to load parallel data into the input latch or to read data from the DAC register."
      },
      {
        "number": "20",
        "name": "R/W",
        "type": "input",
        "description": "Read/write input; low with CS loads parallel data, and high with CS reads back the DAC register contents."
      },
      {
        "number": "21",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply input; the device operates from a 2.5 V to 5.5 V supply."
      },
      {
        "number": "22",
        "name": "VREFB",
        "type": "input",
        "description": "DAC B reference voltage input pin; the reference input range is ±10 V."
      },
      {
        "number": "23",
        "name": "RFBB",
        "type": "passive",
        "description": "DAC B feedback resistor pin, connected to the external amplifier output to establish the DAC voltage output."
      },
      {
        "number": "24",
        "name": "IOUTB",
        "type": "output",
        "description": "DAC B current output pin."
      }
    ],
    "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 does not assign an electrical ERC type to RFBA/RFBB; 'passive' is an inferred classifi; The datasheet does not assign an electrical ERC type to IOUTA/IOUTB; 'output' is inferred from the d; The datasheet does not assign an electrical ERC type to VREFA/VREFB; 'input' is inferred from the de"
        ],
        "pages_sent": 32,
        "cost_usd": 0.1455,
        "at": "2026-10-19T07:17:11"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588885036519337984",
        "pages": 32,
        "sha256": "edba9a6fc53a9b5c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "ad5447yruz-reel7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "706322f42d9793ebf28d5b80100a68bfa8769998a00b78acadf7af937fc1454f",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ad5447yruz-reel7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "sha256": "2b676aa54441c9b044d4612edd744a8e1c2f77c22ab31294c60ec941353af272",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "TSSOP-24",
      "Category": "Data Acquisition",
      "Pins": "24"
    },
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      "source": "datasheet",
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          "unit": "kΩ",
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          "conditions": "输入电阻TC = –50 ppm/°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "反馈电阻 R",
          "symbol": "R",
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          "name": "VREFA至VREFB输入电阻不匹配",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 1.6,
          "max": 2.5,
          "conditions": "典型值 = 25°C,最大值 = 125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输入高电压",
          "symbol": "VIH",
          "kind": "electrical",
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          "min": 1.7,
          "typ": null,
          "max": null,
          "conditions": "VDD = 3.6 V至5.5 V",
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          "name": "输入低电压",
          "symbol": "VIL",
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          "name": "输入低电压",
          "symbol": "VIL",
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          "name": "输出低电压",
          "symbol": "VOL",
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          "max": 0.4,
          "conditions": "VDD = 4.5 V至5.5 V, I SINK = 200 µA",
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          "name": "输入电容",
          "symbol": "",
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        {
          "name": "输出电压建立时间 (FS测量精度±1 mV)",
          "symbol": "",
          "kind": "timing",
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          "min": null,
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          "conditions": "RLOAD = 100 Ω,CLOAD = 15 pF,VREF = 10 V,DAC锁存交替加载0和1",
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          "name": "输出电压建立时间 (FS测量精度±16 mV)",
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          "kind": "timing",
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          "conditions": "RLOAD = 100 Ω,CLOAD = 15 pF,VREF = 10 V,DAC锁存交替加载0和1",
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          "name": "10%至90%建立时间",
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          "name": "电源电压范围",
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          "name": "电源电流 IDD",
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          "conditions": "TA = −40°C至+125°C,逻辑输入 = 0 V或VDD",
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          "name": "VDD至GND",
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          "name": "VREFA、VREFB、RFBA、RFBB至DGND",
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          "name": "IOUT1、IOUT2至DGND",
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          "name": "24引脚 TSSOP θJA热阻",
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          "name": "引脚温度,焊接",
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        {
          "name": "IR回流焊峰值温度",
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}