ADR4525ARZ

{
  "schema_version": 1,
  "type": "component",
  "slug": "adr4525arz",
  "title": "ADR4525ARZ",
  "brief": "Analog Devices Voltage Reference, SOIC-8. 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",
    "power management (pmic)",
    "adr4525arz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ADR4525ARZ",
    "manufacturer": "Analog Devices",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588914530886307840",
    "parts": {
      "symbol": "adr4525arz.kicad_sym",
      "footprint": "adr4525arz.kicad_mod",
      "model_3d": "adr4525arz-hero.glb",
      "model_3d_plain": "adr4525arz-etched.glb",
      "model_3d_step": "adr4525arz-etched.step",
      "model_3d_step_plain": "adr4525arz.step",
      "lbr": "adr4525arz.lbr"
    },
    "distributor_links": {
      "lcsc": "C579306",
      "digikey": "505-ADR4525ARZ-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T22:33:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-ADR4525ARZ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NIC",
        "type": "unconnected",
        "description": "Internally not connected; this pin has no internal connection and is not part of the signal path."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage connection; the datasheet specifies VIN = 3 V to 15 V for the ADR4525 and an absolute maximum supply voltage of 16 V."
      },
      {
        "number": "3",
        "name": "NIC",
        "type": "unconnected",
        "description": "Internally not connected; this pin has no internal connection and is not part of the signal path."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the reference circuit."
      },
      {
        "number": "5",
        "name": "NIC",
        "type": "unconnected",
        "description": "Internally not connected; this pin has no internal connection and is not part of the signal path."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "power_out",
        "description": "Reference output voltage (2.500 V nominal for ADR4525); rated for +10 mA source and −10 mA sink, and the datasheet recommends connecting VOUT directly to the load for highest output accuracy."
      },
      {
        "number": "7",
        "name": "NIC",
        "type": "unconnected",
        "description": "Internally not connected; this pin has no internal connection and is not part of the signal path."
      },
      {
        "number": "8",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect; this pin must be left unconnected and not wired externally."
      }
    ],
    "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: Table 11 labels these pins NIC (internally not connected). Their KiCad class is set to unconnected; ; Pin numbers and names come from the Table 11 pin function listing on page 11. The pinout drawing (Fi"
        ],
        "pages_sent": 37,
        "cost_usd": 0.0953,
        "at": "2026-10-18T22:33:12"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588914530886307840",
        "pages": 37,
        "sha256": "512ab2dfe214da56",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "512ab2dfe214da568c1b7a4db91cba1246c6d6be9947984a6cf47501d0e42923",
      "rows": [
        {
          "name": "Initial output voltage error (grade A)",
          "symbol": "VOUT_ERR",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.04,
          "typ": null,
          "max": 0.04,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Initial output voltage error (grade A, absolute)",
          "symbol": "VOUT_ERR",
          "kind": "tolerance",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "A级",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient (black box method, grade A)",
          "symbol": "TCVOUT",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "−40°C ≤ TA ≤ +125°C（黑盒法）",
          "source_page": 5,
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        },
        {
          "name": "Temperature coefficient (bow-tie method, grade A)",
          "symbol": "TCVOUT",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "−40°C ≤ TA ≤ +125°C（领结法）",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage regulation",
          "symbol": "ΔVOUT/ΔVIN",
          "kind": "electrical",
          "unit": "ppm/V",
          "min": null,
          "typ": 1,
          "max": 10,
          "conditions": "−40°C ≤ TA ≤ +125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load regulation (sourcing)",
          "symbol": "ΔVOUT/ΔIL",
          "kind": "electrical",
          "unit": "ppm/mA",
          "min": null,
          "typ": 30,
          "max": 80,
          "conditions": "IL = 0 mA至+10 mA拉电流，−40°C ≤ TA ≤ +125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load regulation (sinking)",
          "symbol": "ΔVOUT/ΔIL",
          "kind": "electrical",
          "unit": "ppm/mA",
          "min": null,
          "typ": 60,
          "max": 120,
          "conditions": "IL = 0 mA至−10 mA灌电流，−40°C ≤ TA ≤ +125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current (no load)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 700,
          "max": 950,
          "conditions": "−40°C ≤ TA ≤ +125°C，空载",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage (no load)",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "−40°C ≤ TA ≤ +125°C，空载",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage (IL = 2 mA)",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "−40°C ≤ TA ≤ +125°C，IL = 2 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current capability (sink)",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": -10,
          "typ": null,
          "max": null,
          "conditions": "灌电流",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current capability (source)",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "拉电流",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load capacitance",
          "symbol": "",
          "kind": "electrical",
          "unit": "µF",
          "min": 1,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Ripple rejection ratio",
          "symbol": "RRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "fIN = 1 kHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage noise (0.1 Hz to 10.0 Hz)",
          "symbol": "eNp-p",
          "kind": "electrical",
          "unit": "μV p-p",
          "min": null,
          "typ": 1.25,
          "max": null,
          "conditions": "0.1 Hz至10.0 Hz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage noise density",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "nV/√Hz",
          "min": null,
          "typ": 41.3,
          "max": null,
          "conditions": "1 kHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal hysteresis (full cycle 25→125→−40→25)",
          "symbol": "ΔVOUT_HYS",
          "kind": "electrical",
          "unit": "ppm",
          "min": null,
          "typ": -13,
          "max": null,
          "conditions": "+25°C至+125°C至−40°C至+25°C（全循环）",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal hysteresis (half cycle 25→125→25)",
          "symbol": "ΔVOUT_HYS",
          "kind": "electrical",
          "unit": "ppm",
          "min": null,
          "typ": -97,
          "max": null,
          "conditions": "25°C至125°C至25°C（半循环）",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal hysteresis (full cycle 25→70→0→25)",
          "symbol": "ΔVOUT_HYS",
          "kind": "electrical",
          "unit": "ppm",
          "min": null,
          "typ": -8,
          "max": null,
          "conditions": "25°C至70°C至0°C至25°C（全循环）",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal hysteresis (half cycle 25→70→25)",
          "symbol": "ΔVOUT_HYS",
          "kind": "electrical",
          "unit": "ppm",
          "min": null,
          "typ": -17,
          "max": null,
          "conditions": "25°C至70°C至25°C（半循环）",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Long-term drift (250 hours, early drift)",
          "symbol": "ΔVOUT_LTD",
          "kind": "electrical",
          "unit": "ppm",
          "min": null,
          "typ": 19,
          "max": null,
          "conditions": "TA = 25°C，250小时（早期漂移）",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Long-term drift (1000 hours)",
          "symbol": "ΔVOUT_LTD",
          "kind": "electrical",
          "unit": "ppm",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "TA = 25°C，1000小时",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Long-term drift (4500 hours)",
          "symbol": "ΔVOUT_LTD",
          "kind": "electrical",
          "unit": "ppm",
          "min": null,
          "typ": 51,
          "max": null,
          "conditions": "TA = 25°C，4500小时",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Turn-on settling time",
          "symbol": "tR",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 125,
          "max": null,
          "conditions": "COUT = 1 µF，CIN = 0.1 µF，RLOAD = 1 kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range (recommended operating)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 15,
          "conditions": "Electrical characteristics test conditions (VIN = 3 V to 15 V)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 16,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "ESD human body model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "HBM",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction-to-air (2-layer JEDEC board)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "8-lead SOIC, 2-layer JEDEC board",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction-to-case (1-layer JEDEC board)",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 63,
          "conditions": "8-lead SOIC, 1-layer JEDEC board, 100 µm TIM",
          "source_page": 10,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "ADR4525ARZ (Analog Devices) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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