ADR4550BRZ

{
  "schema_version": 1,
  "type": "component",
  "slug": "adr4550brz",
  "title": "ADR4550BRZ",
  "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": [
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    "power management (pmic)",
    "adr4550brz",
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  "component": {
    "mpn": "ADR4550BRZ",
    "manufacturer": "Analog Devices",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913825765085184",
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      "lbr": "adr4550brz.lbr"
    },
    "distributor_links": {
      "lcsc": "C579307",
      "digikey": "505-ADR4550BRZ-ND"
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      "source": "Component Ocean /api/assign-pns",
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        "status": "found"
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    "pins": [
      {
        "number": "1",
        "name": "NIC",
        "type": "unconnected",
        "description": "Internal no-connect pin; it is not internally connected and is not a functional pin."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage connection; the datasheet specifies an operating supply range of 3 V to 15 V (5.1 V minimum for the ADR4550) and an absolute maximum of 16 V."
      },
      {
        "number": "3",
        "name": "NIC",
        "type": "unconnected",
        "description": "Internal no-connect pin; it is not internally connected and is not a functional pin."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the reference."
      },
      {
        "number": "5",
        "name": "NIC",
        "type": "unconnected",
        "description": "Internal no-connect pin; it is not internally connected and is not a functional pin."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "power_out",
        "description": "Reference voltage output, 5.000 V nominal for the ADR4550, rated for +10 mA source and −10 mA sink current."
      },
      {
        "number": "7",
        "name": "NIC",
        "type": "unconnected",
        "description": "Internal no-connect pin; it is not internally connected and is not a functional pin."
      },
      {
        "number": "8",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect; this pin must be left unconnected."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Voltage and current limits in the pin descriptions come from the ADR4550 electrical characteristics ; Datasheet pin table (page 11) describes these pins only as NIC (internal no-connect) or DNC (do not "
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        "pages_sent": 37,
        "cost_usd": 0.0944,
        "at": "2026-10-18T23:24:04"
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        "pages": 37,
        "sha256": "512ab2dfe214da56",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
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          "name": "Temperature coefficient, bow-tie method (B grade)",
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          "kind": "electrical",
          "unit": "ppm/mA",
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          "conditions": "IL = 0 mA至+10 mA拉电流，−40°C ≤ TA ≤ +125°C",
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          "name": "Load regulation, sink",
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          "unit": "ppm/mA",
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          "typ": 35,
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        {
          "name": "Quiescent current",
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          "kind": "electrical",
          "unit": "μA",
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        {
          "name": "Dropout voltage, no load",
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          "max": null,
          "conditions": "−40°C ≤ TA ≤ +125°C，空载",
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          "name": "Dropout voltage, IL = 2 mA",
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          "conditions": "−40°C ≤ TA ≤ +125°C，IL = 2 mA",
          "source_page": 9,
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        {
          "name": "Ripple rejection ratio",
          "symbol": "RRR",
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          "unit": "dB",
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          "max": null,
          "conditions": "fIN = 1 kHz",
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        {
          "name": "Output current capability, sink",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
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          "typ": null,
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          "conditions": "灌电流",
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          "name": "Output current capability, source",
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          "name": "Output voltage",
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          "unit": "μV p-p",
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          "unit": "ppm",
          "min": null,
          "typ": -13,
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          "name": "Thermal hysteresis, half cycle (25°C to 125°C to 25°C)",
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          "min": null,
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          "name": "Thermal hysteresis, full cycle (25°C to 70°C to 0°C to 25°C)",
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          "unit": "ppm",
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          "name": "Thermal hysteresis, half cycle (25°C to 70°C to 25°C)",
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          "min": null,
          "typ": -17,
          "max": null,
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          "source_page": 9,
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        {
          "name": "Long-term drift, early (250 hours)",
          "symbol": "ΔVOUT_LTD",
          "kind": "electrical",
          "unit": "ppm",
          "min": null,
          "typ": 19,
          "max": null,
          "conditions": "TA = 25°C",
          "source_page": 9,
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        {
          "name": "Long-term drift, 1000 hours",
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          "source_page": 9,
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        {
          "name": "Long-term drift, 4500 hours",
          "symbol": "ΔVOUT_LTD",
          "kind": "electrical",
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          "min": null,
          "typ": 51,
          "max": null,
          "conditions": "TA = 25°C",
          "source_page": 9,
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        {
          "name": "Turn-on settling time",
          "symbol": "tR",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "COUT = 0.1 µF，CIN = 0.1 µF，RLOAD = 1 kΩ",
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        {
          "name": "Load capacitance",
          "symbol": "",
          "kind": "electrical",
          "unit": "µF",
          "min": 0.1,
          "typ": null,
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        {
          "name": "Input voltage (electrical table condition for ADR4550)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 5.1,
          "typ": null,
          "max": 15,
          "conditions": "除非另有说明，电源电压VIN = 5.1 V至15 V，IL = 0 mA，TA = 25°C",
          "source_page": 9,
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        {
          "name": "Power supply voltage, absolute maximum",
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