ADUM3190ARQZ-RL7

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  "slug": "adum3190arqz-rl7",
  "title": "ADUM3190ARQZ-RL7",
  "brief": "Analog Devices Isolation Amplifiers, QSOP-16-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "ADUM3190ARQZ-RL7",
    "manufacturer": "Analog Devices",
    "package": "QSOP-16-150mil",
    "pin_count": 16,
    "category": "Signal Isolation Devices",
    "subcategory": "Isolation Amplifiers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886278494019584",
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    "pins": [
      {
        "number": "1",
        "name": "VDD1",
        "type": "power_in",
        "description": "Primary-side main supply voltage input, operating range 3.0 V to 20 V, requires 1 μF bypass capacitor to GND1."
      },
      {
        "number": "2",
        "name": "GND1",
        "type": "power_in",
        "description": "Primary-side ground reference."
      },
      {
        "number": "3",
        "name": "VREG1",
        "type": "power_out",
        "description": "Primary-side internal regulated supply output approximately 3.0 V, requires 1 μF bypass capacitor to GND1."
      },
      {
        "number": "4",
        "name": "REFOUT1",
        "type": "output",
        "description": "Primary-side precision reference output 1.225 V ±1% over −40°C to +125°C temperature range, maximum load capacitance 15 pF."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection pin; must be connected to GND1 to prevent floating node."
      },
      {
        "number": "6",
        "name": "EAOUT2",
        "type": "tri_state",
        "description": "Open-drain isolated output voltage 2 with 2.6 V/V gain, delivers ±1 mA maximum current, requires external pull-up resistor to VDD1."
      },
      {
        "number": "7",
        "name": "EAOUT",
        "type": "output",
        "description": "Isolated error amplifier output delivering ±3 mA with voltage swing from 0.4 V to 2.7 V."
      },
      {
        "number": "8",
        "name": "GND1",
        "type": "power_in",
        "description": "Primary-side ground reference."
      },
      {
        "number": "9",
        "name": "GND2",
        "type": "power_in",
        "description": "Secondary-side ground reference."
      },
      {
        "number": "10",
        "name": "COMP",
        "type": "output",
        "description": "Primary-side operational amplifier output driving feedback control through isolation barrier, connection point for external compensation network."
      },
      {
        "number": "11",
        "name": "−IN",
        "type": "input",
        "description": "Inverting input of primary-side op-amp, connection point for power supply output voltage divider and external compensation network."
      },
      {
        "number": "12",
        "name": "+IN",
        "type": "input",
        "description": "Noninverting input of primary-side op-amp, typically connected to 1.225 V internal reference or external signal input."
      },
      {
        "number": "13",
        "name": "REFOUT",
        "type": "output",
        "description": "Secondary-side precision reference output 1.225 V ±1% over −40°C to +125°C temperature range, maximum load capacitance 15 pF."
      },
      {
        "number": "14",
        "name": "VREG2",
        "type": "power_out",
        "description": "Secondary-side internal regulated supply output approximately 3.0 V, requires 1 μF bypass capacitor to GND2."
      },
      {
        "number": "15",
        "name": "GND2",
        "type": "power_in",
        "description": "Secondary-side ground reference."
      },
      {
        "number": "16",
        "name": "VDD2",
        "type": "power_in",
        "description": "Secondary-side main supply voltage input, operating range 3.0 V to 20 V, requires 1 μF bypass capacitor to GND2."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 18,
        "cost_usd": 0.1727,
        "at": "2026-09-17T17:16:47"
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      "pins": {
        "total": 16,
        "described": 16,
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  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "QSOP-16-150mil",
      "Category": "Signal Isolation Devices",
      "Pins": "16"
    }
  },
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  "discovery_pitch": "ADUM3190ARQZ-RL7 (Analog Devices) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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  "updated_at": "2026-09-24T16:04:21.697Z"
}