SKY65111-348LF

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  "title": "SKY65111-348LF",
  "brief": "Skyworks Solutions RF Amplifiers, TQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "SKY65111-348LF",
    "manufacturer": "Skyworks Solutions",
    "package": "TQFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "RF And Wireless",
    "subcategory": "RF Amplifiers",
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    "distributor_links": {
      "lcsc": "C2654167",
      "digikey": "863-1071-2-ND",
      "mouser": "873-SKY65111-348LF"
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    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be connected to the PCB common ground plane with the lowest possible impedance."
      },
      {
        "number": "2",
        "name": "RF IN",
        "type": "input",
        "description": "RF input port, which the application circuit matches with a DC-blocking capacitor and a series capacitor (C25) placed as close to the pin as possible to achieve return loss better than -11 dB across 800-1100 MHz."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be connected to the PCB common ground plane with the lowest possible impedance."
      },
      {
        "number": "4",
        "name": "VCC1",
        "type": "power_in",
        "description": "DC supply input (collector bias) for the first gain stage, with a supply range of 2.5 V to 5 V (3.5 V nominal) and a 5.5 V absolute maximum for VCC and VREF."
      },
      {
        "number": "5",
        "name": "VAPC1",
        "type": "input",
        "description": "Analog power control voltage for gain stages 1 and 2, with a nominal range of 2.6 V to 2.8 V, 0 V forcing those stages into standby, and a 3.0 V absolute maximum."
      },
      {
        "number": "6",
        "name": "VAPC2",
        "type": "input",
        "description": "Analog power control voltage for gain stage 3, with a nominal range of 2.6 V to 2.8 V, 0 V placing that stage into standby, and a 3.0 V absolute maximum."
      },
      {
        "number": "7",
        "name": "VREF",
        "type": "power_in",
        "description": "Bias reference voltage for gain stages 2 and 3, to be operated over the same voltage range as VCC with a nominal value of 3.5 V."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be connected to the PCB common ground plane with the lowest possible impedance."
      },
      {
        "number": "9",
        "name": "RF OUT/VCC3",
        "type": "output",
        "description": "RF output and DC bias input (collector) for the third gain stage, fed through a transmission line and requiring the specified bypass and output matching capacitors; the datasheet does not state an electrical limit for this pin."
      },
      {
        "number": "10",
        "name": "RF OUT/VCC3",
        "type": "output",
        "description": "RF output and DC bias input (collector) for the third gain stage, fed through a transmission line and requiring the specified bypass and output matching capacitors; the datasheet does not state an electrical limit for this pin."
      },
      {
        "number": "11",
        "name": "RF OUT/VCC3",
        "type": "output",
        "description": "RF output and DC bias input (collector) for the third gain stage, fed through a transmission line and requiring the specified bypass and output matching capacitors; the datasheet does not state an electrical limit for this pin."
      },
      {
        "number": "12",
        "name": "RF OUT/VCC3",
        "type": "output",
        "description": "RF output and DC bias input (collector) for the third gain stage, fed through a transmission line and requiring the specified bypass and output matching capacitors; the datasheet does not state an electrical limit for this pin."
      },
      {
        "number": "13",
        "name": "OPEN",
        "type": "unconnected",
        "description": "No connection; leave this pin open and do not connect it to ground."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be connected to the PCB common ground plane with the lowest possible impedance."
      },
      {
        "number": "15",
        "name": "VCC2",
        "type": "power_in",
        "description": "DC supply input (collector bias) for the second gain stage, with the same supply range as VCC (2.5 V to 5 V, 3.5 V nominal)."
      },
      {
        "number": "16",
        "name": "VCC2",
        "type": "power_in",
        "description": "DC supply input (collector bias) for the second gain stage, with the same supply range as VCC (2.5 V to 5 V, 3.5 V nominal)."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
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        "primary_model": "claude-haiku-5-5",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The exposed thermal pad on the bottom of the TQFN package is referenced as the device ground paddle ; The datasheet does not print the package code; it calls the package a thermally enhanced ultrasmall ; These pins serve dual function as RF output and DC supply input (VCC3). Type 'output' was chosen bec",
          "exposed pad 17 added from the footprint"
        ],
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        "cost_usd": 0.0842,
        "at": "2026-10-19T06:48:57"
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  "metadata": {
    "specs": {
      "Manufacturer": "Skyworks Solutions",
      "Package": "TQFN-16-EP(3x3)",
      "Category": "RF And Wireless",
      "Pins": "17"
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        {
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