main
Ray Set visibility: public 86b1f61 11d ago
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  "title": "SSM2167-1RMZ-R7",
  "brief": "Analog Devices Audio Amplifiers, MSOP-10. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "SSM2167-1RMZ-R7",
    "manufacturer": "Analog Devices",
    "package": "MSOP-10",
    "pin_count": 10,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588885052701097984",
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "quota"
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      "mouser": {
        "pn": null,
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        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device, to be connected to the system analog ground in a single-point (star) ground layout."
      },
      {
        "number": "2",
        "name": "VCAIN",
        "type": "input",
        "description": "Input to the VCA, which must be AC-coupled from BUFOUT (pin 4) through a blocking capacitor C2, typically 4.7 µF to 10 µF, because the 1 kΩ input impedance sets the lower −3 dB cutoff."
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      {
        "number": "3",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "Active-low, CMOS-compatible power-down input; applying 0 V reduces supply current to under 10 µA and places the input and output circuitry in a high-impedance state."
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      {
        "number": "4",
        "name": "BUFOUT",
        "type": "output",
        "description": "Output of the unity-gain input buffer, which drives the VCA input (VCAIN, pin 2) through an external blocking capacitor."
      },
      {
        "number": "5",
        "name": "INPUT",
        "type": "input",
        "description": "Microphone signal input to the input buffer, presenting approximately 100 kΩ to the source and carrying an internal DC bias of about 400 mV, so a blocking capacitor (0.1 µF is a good choice) is required for ground-referenced sources."
      },
      {
        "number": "6",
        "name": "AVG CAP",
        "type": "passive",
        "description": "Connection for the external level-detector averaging capacitor CAVG, which should be 2.2 µF for low-frequency operation to 10 Hz and electrolytic in the range of 2 µF to 22 µF."
      },
      {
        "number": "7",
        "name": "GATE THRS",
        "type": "passive",
        "description": "Connection for the noise-gate threshold resistor RGATE, which is connected to VDD and sets the downward expansion threshold from −40 dBV (0 Ω) to −55 dBV (5 kΩ); values above 5 kΩ are not recommended."
      },
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        "number": "8",
        "name": "COMPRESSION RATIO",
        "type": "passive",
        "description": "Connection for the compression-ratio resistor RCOMP, which is connected to VDD and sets the ratio from 1:1 (0 Ω short) to 10:1 (175 kΩ); resistor values should be greater than 5 kΩ because lower values may be interpreted as a short."
      },
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        "number": "9",
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        "description": "VCA output with a typical output impedance below 145 Ω, which requires an external load greater than 5 kΩ and a blocking capacitor for grounded loads because the nominal DC output is about 1.4 V."
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      "Package": "MSOP-10",
      "Category": "Amplifiers/Comparators",
      "Pins": "10"
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    "appearance": {
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