TEA1110AG-S14-R

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  "title": "TEA1110AG-S14-R",
  "brief": "UTC(Unisonic Tech) Telecommunication Interface ICs, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "mpn": "TEA1110AG-S14-R",
    "manufacturer": "UTC(Unisonic Tech)",
    "package": "SOP-14",
    "pin_count": 14,
    "category": "Interface ICs",
    "subcategory": "Telecommunication Interface ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/19990cb44db64895b79bd4d7273d7e93.pdf",
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    "distributor_links": {
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        "status": "quota"
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    "pins": [
      {
        "number": "1",
        "name": "LN",
        "type": "passive",
        "description": "Positive line terminal; DC line voltage is 3.65V typ at ILINE=15mA, absolute max continuous VEE-0.4 to 12V."
      },
      {
        "number": "2",
        "name": "SLPE",
        "type": "passive",
        "description": "Slope (DC resistance) adjustment pin where an external RSLPE (20Ω recommended) sets the DC characteristics."
      },
      {
        "number": "3",
        "name": "REG",
        "type": "passive",
        "description": "Line voltage regulator decoupling pin with CREG (4.7µF) to VEE; an RVA resistor to SLPE or LN adjusts VREF from 3.35V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "5",
        "name": "DTMF",
        "type": "input",
        "description": "Dual-tone multi-frequency input, asymmetrical with 20kΩ impedance to VEE, active when MUTE is low and unaffected by AGC."
      },
      {
        "number": "6",
        "name": "MUTE",
        "type": "input",
        "description": "Active-low mute input selecting speech or dialling mode, with internal pull-up resistor; low level VEE-0.4 to VEE+0.3V, high level VEE+1.5V to VCC+0.4V."
      },
      {
        "number": "7",
        "name": "IR",
        "type": "input",
        "description": "Receiving amplifier input with 20kΩ input impedance to VEE."
      },
      {
        "number": "8",
        "name": "AGC",
        "type": "input",
        "description": "Automatic gain control/line loss compensation pin; RAGC to VEE shifts ISTART and ISTOP, and AGC is inactive when open-circuit."
      },
      {
        "number": "9",
        "name": "MIC-",
        "type": "input",
        "description": "Inverting microphone amplifier input, with 64kΩ differential impedance between MIC+ and MIC-."
      },
      {
        "number": "10",
        "name": "MIC+",
        "type": "input",
        "description": "Non-inverting microphone amplifier input, with 64kΩ differential impedance between MIC+ and MIC-."
      },
      {
        "number": "11",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative line terminal (ground reference, 0V)."
      },
      {
        "number": "12",
        "name": "QR",
        "type": "output",
        "description": "Earpiece amplifier output, with 33dB typical gain from IR."
      },
      {
        "number": "13",
        "name": "GAR",
        "type": "passive",
        "description": "Earpiece amplifier gain adjustment pin; an external resistor to QR reduces gain by up to 14dB."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_out",
        "description": "Supply voltage for internal circuit and peripheral circuits, typically 2.9V at IP=0mA, decoupled by CVCC (100µF)."
      }
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  "metadata": {
    "specs": {
      "Manufacturer": "UTC(Unisonic Tech)",
      "Package": "SOP-14",
      "Category": "Interface ICs",
      "Pins": "14"
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          "name": "Equivalent supply voltage resistance",
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        {
          "name": "Common mode rejection ratio",
          "symbol": "CMRR",
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          "min": null,
          "typ": 80,
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          "name": "Maximum sending signal (RMS)",
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          "min": 1.4,
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        {
          "name": "Maximum sending signal (RMS)",
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        {
          "name": "Noise output voltage at pin LN",
          "symbol": "VNOTX",
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          "conditions": "MIC+/MIC- shorted through 200Ω",
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          "name": "Voltage gain IR to QR",
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          "name": "Gain voltage reduction range",
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          "typ": 14,
          "max": null,
          "conditions": "external resistor connected between GAR and QR",
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          "name": "Maximum receiving signal (RMS)",
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          "typ": 0.25,
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          "conditions": "IP=0mA sine wave drive RL=50Ω, THD=2%",
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          "name": "Voltage gain DTMF to QR (confidence tone)",
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          "name": "MUTE input current",
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          "name": "Gain reduction for microphone and receiving amplifiers",
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