DIO2133CT14

{
  "schema_version": 1,
  "type": "component",
  "slug": "dio2133ct14",
  "title": "DIO2133CT14",
  "brief": "DIOO Audio Power OpAmps, TSSOP-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "dio2133ct14"
  ],
  "component": {
    "mpn": "DIO2133CT14",
    "manufacturer": "DIOO",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Op-amp/Cmp",
    "subcategory": "Audio Power OpAmps",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/56e1f8ee6f4a53518a80c727a79b2a4f.pdf",
    "parts": {
      "symbol": "dio2133ct14.kicad_sym",
      "footprint": "dio2133ct14.kicad_mod",
      "model_3d": "dio2133ct14-etched.glb",
      "model_3d_plain": "dio2133ct14.glb",
      "model_3d_step": "dio2133ct14-etched.step",
      "model_3d_step_plain": "dio2133ct14.step",
      "lbr": "dio2133ct14.lbr"
    },
    "distributor_links": {
      "lcsc": "C324574"
    },
    "pins": [
      {
        "number": "1",
        "name": "+INR",
        "type": "input",
        "description": "Right-channel positive (non-inverting) differential audio input. AC-coupled through CIN to source; gain set by external RIN and Rfb."
      },
      {
        "number": "2",
        "name": "-INR",
        "type": "input",
        "description": "Right-channel negative (inverting) differential audio input. Feedback resistor Rfb connects between this pin and OUTR to set closed-loop gain (±1V/V to ±10V/V)."
      },
      {
        "number": "3",
        "name": "OUTR",
        "type": "output",
        "description": "Right-channel audio output. Drives 600Ω load direct-coupled (no DC-blocking cap required) up to 3Vrms with 5V supply; HBM ESD-protected to 8kV."
      },
      {
        "number": "4",
        "name": "SGND",
        "type": "power_in",
        "description": "Signal (analog) ground reference for the audio input stages. Tie to system analog ground plane; keep isolated from PGND return currents."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Chip enable, active-high (VIH ≥ 1.2V at VDD=5V, ≥1.1V at 3.3V; VIL ≤ 0.4V/0.3V). Driving EN low places the device in shutdown with ~90dB input-to-output attenuation and ≤1mA IDD."
      },
      {
        "number": "6",
        "name": "PVSS",
        "type": "power_out",
        "description": "Negative supply rail generated by the internal charge pump. Bypass to ground with a 1µF CPVSS reservoir capacitor; provides the negative rail that eliminates the need for output DC-blocking capacitors."
      },
      {
        "number": "7",
        "name": "CN",
        "type": "bidirectional",
        "description": "Charge-pump flying capacitor negative terminal. Connect a 1µF CPUMP capacitor between CP (pin 8) and CN; switching frequency ≈310kHz."
      },
      {
        "number": "8",
        "name": "CP",
        "type": "bidirectional",
        "description": "Charge-pump flying capacitor positive terminal. Connect a 1µF CPUMP capacitor between CP and CN (pin 7)."
      },
      {
        "number": "9",
        "name": "PVDD",
        "type": "power_in",
        "description": "Positive supply input, 3.0V to 5.5V (absolute max 7.5V). Powers the driver and charge pump; bypass locally to PGND. IDD ≈ 11mA at 3.3V, 12mA at 5V (no load)."
      },
      {
        "number": "10",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground return for PVDD and the charge-pump output stage. Route as low-impedance path to the supply bypass; separate from SGND at a single star point."
      },
      {
        "number": "11",
        "name": "UVP",
        "type": "input",
        "description": "External under-voltage detection input; typical threshold VUVP = 1.11V (1.08V min, 1.14V max) with 5µA hysteresis current. Drive from a resistor divider off the monitored rail; when the divided voltage falls below VUVP the outputs are muted for pop-free shutdown."
      },
      {
        "number": "12",
        "name": "OUTL",
        "type": "output",
        "description": "Left-channel audio output. Drives 600Ω load direct-coupled (no DC-blocking cap required) up to 3Vrms with 5V supply; HBM ESD-protected to 8kV."
      },
      {
        "number": "13",
        "name": "-INL",
        "type": "input",
        "description": "Left-channel negative (inverting) differential audio input. Feedback resistor Rfb connects between this pin and OUTL to set closed-loop gain (±1V/V to ±10V/V)."
      },
      {
        "number": "14",
        "name": "+INL",
        "type": "input",
        "description": "Left-channel positive (non-inverting) differential audio input. AC-coupled through CIN to source; gain set by external RIN and Rfb."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/56e1f8ee6f4a53518a80c727a79b2a4f.pdf",
        "pages": 14,
        "sha256": "f9f0b81bf6b10241",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.8625,
        -1.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TSSOP-14_4.4x5mm_P0.65mm@sha256:e4bf82cea6d3b325",
      "mark": "drawn"
    },
    "models_3d": [
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        "seat": "z = 0",
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "checked": "2026-10-07",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "DIOO",
      "Package": "TSSOP-14",
      "Category": "Op-amp/Cmp",
      "Pins": "14"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f9f0b81bf6b10241",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7.5,
          "conditions": "",
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        },
        {
          "name": "Minimum load impedance",
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          "unit": "Ω",
          "min": 600,
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        {
          "name": "EN to GND",
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        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
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          "unit": "°C",
          "min": -65,
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        {
          "name": "Junction Temperature",
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          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "HBM ESD, Output Pins",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
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          "source_page": 3,
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        {
          "name": "Supply Voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
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          "typ": 5,
          "max": 5.5,
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        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TA",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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        },
        {
          "name": "Output Offset Voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -3.3,
          "typ": 0,
          "max": 3.3,
          "conditions": "VDD=3-5V, Input grounded, unity gain",
          "source_page": 4,
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        },
        {
          "name": "External under-voltage detection",
          "symbol": "VUVP",
          "kind": "electrical",
          "unit": "V",
          "min": 1.08,
          "typ": 1.11,
          "max": 1.14,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient",
          "symbol": "ӨJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 115,
          "max": null,
          "conditions": "TSSOP-14",
          "source_page": 3,
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        },
        {
          "name": "EN High level Input Voltage",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": null,
          "conditions": "VDD=5V",
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        {
          "name": "EN High level Input Voltage",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": 1.1,
          "max": null,
          "conditions": "VDD=3.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Low level Input Voltage",
          "symbol": "VIL",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "VDD=5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN Low level Input Voltage",
          "symbol": "VIL",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": 0.3,
          "max": null,
          "conditions": "VDD=3.3V",
          "source_page": 3,
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        },
        {
          "name": "VDD Over Voltage Protection",
          "symbol": "OVP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 5.7,
          "max": null,
          "conditions": "VDD>5.5V, then IC shut down",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "High level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 4.9,
          "max": null,
          "conditions": "VDD=5V,RL=2.5kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 3.2,
          "max": null,
          "conditions": "VDD=3.3V,RL=2.5kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": -4.8,
          "max": null,
          "conditions": "VDD=5V,RL=2.5kΩ",
          "source_page": 4,
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        },
        {
          "name": "Low level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": -3.1,
          "max": null,
          "conditions": "VDD=3.3V,RL=2.5kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN high level input current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VDD=5V,VI=VDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN low level input current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VDD=5V,VI=0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 11,
          "max": null,
          "conditions": "VDD=3.3V, VI=VDD, No load",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "VDD=5V, VI=VDD, No load",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply current, shut down mode",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "Shut down mode, VDD=3-5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "VRMS",
          "min": null,
          "typ": 2.05,
          "max": null,
          "conditions": "THD=1%, VDD=3.3V, f=1kHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Total harmonic distortion + noise",
          "symbol": "THD+N",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.001,
          "max": null,
          "conditions": "VO=2VRMS, f=1kHz, RL=600Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Channel crosstalk",
          "symbol": "XTALK",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 95,
          "max": null,
          "conditions": "VO=2VRMS, f=1kHz",
          "source_page": 4,
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        },
        {
          "name": "Maximum output current",
          "symbol": "IO",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "VDD=3.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Signal noise ratio",
          "symbol": "SNR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 112,
          "max": null,
          "conditions": "VO=2VRMS, BW=22kHz, A-weighted",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Slew rate",
          "symbol": "SR",
          "kind": "electrical",
          "unit": "V/µs",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Noise output voltage",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "µVRMS",
          "min": null,
          "typ": 4.5,
          "max": null,
          "conditions": "BW=20Hz to 22kHz,VDD=3.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Unity gain bandwidth",
          "symbol": "GBW",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 7,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Open loop voltage gain",
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          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "External under-voltage detection hysteresis current",
          "symbol": "IHys",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Charge pump frequency",
          "symbol": "fCP",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 310,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input-to-output attenuation in shutdown",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "EN=0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "VRMS",
          "min": null,
          "typ": 3.01,
          "max": null,
          "conditions": "THD=1%, VDD=5V, f=1kHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "VRMS",
          "min": null,
          "typ": 3.1,
          "max": null,
          "conditions": "THD=1%, VDD=5V, f=1kHz, RL=100kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Total harmonic distortion + noise",
          "symbol": "THD+N",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.001,
          "max": null,
          "conditions": "VO=3VRMS, f=1kHz, RL=600Ω",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Channel crosstalk",
          "symbol": "XTALK",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 95,
          "max": null,
          "conditions": "VO=3VRMS, f=1kHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current",
          "symbol": "IO",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "VDD=5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Signal noise ratio",
          "symbol": "SNR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 112,
          "max": null,
          "conditions": "VO=3VRMS, BW=22kHz, A-weighted",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Slew rate",
          "symbol": "SR",
          "kind": "electrical",
          "unit": "V/µs",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Noise output voltage",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "µVRMS",
          "min": null,
          "typ": 5.1,
          "max": null,
          "conditions": "BW=20Hz to 22kHz,VDD=5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Unity gain bandwidth",
          "symbol": "GBW",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 7,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Open loop voltage gain",
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          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "External under-voltage detection hysteresis current",
          "symbol": "IHys",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Charge pump frequency",
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          "unit": "kHz",
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