MDZ12-2

{
  "schema_version": 1,
  "type": "component",
  "slug": "mdz12-2",
  "title": "MDZ12-2",
  "brief": "Shanghai Mingda Microelectronics Audio Interface ICs, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "mdz12-2"
  ],
  "component": {
    "mpn": "MDZ12-2",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "Audio Interface ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589839290693165056",
    "parts": {
      "symbol": "mdz12-2.kicad_sym",
      "footprint": "mdz12-2.kicad_mod",
      "model_3d": "mdz12-2-etched.glb",
      "model_3d_plain": "mdz12-2.glb",
      "model_3d_step": "mdz12-2-etched.step",
      "model_3d_step_plain": "mdz12-2.step",
      "lbr": "mdz12-2.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Drive signal output. Push-pull output for driving an external NPN transistor stage and buzzer. VoH >= 3.2 V at Io = 5 mA, VoL <= 0.4 V at Io = -5 mA (VDD = 3.6 V)."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply. Operating range 1.5 V to 7 V (typical 3.6 V). A low-ESR ceramic decoupling capacitor between VDD and GND is required, and no series resistor should be placed between VDD and the supply."
      },
      {
        "number": "3",
        "name": "F1",
        "type": "input",
        "description": "Function-select input 1. Tie to VDD, to GND, or leave floating (high-Z) to choose the sound effect. F1 = VDD -> fire alarm; F1 = GND -> ambulance; F1 floating -> police car. Sink current typ. 40 uA when F1 = VDD."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. Leave floating (悬空不接)."
      },
      {
        "number": "5",
        "name": "OSC0",
        "type": "passive",
        "description": "Internal oscillator pin 1. Connect the external oscillation resistor R (typical 270 kOhm) between OSC0 and OSC1 to set the output tone frequency. Larger R lowers the output frequency."
      },
      {
        "number": "6",
        "name": "OSC1",
        "type": "passive",
        "description": "Internal oscillator pin 2. Connect the external oscillation resistor R (typical 270 kOhm) between OSC0 and OSC1 to set the output tone frequency."
      },
      {
        "number": "7",
        "name": "F2",
        "type": "input",
        "description": "Function-select input 2. Tie to VDD, to GND, or leave floating. F2 = VDD forces machine-gun sound regardless of F1; F2 = GND or floating enables the F1-selected sound. Sink current typ. 14 uA when F2 = VDD."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (Vss). Return for VDD and the OUT driver."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589839290693165056",
        "pages": 7,
        "sha256": "effd3a8d7f3066cd",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mdz12-2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
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        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Mingda Microelectronics",
      "Package": "SOP-8",
      "Category": "Interface",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "MDZ12-2",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mdz12-2"
  ],
  "discovery_pitch": "MDZ12-2 (Shanghai Mingda Microelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
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    "mdz12-2.lbr",
    "docs/hero.png",
    "docs/mdz12-2-datasheet.pdf",
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  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T01:32:07.357Z"
}