dg409ledy-t1-ge3

{
  "slug": "dg409ledy-t1-ge3",
  "version": "0.1.0",
  "type": "component",
  "description": "Vishay Analog Switches, Multiplexers, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "dg409ledy-t1-ge3"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dg409ledy-t1-ge3.kicad_sym",
    "dg409ledy-t1-ge3.kicad_mod",
    "dg409ledy-t1-ge3.glb",
    "dg409ledy-t1-ge3.step",
    "dg409ledy-t1-ge3.lbr",
    "docs/hero.png",
    "docs/dg409ledy-t1-ge3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dg409ledy-t1-ge3-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "author": {
    "name": "Ray"
  },
  "component": {
    "mpn": "DG409LEDY-T1-GE3",
    "manufacturer": "Vishay",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Analog Switches, Multiplexers",
    "parts": {
      "symbol": "dg409ledy-t1-ge3.kicad_sym",
      "footprint": "dg409ledy-t1-ge3.kicad_mod",
      "model_3d": "dg409ledy-t1-ge3-etched.glb",
      "model_3d_plain": "dg409ledy-t1-ge3.glb",
      "model_3d_step": "dg409ledy-t1-ge3-etched.step",
      "model_3d_step_plain": "dg409ledy-t1-ge3.step",
      "lbr": "dg409ledy-t1-ge3.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "TTL/CMOS-compatible binary address input, bit 0. Together with A1 selects which of the four differential channels (S1a/S1b through S4a/S4b) is routed to the Da/Db common drains. VINH = 2.4 V (min), VINL = 0.8 V (max) at V+ = 12 V."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "TTL/CMOS-compatible active-high enable input. EN = 1 enables the addressed switch; EN = 0 forces all channels off, allowing devices to be stacked. Input current ±1 µA max."
      },
      {
        "number": "3",
        "name": "V-",
        "type": "power_in",
        "description": "Negative analog supply rail. Ground for single-supply operation (3 V to 16 V), or negative rail for dual-supply operation (−3 V to −8 V). V+ to V- must not exceed 18 V."
      },
      {
        "number": "4",
        "name": "S1a",
        "type": "passive",
        "description": "Analog source input of bank-a channel 1. Bidirectional analog switch terminal; connects to Da when A1=0, A0=0, EN=1. Signal range 0 to V+ (single supply) or V- to V+ (dual supply). RDS(on) ≈ 17 Ω typ."
      },
      {
        "number": "5",
        "name": "S2a",
        "type": "passive",
        "description": "Analog source input of bank-a channel 2. Routed to Da when A1=0, A0=1, EN=1. Same analog range and on-resistance as other S pins."
      },
      {
        "number": "6",
        "name": "S3a",
        "type": "passive",
        "description": "Analog source input of bank-a channel 3. Routed to Da when A1=1, A0=0, EN=1."
      },
      {
        "number": "7",
        "name": "S4a",
        "type": "passive",
        "description": "Analog source input of bank-a channel 4. Routed to Da when A1=1, A0=1, EN=1."
      },
      {
        "number": "8",
        "name": "Da",
        "type": "passive",
        "description": "Common analog drain of bank a. Bidirectional; connects to one of S1a..S4a based on the (A1, A0) address when EN is high. Drain-on capacitance ≈ 23.5 pF typ."
      },
      {
        "number": "9",
        "name": "Db",
        "type": "passive",
        "description": "Common analog drain of bank b. Bidirectional; connects to one of S1b..S4b based on the same (A1, A0) address when EN is high. Paired with Da to form a differential common output."
      },
      {
        "number": "10",
        "name": "S4b",
        "type": "passive",
        "description": "Analog source input of bank-b channel 4. Routed to Db when A1=1, A0=1, EN=1. Paired with S4a to form differential channel 4."
      },
      {
        "number": "11",
        "name": "S3b",
        "type": "passive",
        "description": "Analog source input of bank-b channel 3. Routed to Db when A1=1, A0=0, EN=1. Paired with S3a."
      },
      {
        "number": "12",
        "name": "S2b",
        "type": "passive",
        "description": "Analog source input of bank-b channel 2. Routed to Db when A1=0, A0=1, EN=1. Paired with S2a."
      },
      {
        "number": "13",
        "name": "S1b",
        "type": "passive",
        "description": "Analog source input of bank-b channel 1. Routed to Db when A1=0, A0=0, EN=1. Paired with S1a."
      },
      {
        "number": "14",
        "name": "V+",
        "type": "power_in",
        "description": "Positive analog supply rail. 3 V to 16 V for single-supply operation, or +3 V to +8 V for dual-supply operation. Powers the internal voltage regulator and logic. Quiescent current ≈ 3.5 µA (typ), 6 µA max."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground reference for the logic inputs (A0, A1, EN). GND to V- must be ≥ -18 V (i.e., V- may be up to 18 V below GND)."
      },
      {
        "number": "16",
        "name": "A1",
        "type": "input",
        "description": "TTL/CMOS-compatible binary address input, bit 1. Together with A0 selects which of the four differential channels is on when EN = 1."
      }
    ],
    "provenance": {
      "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "distributor_links": {
      "lcsc": "C146284",
      "digikey": "DG409LEDY-T1-GE3TR-ND",
      "mouser": "78-DG409LEDY-T1-GE3"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T18:56:18Z",
      "source": "Component Ocean /api/assign-pns + lcsc_map",
      "digikey": {
        "pn": "DG409LEDY-T1-GE3TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "78-DG409LEDY-T1-GE3",
        "status": "found"
      }
    },
    "models_3d": [
      {
        "file": "dg409ledy-t1-ge3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dg409ledy-t1-ge3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c87666000532e37243cd2ffb9cbd3fae4f56b11b3bf3f3d1e536c85e605df1c1",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}