ADG419 SPDT Analog Switch

{
  "schema_version": 1,
  "type": "component",
  "slug": "adg419",
  "title": "ADG419 SPDT Analog Switch",
  "brief": "Single-pole double-throw (SPDT) analog switch with low on-resistance, single or dual supply.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "analog-switch",
    "spdt",
    "mux",
    "low-rds",
    "adi",
    "soic-8"
  ],
  "component": {
    "mpn": "ADG419",
    "manufacturer": "Analog Devices",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Analog",
    "subcategory": "Analog Switch",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADG419.pdf",
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "D",
        "type": "bidirectional",
        "description": "Drain terminal of the SPDT switch. May be used as an input or an output; carries analog signals in the range VSS to VDD."
      },
      {
        "number": "2",
        "name": "S1",
        "type": "bidirectional",
        "description": "Source terminal 1 of the SPDT switch. May be an input or an output; connected to D when the switch is ON (logic 0 selects S1)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V) reference for the device."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "Most positive power supply potential. Typical +15 V (dual supply) or +12 V (single supply); 44 V max VDD-to-VSS."
      },
      {
        "number": "5",
        "name": "VL",
        "type": "power_in",
        "description": "Logic power supply, nominally +5 V (±10%). Sets the reference rail for the digital input threshold (VINH ≥ 2.4 V, VINL ≤ 0.8 V)."
      },
      {
        "number": "6",
        "name": "IN",
        "type": "input",
        "description": "Logic control input. Logic 0 turns Switch 1 (S1↔D) ON and Switch 2 OFF; logic 1 turns Switch 2 (S2↔D) ON and Switch 1 OFF. CMOS/TTL compatible referenced to GND and VL."
      },
      {
        "number": "7",
        "name": "VSS",
        "type": "power_in",
        "description": "Most negative power supply potential in dual-supply applications (typ. −15 V). In single-supply applications this pin may be connected to GND."
      },
      {
        "number": "8",
        "name": "S2",
        "type": "bidirectional",
        "description": "Source terminal 2 of the SPDT switch. May be an input or an output; connected to D when the switch is ON (logic 1 selects S2)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADG419.pdf",
        "pages": 16,
        "sha256": "99f7f2e00c10da77",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
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        "checked": "2026-10-07",
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  },
  "metadata": {
    "specs": {
      "Type": "SPDT analog switch",
      "On-resistance": "25 ohm typ",
      "Switching time": "<175 ns",
      "Control": "Single logic input (TTL/CMOS)",
      "Supply voltage": "Single 12 V or dual +-5 V",
      "Charge injection": "Low",
      "Operating temperature": "-40 C to 85 C"
    }
  },
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  "discovery_triggers": [
    "analog switch",
    "SPDT switch",
    "signal routing",
    "2-to-1 analog mux"
  ],
  "discovery_pitch": "A low-on-resistance SPDT analog switch to route one of two analog signals under logic control.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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