ADM3222ARSZ-REEL7

{
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  "type": "component",
  "slug": "adm3222arsz-reel7",
  "title": "ADM3222ARSZ-REEL7",
  "brief": "Analog Devices RS232 ICs, SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "interface ics",
    "adm3222arsz-reel7",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "ADM3222ARSZ-REEL7",
    "manufacturer": "Analog Devices",
    "package": "SSOP-20-208mil",
    "pin_count": 20,
    "category": "Interface ICs",
    "subcategory": "RS232 ICs",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/ADM3202_3222_1385.pdf",
    "parts": {
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      "lbr": "adm3222arsz-reel7.lbr"
    },
    "distributor_links": {
      "lcsc": "C208197",
      "digikey": "ADM3222ARSZ-REEL7TR-ND",
      "mouser": "584-ADM3222ARSZ-R7"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T03:46:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ADM3222ARSZ-REEL7TR-ND",
        "status": "found"
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      "mouser": {
        "pn": "584-ADM3222ARSZ-R7",
        "status": "found",
        "lifecycle": "Restricted Availability"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Active-low receiver enable: when low the receiver outputs are enabled, when high they are three-stated."
      },
      {
        "number": "2",
        "name": "C1+",
        "type": "passive",
        "description": "External capacitor 1 connects between C1+ and C1-; 0.1 µF recommended, larger up to 47 µF can be used."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_out",
        "description": "Internally generated positive supply (+6 V nominal) from the charge pump."
      },
      {
        "number": "4",
        "name": "C1-",
        "type": "passive",
        "description": "External capacitor 1 connects between C1+ and C1-; 0.1 µF recommended, larger up to 47 µF can be used."
      },
      {
        "number": "5",
        "name": "C2+",
        "type": "passive",
        "description": "External capacitor 2 connects between C2+ and C2-; 0.1 µF recommended, larger up to 47 µF can be used."
      },
      {
        "number": "6",
        "name": "C2-",
        "type": "passive",
        "description": "External capacitor 2 connects between C2+ and C2-; 0.1 µF recommended, larger up to 47 µF can be used."
      },
      {
        "number": "7",
        "name": "V-",
        "type": "power_out",
        "description": "Internally generated negative supply (-6 V nominal) from the charge pump."
      },
      {
        "number": "8",
        "name": "T2OUT",
        "type": "output",
        "description": "Transmitter 2 (driver) output at RS-232 signal levels (typically ±9 V)."
      },
      {
        "number": "9",
        "name": "R2IN",
        "type": "input",
        "description": "Receiver 2 input accepting RS-232 levels, with an internal 5 kΩ pull-down resistor to GND."
      },
      {
        "number": "10",
        "name": "R2OUT",
        "type": "tri_state",
        "description": "Receiver 2 output at CMOS logic levels, three-stated when EN is high."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "12",
        "name": "T2IN",
        "type": "input",
        "description": "Transmitter 2 (driver) input accepting TTL/CMOS levels."
      },
      {
        "number": "13",
        "name": "T1IN",
        "type": "input",
        "description": "Transmitter 1 (driver) input accepting TTL/CMOS levels."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "15",
        "name": "R1OUT",
        "type": "tri_state",
        "description": "Receiver 1 output at CMOS logic levels, three-stated when EN is high."
      },
      {
        "number": "16",
        "name": "R1IN",
        "type": "input",
        "description": "Receiver 1 input accepting RS-232 levels, with an internal 5 kΩ pull-down resistor to GND."
      },
      {
        "number": "17",
        "name": "T1OUT",
        "type": "output",
        "description": "Transmitter 1 (driver) output at RS-232 signal levels (typically ±9 V)."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, must be connected to 0 V."
      },
      {
        "number": "19",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input, 3.3 V ± 0.3 V."
      },
      {
        "number": "20",
        "name": "SD",
        "type": "input",
        "description": "Active-low shutdown control: when low the charge pump is shut down and the transmitter outputs are disabled."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Figure 6 (RS/RU pin configuration) has a scrambled text layer. Pin numbers were assigned by mapping ; The datasheet lists the ADM3222ARSZ-REEL7 as a 20-Lead SSOP (RS-20) in the ordering guide, so the RS; Figure 6 and Table 3 give no explicit pin-type classification for R1OUT/R2OUT (three-stated by EN) o"
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        "at": "2026-10-29T03:46:03"
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      "datasheet": {
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        "pages": 16,
        "sha256": "cd33ca7a96faf2c0",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 20,
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      "Manufacturer": "Analog Devices",
      "Package": "SSOP-20-208mil",
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          "name": "Receiver input voltage RIN (absolute maximum)",
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        {
          "name": "Power dissipation (absolute maximum)",
          "symbol": "",
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          "unit": "mW",
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          "conditions": "Derates 6 mW/°C above 50°C",
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          "name": "Storage temperature range",
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          "name": "CMOS output voltage low",
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          "name": "Logic pull-up current",
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          "name": "EIA-232 input threshold low",
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          "name": "EIA-232 input resistance",
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          "max": null,
          "conditions": "VCC = 0 V, VOUT = ±2 V",
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          "name": "RS-232 output short-circuit current",
          "symbol": "",
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          "name": "Transmitter output leakage current",
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          "unit": "μA",
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          "name": "Maximum data rate",
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          "kind": "electrical",
          "unit": "kbps",
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          "conditions": "VCC = 3.3 V, RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF, one Tx switching",
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          "name": "Receiver propagation delay TPHL",
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          "name": "Receiver propagation delay TPLH",
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          "name": "Transmitter propagation delay",
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          "name": "Receiver output enable time",
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          "unit": "°C/W",
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          "typ": 83,
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