A1233LLTR-T

{
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  "type": "component",
  "slug": "a1233lltr-t",
  "title": "A1233LLTR-T",
  "brief": "Allegro MicroSystems, LLC Magnetic Sensors, SOIC-8. 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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    "sensors",
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  "component": {
    "mpn": "A1233LLTR-T",
    "manufacturer": "Allegro MicroSystems, LLC",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Sensors",
    "subcategory": "Magnetic Sensors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/801c9c044887680fca76b546d66747c4.pdf",
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      "lbr": "a1233lltr-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C459238",
      "digikey": "620-1486-2-ND",
      "mouser": "250-A1233LLTR-T"
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      "source": "Component Ocean /api/assign-pns",
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        "lifecycle": "Active"
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    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Input power supply (3.5 to 24 V operating); tie to GND with a bypass capacitor (0.1 µF recommended)."
      },
      {
        "number": "2",
        "name": "DIR",
        "type": "output",
        "description": "Open-drain output signal indicating direction of target movement; off (high) for E1 to E2 motion and on (low) for E2 to E1, with 30 to 70 mA current limit."
      },
      {
        "number": "3",
        "name": "OUTA",
        "type": "output",
        "description": "Output from Hall element E1 via a Schmitt circuit, with 30 to 70 mA output current limit."
      },
      {
        "number": "4",
        "name": "SPD",
        "type": "output",
        "description": "Output signal indicating speed of target movement, the XOR of the two Hall element outputs, with 30 to 70 mA current limit."
      },
      {
        "number": "5",
        "name": "OUTB",
        "type": "output",
        "description": "Output from Hall element E2 via a Schmitt circuit, with 30 to 70 mA output current limit."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      }
    ],
    "provenance": {
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        "at": "2026-10-23T12:40:11"
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        "described": 8,
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  "metadata": {
    "specs": {
      "Manufacturer": "Allegro MicroSystems, LLC",
      "Package": "SOIC-8",
      "Category": "Sensors",
      "Pins": "8"
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    "appearance": {
      "contacts": {
        "quote": "surface-mount package. Both packages are lead (Pb) free, with 100% matte-tin leadframe plating.",
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        "plating": "tin"
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          "max": 24,
          "conditions": "Operating, TA ≤ 150°C",
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          "symbol": "IOUTPUT(OFF)",
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          "unit": "μA",
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          "min": 2.5,
          "typ": 4.5,
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          "name": "Speed Output Delay",
          "symbol": "ΔtDIRSPD",
          "kind": "timing",
          "unit": "µs",
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          "typ": 2,
          "max": 5,
          "conditions": "Delay between direction output changing and speed output transition, VCC = 5 V, CLOAD = 12 pF, RLOAD = 820 Ω, RLOAD connected to 5 V",
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          "name": "Supply Zener Voltage",
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          "conditions": "VS = 28 V",
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          "name": "Reverse-Battery Current",
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          "name": "Undervoltage Lockout",
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          "conditions": "",
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          "min": -35,
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        {
          "name": "Release Point (Channel A and B)",
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        {
          "name": "Operate Symmetry",
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          "name": "Chopping Frequency",
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          "name": "Output Rise Time",
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          "kind": "timing",
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          "min": null,
          "typ": 0.3,
          "max": null,
          "conditions": "CLOAD = 20 pF, RLOAD = 820 Ω",
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          "name": "Output Fall Time",
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          "name": "Power-On Time",
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          "name": "Power-Off Time",
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          "name": "Supply Voltage (absolute maximum)",
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          "typ": null,
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        {
          "name": "Reverse Battery Voltage",
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          "unit": "V",
          "min": -18,
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        {
          "name": "Output Off Voltage",
          "symbol": "VOUTPUT",
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          "min": null,
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          "conditions": "Rating printed as VCC",
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          "name": "Reverse Output Voltage",
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          "kind": "absolute_maximum",
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          "min": -0.5,
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        {
          "name": "Reverse Output Current",
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          "unit": "mA",
          "min": -10,
          "typ": null,
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        {
          "name": "Output Sink Current",
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          "unit": "mA",
          "min": null,
          "typ": null,
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          "name": "Operating Ambient Temperature",
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          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "Range L",
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        {
          "name": "Maximum Junction Temperature",
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          "min": null,
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          "name": "Storage Temperature",
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          "min": -65,
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        {
          "name": "Package Thermal Resistance",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "Package L, single-sided PCB with copper limited to solder pads",
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          "name": "Package Thermal Resistance",
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          "min": null,
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