LMH0341SQE

{
  "slug": "lmh0341sqe",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Interface - Specialized, WQFN-48-EP(7x7). Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "lmh0341sqe",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "path": "docs/hero.png"
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    "lmh0341sqe.glb",
    "lmh0341sqe.step",
    "lmh0341sqe.lbr",
    "docs/hero.png",
    "docs/lmh0341sqe-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "lmh0341sqe-hero.overlay.json",
    "lmh0341sqe-etched.glb"
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  "component": {
    "mpn": "LMH0341SQE",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-48-EP(7x7)",
    "pin_count": 49,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Interface - Specialized",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lmh0341",
    "parts": {
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      "footprint": "lmh0341sqe.kicad_mod",
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      "lbr": "lmh0341sqe.lbr"
    },
    "distributor_links": {
      "lcsc": "C2652897"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T16:45:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD3V3",
        "type": "power_in",
        "description": "3.3V Power Supply connection"
      },
      {
        "number": "2",
        "name": "Loopthru_EN",
        "type": "input",
        "description": "Loopthrough enable Input, H=Reclocked Loopthrough active, L=Reclocked Loopthrough disabled"
      },
      {
        "number": "3",
        "name": "GPIO_0",
        "type": "bidirectional",
        "description": "General Purpose Input/Output pin 0, software configurable I/O pin"
      },
      {
        "number": "4",
        "name": "GPIO_1",
        "type": "bidirectional",
        "description": "General Purpose Input/Output pin 1, software configurable I/O pin"
      },
      {
        "number": "5",
        "name": "RSVD_H",
        "type": "input",
        "description": "Configuration Input, must tie High via 5 kΩ resistor to VDD3V3"
      },
      {
        "number": "6",
        "name": "VDD2V5",
        "type": "power_in",
        "description": "2.5V Power Supply connection"
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection"
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection"
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection"
      },
      {
        "number": "10",
        "name": "GPIO_2",
        "type": "bidirectional",
        "description": "General Purpose Input/Output pin 2, software configurable I/O pin"
      },
      {
        "number": "11",
        "name": "RX_MUX_SEL",
        "type": "input",
        "description": "Input multiplexer select, H=RXIN1 selected, L=RXIN0 selected"
      },
      {
        "number": "12",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do Not Connect, leave open"
      },
      {
        "number": "13",
        "name": "RSET",
        "type": "input",
        "description": "Serial Loopthrough Output Amplitude Control, resistor connected from this pin to ground to set the signal amplitude, nominally 7.87kΩ for 800mV output (SMPTE)"
      },
      {
        "number": "14",
        "name": "VDD3V3",
        "type": "power_in",
        "description": "3.3V Power Supply connection"
      },
      {
        "number": "15",
        "name": "RXIN0+",
        "type": "input",
        "description": "Serial differential input Pin, Channel 0, positive input"
      },
      {
        "number": "16",
        "name": "RXIN0-",
        "type": "input",
        "description": "Serial differential input Pin, Channel 0, negative input"
      },
      {
        "number": "17",
        "name": "VDD3V3",
        "type": "power_in",
        "description": "3.3V Power Supply connection"
      },
      {
        "number": "18",
        "name": "RXIN1-",
        "type": "input",
        "description": "Serial differential input Pin, Channel 1, negative input"
      },
      {
        "number": "19",
        "name": "RXIN1+",
        "type": "input",
        "description": "Serial differential input Pin, Channel 1, positive input"
      },
      {
        "number": "20",
        "name": "TXOUT+",
        "type": "output",
        "description": "Serial Digital Interface Output Pin, Non-Inverting Output"
      },
      {
        "number": "21",
        "name": "TXOUT-",
        "type": "output",
        "description": "Serial Digital Interface Output Pin, Inverting Output"
      },
      {
        "number": "22",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection"
      },
      {
        "number": "23",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection"
      },
      {
        "number": "24",
        "name": "VDD2V5",
        "type": "power_in",
        "description": "2.5V Power Supply connection"
      },
      {
        "number": "25",
        "name": "LF_REF",
        "type": "input",
        "description": "Loop Filter Reference"
      },
      {
        "number": "26",
        "name": "LF_CP",
        "type": "input",
        "description": "Loop Filter Connection"
      },
      {
        "number": "27",
        "name": "VDDPLL",
        "type": "power_in",
        "description": "3.3V PLL Power Supply connection"
      },
      {
        "number": "28",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection"
      },
      {
        "number": "29",
        "name": "RESET",
        "type": "input",
        "description": "Reset Input Pin, H=normal mode, L=device in RESET"
      },
      {
        "number": "30",
        "name": "LOCK",
        "type": "output",
        "description": "PLL LOCK Status Output, H=unlock condition, L=PLL is Locked"
      },
      {
        "number": "31",
        "name": "SDA",
        "type": "bidirectional",
        "description": "SMBus Data I/O Pin"
      },
      {
        "number": "32",
        "name": "SCK",
        "type": "input",
        "description": "SMBus Clock Input Pin"
      },
      {
        "number": "33",
        "name": "SMB_CS",
        "type": "input",
        "description": "SMBus Chip Select Input Pin, device is selected when High"
      },
      {
        "number": "34",
        "name": "VDD2V5",
        "type": "power_in",
        "description": "2.5V Power Supply connection"
      },
      {
        "number": "35",
        "name": "VDD3V3",
        "type": "power_in",
        "description": "3.3V Power Supply connection"
      },
      {
        "number": "36",
        "name": "RX4-",
        "type": "output",
        "description": "LVDS Data Output Pin RX4 negative, five channel wide DDR interface"
      },
      {
        "number": "37",
        "name": "RX4+",
        "type": "output",
        "description": "LVDS Data Output Pin RX4 positive, five channel wide DDR interface"
      },
      {
        "number": "38",
        "name": "RX3-",
        "type": "output",
        "description": "LVDS Data Output Pin RX3 negative, five channel wide DDR interface"
      },
      {
        "number": "39",
        "name": "RX3+",
        "type": "output",
        "description": "LVDS Data Output Pin RX3 positive, five channel wide DDR interface"
      },
      {
        "number": "40",
        "name": "RX2-",
        "type": "output",
        "description": "LVDS Data Output Pin RX2 negative, five channel wide DDR interface"
      },
      {
        "number": "41",
        "name": "RX2+",
        "type": "output",
        "description": "LVDS Data Output Pin RX2 positive, five channel wide DDR interface"
      },
      {
        "number": "42",
        "name": "RX1-",
        "type": "output",
        "description": "LVDS Data Output Pin RX1 negative, five channel wide DDR interface"
      },
      {
        "number": "43",
        "name": "RX1+",
        "type": "output",
        "description": "LVDS Data Output Pin RX1 positive, five channel wide DDR interface"
      },
      {
        "number": "44",
        "name": "RX0-",
        "type": "output",
        "description": "LVDS Data Output Pin RX0 negative, five channel wide DDR interface"
      },
      {
        "number": "45",
        "name": "RX0+",
        "type": "output",
        "description": "LVDS Data Output Pin RX0 positive, five channel wide DDR interface"
      },
      {
        "number": "46",
        "name": "RXCLK-",
        "type": "output",
        "description": "LVDS Clock Output Pin negative, DDR Interface"
      },
      {
        "number": "47",
        "name": "RXCLK+",
        "type": "output",
        "description": "LVDS Clock Output Pin positive, DDR Interface"
      },
      {
        "number": "48",
        "name": "DVB_ASI",
        "type": "input",
        "description": "DVB_ASI Select Input, H=DVB_ASI Mode enabled, L=Normal Mode enabled"
      },
      {
        "number": "DAP",
        "name": "GND",
        "type": "power_in",
        "description": "Die Attach Pad, ground connection, primary GND connection for the device and must be connected to Ground along with the GND pins"
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lmh0341",
        "pages": 35,
        "sha256": "e95da2b015ff92f7",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
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        "checked": "2026-10-21",
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}