main
Ray Publish 0.1.0 a621926 1d ago
{
  "slug": "dac7558irhbr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Digital To Analog Converters (DAC), QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "data acquisition",
    "dac7558irhbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dac7558irhbr.kicad_sym",
    "dac7558irhbr.kicad_mod",
    "dac7558irhbr.glb",
    "dac7558irhbr.step",
    "dac7558irhbr.lbr",
    "docs/hero.png",
    "docs/dac7558irhbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dac7558irhbr-hero.glb",
    "dac7558irhbr-hero.overlay.json"
  ],
  "component": {
    "mpn": "DAC7558IRHBR",
    "manufacturer": "Texas Instruments",
    "package": "QFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Data Acquisition",
    "subcategory": "Digital To Analog Converters (DAC)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/dac7558",
    "parts": {
      "symbol": "dac7558irhbr.kicad_sym",
      "footprint": "dac7558irhbr.kicad_mod",
      "model_3d": "dac7558irhbr-hero.glb",
      "model_3d_plain": "dac7558irhbr.glb",
      "model_3d_step": "dac7558irhbr-etched.step",
      "model_3d_step_plain": "dac7558irhbr.step",
      "lbr": "dac7558irhbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2651687",
      "digikey": "296-18198-2-ND",
      "mouser": "595-DAC7558IRHBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T18:36:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-18198-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-DAC7558IRHBR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VFBA",
        "type": "input",
        "description": "DAC A amplifier sense input, to be connected at the output node of channel A's amplifier for feedback."
      },
      {
        "number": "2",
        "name": "VOUTA",
        "type": "output",
        "description": "Analog output voltage from DAC A, rail-to-rail with a 0 V to VREF output range."
      },
      {
        "number": "3",
        "name": "VOUTB",
        "type": "output",
        "description": "Analog output voltage from DAC B, rail-to-rail with a 0 V to VREF output range."
      },
      {
        "number": "4",
        "name": "VFBB",
        "type": "input",
        "description": "DAC B amplifier sense input, to be connected at the output node of channel B's amplifier for feedback."
      },
      {
        "number": "5",
        "name": "VFBC",
        "type": "input",
        "description": "DAC C amplifier sense input, to be connected at the output node of channel C's amplifier for feedback."
      },
      {
        "number": "6",
        "name": "VOUTC",
        "type": "output",
        "description": "Analog output voltage from DAC C, rail-to-rail with a 0 V to VREF output range."
      },
      {
        "number": "7",
        "name": "VOUTD",
        "type": "output",
        "description": "Analog output voltage from DAC D, rail-to-rail with a 0 V to VREF output range."
      },
      {
        "number": "8",
        "name": "VFBD",
        "type": "input",
        "description": "DAC D amplifier sense input, to be connected at the output node of channel D's amplifier for feedback."
      },
      {
        "number": "9",
        "name": "VREF2",
        "type": "input",
        "description": "Positive reference voltage input for DAC C and DAC D; reference input range is 0 V to VDD."
      },
      {
        "number": "10",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output for daisy-chain operation, valid 10 ns after the SCLK falling edge at VDD = 2.7 V to 3.6 V and at VDD = 3.6 V to 5.5 V."
      },
      {
        "number": "11",
        "name": "IOVDD",
        "type": "power_in",
        "description": "I/O voltage supply input for the digital interface; the logic is compatible with 1.8 V to 5.5 V logic levels."
      },
      {
        "number": "12",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground reference for the serial interface and digital logic."
      },
      {
        "number": "13",
        "name": "SDIN",
        "type": "input",
        "description": "Serial data input; data is clocked in on SCLK with 5 ns setup and 4.5 ns hold time at VDD = 2.7 V to 5.5 V."
      },
      {
        "number": "14",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input, with a maximum SCLK frequency of 50 MHz at VDD = 2.7 V to 5.5 V."
      },
      {
        "number": "15",
        "name": "SYNC",
        "type": "input",
        "description": "Frame synchronization input; the falling edge of the SYNC pulse indicates the start of a serial data frame shifted into the DAC7558."
      },
      {
        "number": "16",
        "name": "VREF3",
        "type": "input",
        "description": "Positive reference voltage input for DAC E and DAC F; reference input range is 0 V to VDD."
      },
      {
        "number": "17",
        "name": "VFBE",
        "type": "input",
        "description": "DAC E amplifier sense input, to be connected at the output node of channel E's amplifier for feedback."
      },
      {
        "number": "18",
        "name": "VOUTE",
        "type": "output",
        "description": "Analog output voltage from DAC E, rail-to-rail with a 0 V to VREF output range."
      },
      {
        "number": "19",
        "name": "VOUTF",
        "type": "output",
        "description": "Analog output voltage from DAC F, rail-to-rail with a 0 V to VREF output range."
      },
      {
        "number": "20",
        "name": "VFBF",
        "type": "input",
        "description": "DAC F amplifier sense input, to be connected at the output node of channel F's amplifier for feedback."
      },
      {
        "number": "21",
        "name": "VFBG",
        "type": "input",
        "description": "DAC G amplifier sense input, to be connected at the output node of channel G's amplifier for feedback."
      },
      {
        "number": "22",
        "name": "VOUTG",
        "type": "output",
        "description": "Analog output voltage from DAC G, rail-to-rail with a 0 V to VREF output range."
      },
      {
        "number": "23",
        "name": "VOUTH",
        "type": "output",
        "description": "Analog output voltage from DAC H, rail-to-rail with a 0 V to VREF output range."
      },
      {
        "number": "24",
        "name": "VFBH",
        "type": "input",
        "description": "DAC H amplifier sense input, to be connected at the output node of channel H's amplifier for feedback."
      },
      {
        "number": "25",
        "name": "VREF4",
        "type": "input",
        "description": "Positive reference voltage input for DAC G and DAC H; reference input range is 0 V to VDD."
      },
      {
        "number": "26",
        "name": "DCEN",
        "type": "input",
        "description": "Daisy-chain enable input."
      },
      {
        "number": "27",
        "name": "PD",
        "type": "input",
        "description": "Power-down input; the datasheet specifies per-channel power-down with under 2 µA supply current when powered down."
      },
      {
        "number": "28",
        "name": "VDD",
        "type": "power_in",
        "description": "Analog voltage supply input, 2.7 V to 5.5 V single supply."
      },
      {
        "number": "29",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; the thermal pad must be connected to AGND."
      },
      {
        "number": "30",
        "name": "RSTSEL",
        "type": "input",
        "description": "Reset select: when low, input coding is binary; when high, input coding is 2s complement, and the reset value is set by this pin together with RST."
      },
      {
        "number": "31",
        "name": "RST",
        "type": "input",
        "description": "Asynchronous reset, active low; when low, all DAC channels reset to zero scale (RSTSEL = 0) or to midscale (RSTSEL = 1)."
      },
      {
        "number": "32",
        "name": "VREF1",
        "type": "input",
        "description": "Positive reference voltage input for DAC A and DAC B; reference input range is 0 V to VDD."
      },
      {
        "number": "33",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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: The datasheet gives the thermal pad only as a note (pad should be connected to AGND). It has no pin ; The pin table has no electrical type for the pins. Types were assigned from function: VREF, VFB, DCE; The description for SDO is taken from the timing table (t9: SCLK falling edge to SDO valid, 10 ns), ",
          "exposed pad 33 added from the footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0674,
        "at": "2026-10-08T18:36:14"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/dac7558",
        "pages": 32,
        "sha256": "e51e6810ea3878db",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "dac7558irhbr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.875
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dac7558irhbr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.875
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cc7e4b42c07cbfd3bdc04b89b49f4082588b9d702fe74db216220706646199c7",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}