ths4551irgtr

{
  "slug": "ths4551irgtr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Differential OpAmps, QFN-16-EP(3x3). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "op-amp-cmp",
    "ths4551irgtr"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ths4551irgtr.kicad_sym",
    "ths4551irgtr.kicad_mod",
    "ths4551irgtr.glb",
    "ths4551irgtr.step",
    "ths4551irgtr.lbr",
    "docs/hero.png",
    "docs/ths4551irgtr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ths4551irgtr-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "component": {
    "mpn": "THS4551IRGTR",
    "manufacturer": "Texas Instruments",
    "package": "QFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Differential OpAmps",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ths4551i.pdf",
    "parts": {
      "symbol": "ths4551irgtr.kicad_sym",
      "footprint": "ths4551irgtr.kicad_mod",
      "model_3d": "ths4551irgtr-etched.glb",
      "model_3d_plain": "ths4551irgtr.glb",
      "model_3d_step": "ths4551irgtr-etched.step",
      "model_3d_step_plain": "ths4551irgtr.step",
      "lbr": "ths4551irgtr.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "FB-",
        "type": "output",
        "description": "Inverting (negative) output feedback tap. Internally routed from the OUT- output through a trimmed ~3.5 Ω internal feedback trace; use in gain networks that require the internal feedback path (RGT package only)."
      },
      {
        "number": "2",
        "name": "IN+",
        "type": "input",
        "description": "Noninverting (positive) amplifier input. High-impedance analog input to the fully differential amplifier; input common-mode range extends to the negative supply rail (NRI)."
      },
      {
        "number": "3",
        "name": "IN-",
        "type": "input",
        "description": "Inverting (negative) amplifier input. High-impedance analog input to the fully differential amplifier; input common-mode range extends to the negative supply rail (NRI)."
      },
      {
        "number": "4",
        "name": "FB+",
        "type": "output",
        "description": "Noninverting (positive) output feedback tap. Internally routed from the OUT+ output through a trimmed ~3.5 Ω internal feedback trace; use in gain networks that require the internal feedback path (RGT package only)."
      },
      {
        "number": "5",
        "name": "VS+",
        "type": "power_in",
        "description": "Positive power-supply input. Single-supply operation 2.7 V to 5.4 V, or split-supply. Bypass to VS- with 100 nF close to the pin; typical IQ = 1.37 mA at 5 V."
      },
      {
        "number": "6",
        "name": "VS+",
        "type": "power_in",
        "description": "Positive power-supply input (tied internally with other VS+ pins). Single-supply operation 2.7 V to 5.4 V. Tie to pins 5, 7, 8."
      },
      {
        "number": "7",
        "name": "VS+",
        "type": "power_in",
        "description": "Positive power-supply input (tied internally with other VS+ pins). Single-supply operation 2.7 V to 5.4 V. Tie to pins 5, 6, 8."
      },
      {
        "number": "8",
        "name": "VS+",
        "type": "power_in",
        "description": "Positive power-supply input (tied internally with other VS+ pins). Single-supply operation 2.7 V to 5.4 V. Tie to pins 5, 6, 7."
      },
      {
        "number": "9",
        "name": "VOCM",
        "type": "input",
        "description": "Output common-mode voltage control input. Sets the DC common-mode level of OUT+ and OUT-. Leave open to default to midsupply, or drive from an ADC VREF/2 output; wide range supports 0.7 V to 3.0 V common-mode requirements."
      },
      {
        "number": "10",
        "name": "OUT+",
        "type": "output",
        "description": "Noninverting (positive) amplifier output. Rail-to-rail output; drives ADC inputs directly. Continuous output current ±60 mA typ at ±2.5 V, RL = 40 Ω."
      },
      {
        "number": "11",
        "name": "OUT-",
        "type": "output",
        "description": "Inverting (negative) amplifier output. Rail-to-rail output; drives ADC inputs directly. Continuous output current ±60 mA typ at ±2.5 V, RL = 40 Ω."
      },
      {
        "number": "12",
        "name": "PD",
        "type": "input",
        "description": "Power-down control input. PD logic low = shutdown; PD logic high = normal operation. Enable threshold above (VS-)+1.15 V, disable threshold below (VS-)+0.55 V. Do not float - tie to VS+ for always-on."
      },
      {
        "number": "13",
        "name": "VS-",
        "type": "power_in",
        "description": "Negative power-supply input (tied internally with other VS- pins). Ground for single-supply operation, or negative rail for split-supply. Tie to pins 14, 15, 16."
      },
      {
        "number": "14",
        "name": "VS-",
        "type": "power_in",
        "description": "Negative power-supply input (tied internally with other VS- pins). Ground for single-supply operation, or negative rail for split-supply. Tie to pins 13, 15, 16."
      },
      {
        "number": "15",
        "name": "VS-",
        "type": "power_in",
        "description": "Negative power-supply input (tied internally with other VS- pins). Ground for single-supply operation, or negative rail for split-supply. Tie to pins 13, 14, 16."
      },
      {
        "number": "16",
        "name": "VS-",
        "type": "power_in",
        "description": "Negative power-supply input (tied internally with other VS- pins). Ground for single-supply operation, or negative rail for split-supply. Tie to pins 13, 14, 15."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed thermal pad (bottom side). Electrically isolated from the die but must be soldered to a heat-spreading power or ground plane; do not float. Improves thermal dissipation (RθJC(bot) = 12 °C/W)."
      }
    ],
    "provenance": {
      "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "distributor_links": {
      "lcsc": "C2869590",
      "digikey": "296-48682-2-ND",
      "mouser": "595-THS4551IRGTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T19:20:03Z",
      "source": "Component Ocean /api/assign-pns + lcsc_map",
      "digikey": {
        "pn": "296-48682-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-THS4551IRGTR",
        "status": "found"
      }
    },
    "models_3d": [
      {
        "file": "ths4551irgtr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ths4551irgtr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.785
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f0316a17d50b1109be3946b7adc41c8b46489f0b08c8715d7bc5419d35780c04",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}