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LMH6551MM
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Texas Instruments Operational Amplifier, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+44@@ -0,0 +1,44 @@+# LMH6551MM++**Texas Instruments** · Operational Amplifier · VSSOP-8++LMH6551MM from Texas Instruments, in a VSSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | -IN | input | Negative (inverting) input of the differential amplifier; the input current is limited to a maximum of 30 mA for pins 1, 2, 7 and 8. |+| 2 | VCM | input | Output common-mode voltage pin for the common-mode feedback amplifier; the maximum input current for this pin is 30 mA, and the VCM bypass capacitor can be removed (200 MHz common-mode small-signal bandwidth). |+| 3 | V+ | power_in | Positive supply; total supply voltage is 3 V to 12 V recommended, with a 13.2 V absolute maximum. |+| 4 | +OUT | output | Positive output of the differential amplifier; maximum output current is set by device power dissipation limits. |+| 5 | -OUT | output | Negative output of the differential amplifier; maximum output current is set by device power dissipation limits. |+| 6 | V- | power_in | Negative supply; total supply voltage is 3 V to 12 V recommended, with a 13.2 V absolute maximum across the supply. |+| 7 | NC | unconnected | No connection; the pin is not connected internally. |+| 8 | +IN | input | Positive (non-inverting) input of the differential amplifier; the input current is limited to a maximum of 30 mA for pins 1, 2, 7 and 8. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VSSOP-8 |+| Category | Amplifiers/Comparators |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LMH6551MM`+- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`+- 3D model: VSSOP-8 (KiCad packages3D, STEP)+- 3D model files: `lmh6551mm-etched.step` / `lmh6551mm-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lmh6551mm.step` / `lmh6551mm.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/lmh6551) (36 pp, sha256 `876522576991cfe3`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/lmh6551mm-datasheet.pdf)
page.jsonadded+201@@ -0,0 +1,201 @@+{+ "slug": "lmh6551mm",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Operational Amplifier, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "lmh6551mm",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lmh6551mm.kicad_sym",+ "lmh6551mm.kicad_mod",+ "lmh6551mm.glb",+ "lmh6551mm.step",+ "lmh6551mm.lbr",+ "docs/hero.png",+ "docs/lmh6551mm-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lmh6551mm-hero.glb",+ "lmh6551mm-hero.overlay.json"+ ],+ "component": {+ "mpn": "LMH6551MM",+ "manufacturer": "Texas Instruments",+ "package": "VSSOP-8",+ "pin_count": 8,+ "category": "Amplifiers/Comparators",+ "subcategory": "Operational Amplifier",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lmh6551",+ "parts": {+ "symbol": "lmh6551mm.kicad_sym",+ "footprint": "lmh6551mm.kicad_mod",+ "model_3d": "lmh6551mm-hero.glb",+ "model_3d_plain": "lmh6551mm.glb",+ "model_3d_step": "lmh6551mm-etched.step",+ "model_3d_step_plain": "lmh6551mm.step",+ "lbr": "lmh6551mm.lbr"+ },+ "distributor_links": {+ "lcsc": "C2057404",+ "digikey": "LMH6551MMTR-ND",+ "mouser": "926-LMH6551MM"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T00:18:40Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "LMH6551MMTR-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LMH6551MM",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "-IN",+ "type": "input",+ "description": "Negative (inverting) input of the differential amplifier; the input current is limited to a maximum of 30 mA for pins 1, 2, 7 and 8."+ },+ {+ "number": "2",+ "name": "VCM",+ "type": "input",+ "description": "Output common-mode voltage pin for the common-mode feedback amplifier; the maximum input current for this pin is 30 mA, and the VCM bypass capacitor can be removed (200 MHz common-mode small-signal bandwidth)."+ },+ {+ "number": "3",+ "name": "V+",+ "type": "power_in",+ "description": "Positive supply; total supply voltage is 3 V to 12 V recommended, with a 13.2 V absolute maximum."+ },+ {+ "number": "4",+ "name": "+OUT",+ "type": "output",+ "description": "Positive output of the differential amplifier; maximum output current is set by device power dissipation limits."+ },+ {+ "number": "5",+ "name": "-OUT",+ "type": "output",+ "description": "Negative output of the differential amplifier; maximum output current is set by device power dissipation limits."+ },+ {+ "number": "6",+ "name": "V-",+ "type": "power_in",+ "description": "Negative supply; total supply voltage is 3 V to 12 V recommended, with a 13.2 V absolute maximum across the supply."+ },+ {+ "number": "7",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection; the pin is not connected internally."+ },+ {+ "number": "8",+ "name": "+IN",+ "type": "input",+ "description": "Positive (non-inverting) input of the differential amplifier; the input current is limited to a maximum of 30 mA for pins 1, 2, 7 and 8."+ }+ ],+ "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 one pin table for the D (SOIC-8) and DGK (VSSOP-8) packages. Its pin numbers and; The datasheet lists pin 2 (VCM) as type I but calls it an output common-mode voltage pin. The type w; Pin 7 (NC) is marked as no connection. Its type was set to unconnected."+ ],+ "pages_sent": 7,+ "cost_usd": 0.0461,+ "at": "2026-10-08T00:18:25"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lmh6551",+ "pages": 36,+ "sha256": "876522576991cfe3",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "lmh6551mm.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 3.1,+ 2,+ 0.85+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "353552981eef35cb93635057d4aeb89aef22648c77af6fd095e328bfe6b834bd",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lmh6551mm-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 3.1,+ 2,+ 0.85+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "9993de5add46e2ad92a52ae014858c295285a61dead594f11164590d44012c74",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}