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LM4864MM
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Texas Instruments Audio Amplifiers, 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 @@+# LM4864MM++**Texas Instruments** · Audio Amplifiers · VSSOP-8++LM4864MM 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 | SHUTDOWN | input | Active-high shutdown input that turns off the amplifier bias circuitry when a logic high is applied, with the trigger point typically half supply, and it must be tied to a definite voltage (ground or VDD). |+| 2 | BYPASS | passive | Half-supply (VDD/2) bypass node that connects to an external capacitor CB, recommended at 1.0 µF or larger for PSRR and click-and-pop performance. |+| 3 | +IN | input | Non-inverting input of the first amplifier. |+| 4 | -IN | input | Inverting input of the first amplifier, where the input resistor Ri and feedback resistor RF set the gain AVD = 2*(RF/Ri). |+| 5 | Vo1 | output | Output of the first amplifier, which drives one side of the bridged load and also feeds the second, unity-gain inverting amplifier. |+| 6 | VDD | power_in | Positive supply pin with an operating range of 2.7V to 5.5V (absolute maximum 6.0V), to be bypassed with a capacitor such as 0.1 µF placed close to the pin. |+| 7 | GND | power_in | Ground pin. |+| 8 | Vo2 | output | Output of the second amplifier, which has a fixed gain of -1 and drives the other side of the bridged load. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VSSOP-8 |+| Category | Amplifiers/Comparators |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM4864MM`+- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`+- 3D model: VSSOP-8 (KiCad packages3D, STEP)+- 3D model files: `lm4864mm-etched.step` / `lm4864mm-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm4864mm.step` / `lm4864mm.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/ds/symlink/lm4864.pdf) (29 pp, sha256 `8e340227e33ea6b4`, retrieved 2026-10-03, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/lm4864mm-datasheet.pdf)
page.jsonadded+161@@ -0,0 +1,161 @@+{+ "slug": "lm4864mm",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Audio Amplifiers, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "lm4864mm",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm4864mm.kicad_sym",+ "lm4864mm.kicad_mod",+ "lm4864mm.glb",+ "lm4864mm.step",+ "lm4864mm.lbr",+ "docs/hero.png",+ "docs/lm4864mm-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm4864mm-hero.glb",+ "lm4864mm-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM4864MM",+ "manufacturer": "Texas Instruments",+ "package": "VSSOP-8",+ "pin_count": 8,+ "category": "Amplifiers/Comparators",+ "subcategory": "Audio Amplifiers",+ "datasheet": "https://www.ti.com/cn/lit/ds/symlink/lm4864.pdf",+ "parts": {+ "symbol": "lm4864mm.kicad_sym",+ "footprint": "lm4864mm.kicad_mod",+ "model_3d": "lm4864mm-hero.glb",+ "model_3d_plain": "lm4864mm.glb",+ "model_3d_step": "lm4864mm-etched.step",+ "model_3d_step_plain": "lm4864mm.step",+ "lbr": "lm4864mm.lbr"+ },+ "distributor_links": {+ "lcsc": 2868122,+ "digikey": "296-LM4864MMTR-ND",+ "mouser": "926-LM4864MM"+ },+ "distributor_check": {+ "checked_at": "2026-10-03T07:44:47Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-LM4864MMTR-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LM4864MM",+ "status": "found",+ "lifecycle": "End of Life"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "SHUTDOWN",+ "type": "input",+ "description": "Active-high shutdown input that turns off the amplifier bias circuitry when a logic high is applied, with the trigger point typically half supply, and it must be tied to a definite voltage (ground or VDD)."+ },+ {+ "number": "2",+ "name": "BYPASS",+ "type": "passive",+ "description": "Half-supply (VDD/2) bypass node that connects to an external capacitor CB, recommended at 1.0 µF or larger for PSRR and click-and-pop performance."+ },+ {+ "number": "3",+ "name": "+IN",+ "type": "input",+ "description": "Non-inverting input of the first amplifier."+ },+ {+ "number": "4",+ "name": "-IN",+ "type": "input",+ "description": "Inverting input of the first amplifier, where the input resistor Ri and feedback resistor RF set the gain AVD = 2*(RF/Ri)."+ },+ {+ "number": "5",+ "name": "Vo1",+ "type": "output",+ "description": "Output of the first amplifier, which drives one side of the bridged load and also feeds the second, unity-gain inverting amplifier."+ },+ {+ "number": "6",+ "name": "VDD",+ "type": "power_in",+ "description": "Positive supply pin with an operating range of 2.7V to 5.5V (absolute maximum 6.0V), to be bypassed with a capacitor such as 0.1 µF placed close to the pin."+ },+ {+ "number": "7",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "8",+ "name": "Vo2",+ "type": "output",+ "description": "Output of the second amplifier, which has a fixed gain of -1 and drives the other side of the bridged load."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-sonnet-5-5",+ "primary_mode": "text+vision",+ "consensus_model": "claude-opus-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 29,+ "cost_usd": 0.5894,+ "at": "2026-10-03T07:44:26"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/ds/symlink/lm4864.pdf",+ "pages": 29,+ "sha256": "8e340227e33ea6b4",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}