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LM4860MX
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Texas Instruments Audio Amplifiers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+52@@ -0,0 +1,52 @@+# LM4860MX++**Texas Instruments** · Audio Amplifiers · SOIC-16++LM4860MX from Texas Instruments, in a SOIC-16. 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 | GND | power_in | Ground pin, one of five GND pins (1, 4, 8, 9, 16) tied to ground. |+| 2 | SHUTDOWN | input | Shutdown control input: logic high (supply voltage) turns off the amplifier bias for 0.6 µA typical current, ground enables it; must not be left floating and has an internal soft 47 kΩ pull-up. |+| 3 | HP-SENSE | output | Headphone sense output that goes high when a headphone control input is high, can be tied to SHUTDOWN, and can drive about 2 mA into a logic gate input. |+| 4 | GND | power_in | Ground pin, one of five GND pins (1, 4, 8, 9, 16) tied to ground. |+| 5 | BYPASS | passive | Half-supply (VDD/2) bypass pin for a bypass capacitor CB (typically 0.1 µF) to ground, providing half-supply filtering. |+| 6 | HP-IN1 | input | Headphone control input 1 that disables the amplifier and reduces IDD to under 1 mA when a logic high is applied. |+| 7 | HP-IN2 | input | Headphone control input 2 that disables the amplifier and reduces IDD to under 1 mA when a logic high is applied. |+| 8 | GND | power_in | Ground pin, one of five GND pins (1, 4, 8, 9, 16) tied to ground. |+| 9 | GND | power_in | Ground pin, one of five GND pins (1, 4, 8, 9, 16) tied to ground. |+| 10 | Vo1 | output | Amplifier 1 output, one side of the bridged load, biased at half-supply. |+| 11 | GAIN-OUT | output | Output of the first amplifier used for the feedback resistor Rf and internal 40 kΩ input of the second amplifier. |+| 12 | VDD | power_in | Positive supply pin, operating range 2.7 V to 5.5 V, bypassed with CS (typically 0.1 µF). |+| 13 | -IN | input | Inverting input of the first amplifier, connected through Ri to set gain with Rf. |+| 14 | +IN | input | Non-inverting input of the first amplifier, typically AC-coupled or tied to the bypass node. |+| 15 | Vo2 | output | Amplifier 2 output (unity-gain inverting), the other side of the bridged load, 180° out of phase with Vo1. |+| 16 | GND | power_in | Ground pin, one of five GND pins (1, 4, 8, 9, 16) tied to ground. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | Amplifiers/Comparators |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `LM4860MX`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)+- 3D model files: `lm4860mx-etched.step` / `lm4860mx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm4860mx.step` / `lm4860mx.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/lm4860) (20 pp, sha256 `e4d871c00cb92c3b`, 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/lm4860mx-datasheet.pdf)
page.jsonadded+210@@ -0,0 +1,210 @@+{+ "slug": "lm4860mx",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Audio Amplifiers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "lm4860mx",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm4860mx.kicad_sym",+ "lm4860mx.kicad_mod",+ "lm4860mx.glb",+ "lm4860mx.step",+ "lm4860mx.lbr",+ "docs/hero.png",+ "docs/lm4860mx-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm4860mx-hero.glb",+ "lm4860mx-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM4860MX",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-16",+ "pin_count": 16,+ "category": "Amplifiers/Comparators",+ "subcategory": "Audio Amplifiers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm4860",+ "parts": {+ "symbol": "lm4860mx.kicad_sym",+ "footprint": "lm4860mx.kicad_mod",+ "model_3d": "lm4860mx-hero.glb",+ "model_3d_plain": "lm4860mx.glb",+ "model_3d_step": "lm4860mx-etched.step",+ "model_3d_step_plain": "lm4860mx.step",+ "lbr": "lm4860mx.lbr"+ },+ "distributor_links": {+ "lcsc": 2878036,+ "digikey": "LM4860MXTR-ND",+ "mouser": "926-LM4860MX"+ },+ "distributor_check": {+ "checked_at": "2026-10-03T05:36:28Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "LM4860MXTR-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "926-LM4860MX",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin, one of five GND pins (1, 4, 8, 9, 16) tied to ground."+ },+ {+ "number": "2",+ "name": "SHUTDOWN",+ "type": "input",+ "description": "Shutdown control input: logic high (supply voltage) turns off the amplifier bias for 0.6 µA typical current, ground enables it; must not be left floating and has an internal soft 47 kΩ pull-up."+ },+ {+ "number": "3",+ "name": "HP-SENSE",+ "type": "output",+ "description": "Headphone sense output that goes high when a headphone control input is high, can be tied to SHUTDOWN, and can drive about 2 mA into a logic gate input."+ },+ {+ "number": "4",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin, one of five GND pins (1, 4, 8, 9, 16) tied to ground."+ },+ {+ "number": "5",+ "name": "BYPASS",+ "type": "passive",+ "description": "Half-supply (VDD/2) bypass pin for a bypass capacitor CB (typically 0.1 µF) to ground, providing half-supply filtering."+ },+ {+ "number": "6",+ "name": "HP-IN1",+ "type": "input",+ "description": "Headphone control input 1 that disables the amplifier and reduces IDD to under 1 mA when a logic high is applied."+ },+ {+ "number": "7",+ "name": "HP-IN2",+ "type": "input",+ "description": "Headphone control input 2 that disables the amplifier and reduces IDD to under 1 mA when a logic high is applied."+ },+ {+ "number": "8",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin, one of five GND pins (1, 4, 8, 9, 16) tied to ground."+ },+ {+ "number": "9",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin, one of five GND pins (1, 4, 8, 9, 16) tied to ground."+ },+ {+ "number": "10",+ "name": "Vo1",+ "type": "output",+ "description": "Amplifier 1 output, one side of the bridged load, biased at half-supply."+ },+ {+ "number": "11",+ "name": "GAIN-OUT",+ "type": "output",+ "description": "Output of the first amplifier used for the feedback resistor Rf and internal 40 kΩ input of the second amplifier."+ },+ {+ "number": "12",+ "name": "VDD",+ "type": "power_in",+ "description": "Positive supply pin, operating range 2.7 V to 5.5 V, bypassed with CS (typically 0.1 µF)."+ },+ {+ "number": "13",+ "name": "-IN",+ "type": "input",+ "description": "Inverting input of the first amplifier, connected through Ri to set gain with Rf."+ },+ {+ "number": "14",+ "name": "+IN",+ "type": "input",+ "description": "Non-inverting input of the first amplifier, typically AC-coupled or tied to the bypass node."+ },+ {+ "number": "15",+ "name": "Vo2",+ "type": "output",+ "description": "Amplifier 2 output (unity-gain inverting), the other side of the bridged load, 180° out of phase with Vo1."+ },+ {+ "number": "16",+ "name": "GND",+ "type": "power_in",+ "description": "Ground pin, one of five GND pins (1, 4, 8, 9, 16) tied to ground."+ }+ ],+ "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": [+ "extractor flagged: Pin types and descriptions for BYPASS, GAIN-OUT, +IN were inferred from the Figure 1 schematic and t",+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 20,+ "cost_usd": 0.4497,+ "at": "2026-10-03T05:35:58"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm4860",+ "pages": 20,+ "sha256": "e4d871c00cb92c3b",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "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]"+ }+}