component
BUF12840AIRGER
Public Made by Adomby adom
Texas Instruments Video Amplifiers, VQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+61@@ -0,0 +1,61 @@+# BUF12840AIRGER++**Texas Instruments** · Video Amplifiers · VQFN-24(4x4)++BUF12840AIRGER from Texas Instruments, in a VQFN-24(4x4). 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 | OUT5 | output | DAC gamma output channel 5, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12. |+| 2 | OUT4 | output | DAC gamma output channel 4, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12. |+| 3 | OUT3 | output | DAC gamma output channel 3, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12. |+| 4 | OUT2 | output | DAC gamma output channel 2, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12. |+| 5 | OUT1 | output | DAC gamma output channel 1, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12. |+| 6 | OUT0 | output | DAC gamma output channel 0, the reset-value output (code 0 gives 0 V after reset). |+| 7 | VS | power_in | Analog supply input; operating range is 9 V to 20 V and the absolute maximum is 22 V. |+| 8 | GNDA | power_in | Analog ground; must be connected to GNDD (digital ground). |+| 9 | VSD | power_in | Digital supply input; operating range is 2.0 V to 5.5 V and the absolute maximum is 6 V. |+| 10 | EA1 | input | EEPROM select bit 1; must be tied to logic 0 if autoread is not used. |+| 11 | EA0 | input | EEPROM select bit 0; must be tied to logic 0 if autoread is not used. |+| 12 | EN | input | EEPROM enable; must be 0 if autoread is not used. |+| 13 | LD | input | Latch pin; LD = 0 is the condition for the stated bank switching delay of 7 µs typical and 10 µs maximum. |+| 14 | SCL | input | Two-wire interface serial clock, supporting 400 kHz standard/fast mode and 3.4 MHz high-speed mode. |+| 15 | SDA | bidirectional | Two-wire interface serial data, supporting 400 kHz standard/fast mode and 3.4 MHz high-speed mode. |+| 16 | A0 | input | Slave address select input for the two-wire interface. |+| 17 | BKSEL | input | Bank select input that chooses between the two independent memory banks. |+| 18 | GNDD | power_in | Digital ground; must be connected to GNDA (analog ground). |+| 19 | OUT11 | output | DAC gamma output channel 11, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12. |+| 20 | OUT10 | output | DAC gamma output channel 10, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12. |+| 21 | OUT9 | output | DAC gamma output channel 9, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12. |+| 22 | OUT8 | output | DAC gamma output channel 8, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12. |+| 23 | OUT7 | output | DAC gamma output channel 7, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12. |+| 24 | OUT6 | output | DAC gamma output channel 6, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12. |+| 25 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-24(4x4) |+| Category | Amplifiers/Comparators |+| Pins | 25 |++## CAD (KiCad official)++- Symbol: `BUF12840AIRGER`+- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm`+- 3D model: VQFN-24(4x4) (KiCad packages3D, STEP)+- 3D model files: `buf12840airger-etched.step` / `buf12840airger-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `buf12840airger.step` / `buf12840airger.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/buf12840) (32 pp, sha256 `8df9e6b68cfd14ff`, 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/buf12840airger-datasheet.pdf)
page.jsonadded+303@@ -0,0 +1,303 @@+{+ "slug": "buf12840airger",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Video Amplifiers, VQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "amplifiers-comparators",+ "buf12840airger",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "buf12840airger.kicad_sym",+ "buf12840airger.kicad_mod",+ "buf12840airger.glb",+ "buf12840airger.step",+ "buf12840airger.lbr",+ "docs/hero.png",+ "docs/buf12840airger-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "buf12840airger-hero.glb",+ "buf12840airger-hero.overlay.json"+ ],+ "component": {+ "mpn": "BUF12840AIRGER",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-24(4x4)",+ "pin_count": 25,+ "category": "Amplifiers/Comparators",+ "subcategory": "Video Amplifiers",+ "datasheet": "https://www.ti.com/cn/lit/gpn/buf12840",+ "parts": {+ "symbol": "buf12840airger.kicad_sym",+ "footprint": "buf12840airger.kicad_mod",+ "model_3d": "buf12840airger-hero.glb",+ "model_3d_plain": "buf12840airger.glb",+ "model_3d_step": "buf12840airger-etched.step",+ "model_3d_step_plain": "buf12840airger.step",+ "lbr": "buf12840airger.lbr"+ },+ "distributor_links": {+ "lcsc": "C2678488",+ "digikey": "296-27949-2-ND",+ "mouser": "595-BUF12840AIRGER"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T16:14:16Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-27949-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-BUF12840AIRGER",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "OUT5",+ "type": "output",+ "description": "DAC gamma output channel 5, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."+ },+ {+ "number": "2",+ "name": "OUT4",+ "type": "output",+ "description": "DAC gamma output channel 4, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."+ },+ {+ "number": "3",+ "name": "OUT3",+ "type": "output",+ "description": "DAC gamma output channel 3, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."+ },+ {+ "number": "4",+ "name": "OUT2",+ "type": "output",+ "description": "DAC gamma output channel 2, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."+ },+ {+ "number": "5",+ "name": "OUT1",+ "type": "output",+ "description": "DAC gamma output channel 1, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."+ },+ {+ "number": "6",+ "name": "OUT0",+ "type": "output",+ "description": "DAC gamma output channel 0, the reset-value output (code 0 gives 0 V after reset)."+ },+ {+ "number": "7",+ "name": "VS",+ "type": "power_in",+ "description": "Analog supply input; operating range is 9 V to 20 V and the absolute maximum is 22 V."+ },+ {+ "number": "8",+ "name": "GNDA",+ "type": "power_in",+ "description": "Analog ground; must be connected to GNDD (digital ground)."+ },+ {+ "number": "9",+ "name": "VSD",+ "type": "power_in",+ "description": "Digital supply input; operating range is 2.0 V to 5.5 V and the absolute maximum is 6 V."+ },+ {+ "number": "10",+ "name": "EA1",+ "type": "input",+ "description": "EEPROM select bit 1; must be tied to logic 0 if autoread is not used."+ },+ {+ "number": "11",+ "name": "EA0",+ "type": "input",+ "description": "EEPROM select bit 0; must be tied to logic 0 if autoread is not used."+ },+ {+ "number": "12",+ "name": "EN",+ "type": "input",+ "description": "EEPROM enable; must be 0 if autoread is not used."+ },+ {+ "number": "13",+ "name": "LD",+ "type": "input",+ "description": "Latch pin; LD = 0 is the condition for the stated bank switching delay of 7 µs typical and 10 µs maximum."+ },+ {+ "number": "14",+ "name": "SCL",+ "type": "input",+ "description": "Two-wire interface serial clock, supporting 400 kHz standard/fast mode and 3.4 MHz high-speed mode."+ },+ {+ "number": "15",+ "name": "SDA",+ "type": "bidirectional",+ "description": "Two-wire interface serial data, supporting 400 kHz standard/fast mode and 3.4 MHz high-speed mode."+ },+ {+ "number": "16",+ "name": "A0",+ "type": "input",+ "description": "Slave address select input for the two-wire interface."+ },+ {+ "number": "17",+ "name": "BKSEL",+ "type": "input",+ "description": "Bank select input that chooses between the two independent memory banks."+ },+ {+ "number": "18",+ "name": "GNDD",+ "type": "power_in",+ "description": "Digital ground; must be connected to GNDA (analog ground)."+ },+ {+ "number": "19",+ "name": "OUT11",+ "type": "output",+ "description": "DAC gamma output channel 11, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."+ },+ {+ "number": "20",+ "name": "OUT10",+ "type": "output",+ "description": "DAC gamma output channel 10, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."+ },+ {+ "number": "21",+ "name": "OUT9",+ "type": "output",+ "description": "DAC gamma output channel 9, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."+ },+ {+ "number": "22",+ "name": "OUT8",+ "type": "output",+ "description": "DAC gamma output channel 8, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."+ },+ {+ "number": "23",+ "name": "OUT7",+ "type": "output",+ "description": "DAC gamma output channel 7, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."+ },+ {+ "number": "24",+ "name": "OUT6",+ "type": "output",+ "description": "DAC gamma output channel 6, rail-to-rail, with 30 mA maximum continuous output current for channels 1 to 12."+ },+ {+ "number": "25",+ "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 exposed thermal pad on the bottom of the VQFN-24 package is not a numbered pin and the datasheet; The datasheet says GNDA and GNDD must be connected together. Both are typed power_in as stated in th; The datasheet pin table gives only 'Latch pin' for LD with no further function. The 7 to 10 µs bank ",+ "exposed pad 25 added from the footprint"+ ],+ "pages_sent": 8,+ "cost_usd": 0.063,+ "at": "2026-10-08T16:13:46"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/buf12840",+ "pages": 32,+ "sha256": "8df9e6b68cfd14ff",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 25,+ "described": 25,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "buf12840airger.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4,+ 4,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "buf12840airger-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4,+ 4,+ 0.77+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "97883ca601aac9a29de6ac031c66095cd324ae93eb14f383648a4eec5c2a682c",+ "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]"+ }+}