component
OPA4277MDTEP
Public Made by Adomby adom
Texas Instruments Operational Amplifier, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+51@@ -0,0 +1,51 @@+# OPA4277MDTEP++**Texas Instruments** · Operational Amplifier · SOIC-14++OPA4277MDTEP from Texas Instruments, in a SOIC-14. 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 | OUT A | output | Amplifier output A of the quad OPA4277 (channel A). |+| 2 | -IN A | input | Inverting input of amplifier A; the inputs withstand ±30 V differential without damage, per the input protection description. |+| 3 | +IN A | input | Noninverting input of amplifier A; the inputs withstand ±30 V differential without damage, per the input protection description. |+| 4 | V+ | power_in | Positive amplifier power supply input; the operating supply range is ±2 V to ±18 V, with the specified range being ±5 V to ±15 V. |+| 5 | +IN B | input | Noninverting input of amplifier B; the inputs withstand ±30 V differential without damage, per the input protection description. |+| 6 | -IN B | input | Inverting input of amplifier B; the inputs withstand ±30 V differential without damage, per the input protection description. |+| 7 | OUT B | output | Amplifier output B of the quad OPA4277 (channel B). |+| 8 | OUT C | output | Amplifier output C of the quad OPA4277 (channel C). |+| 9 | -IN C | input | Inverting input of amplifier C; the inputs withstand ±30 V differential without damage, per the input protection description. |+| 10 | +IN C | input | Noninverting input of amplifier C; the inputs withstand ±30 V differential without damage, per the input protection description. |+| 11 | V- | power_in | Negative amplifier power supply input; the operating supply range is ±2 V to ±18 V, with the specified range being ±5 V to ±15 V. |+| 12 | +IN D | input | Noninverting input of amplifier D; the inputs withstand ±30 V differential without damage, per the input protection description. |+| 13 | -IN D | input | Inverting input of amplifier D; the inputs withstand ±30 V differential without damage, per the input protection description. |+| 14 | OUT D | output | Amplifier output D of the quad OPA4277 (channel D). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-14 |+| Category | Amplifiers/Comparators |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `OPA4277MDTEP`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D, STEP)+- 3D model files: `opa4277mdtep-etched.step` / `opa4277mdtep-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa4277mdtep.step` / `opa4277mdtep.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/opa4277-ep) (22 pp, sha256 `de9e2d71b0ac6c0d`, retrieved 2026-10-08, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/opa4277mdtep-datasheet.pdf)
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the inputs withstand ±30 V differential without damage, per the input protection description."+ },+ {+ "number": "3",+ "name": "+IN A",+ "type": "input",+ "description": "Noninverting input of amplifier A; the inputs withstand ±30 V differential without damage, per the input protection description."+ },+ {+ "number": "4",+ "name": "V+",+ "type": "power_in",+ "description": "Positive amplifier power supply input; the operating supply range is ±2 V to ±18 V, with the specified range being ±5 V to ±15 V."+ },+ {+ "number": "5",+ "name": "+IN B",+ "type": "input",+ "description": "Noninverting input of amplifier B; the inputs withstand ±30 V differential without damage, per the input protection description."+ },+ {+ "number": "6",+ "name": "-IN B",+ "type": "input",+ "description": "Inverting input of amplifier B; the inputs withstand ±30 V differential without damage, per the input protection description."+ },+ {+ "number": "7",+ "name": "OUT B",+ "type": "output",+ "description": "Amplifier output B of the quad OPA4277 (channel B)."+ },+ {+ "number": "8",+ "name": "OUT C",+ "type": "output",+ "description": "Amplifier output C of the quad OPA4277 (channel C)."+ },+ {+ "number": "9",+ "name": "-IN C",+ "type": "input",+ "description": "Inverting input of amplifier C; the inputs withstand ±30 V differential without damage, per the input protection description."+ },+ {+ "number": "10",+ "name": "+IN C",+ "type": "input",+ "description": "Noninverting input of amplifier C; the inputs withstand ±30 V differential without damage, per the input protection description."+ },+ {+ "number": "11",+ "name": "V-",+ "type": "power_in",+ "description": "Negative amplifier power supply input; the operating supply range is ±2 V to ±18 V, with the specified range being ±5 V to ±15 V."+ },+ {+ "number": "12",+ "name": "+IN D",+ "type": "input",+ "description": "Noninverting input of amplifier D; the inputs withstand ±30 V differential without damage, per the input protection description."+ },+ {+ "number": "13",+ "name": "-IN D",+ "type": "input",+ "description": "Inverting input of amplifier D; the inputs withstand ±30 V differential without damage, per the input protection description."+ },+ {+ "number": "14",+ "name": "OUT D",+ "type": "output",+ "description": "Amplifier output D of the quad OPA4277 (channel D)."+ }+ ],+ "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 is the OPA4277-EP datasheet; the MPN OPA4277MDTEP is listed in the TI package addendum; Page 11 mentions offset trim pins 1 and 8, but that applies to the single-op-amp OPA4277 in an 8-pin; Pin descriptions for the input and supply pins combine the pin-table function with limits from other"+ ],+ "pages_sent": 22,+ "cost_usd": 0.0783,+ "at": "2026-10-08T01:17:46"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/opa4277-ep",+ "pages": 22,+ "sha256": "de9e2d71b0ac6c0d",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 14,+ "described": 14,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "opa4277mdtep.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 8.7,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "opa4277mdtep-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6,+ 8.7,+ 1.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "fd0536007b1a5003ae91af8e0e5add6cbe3250e6071182273eb18d9bdb6bbd13",+ "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]"+ }+}