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OPA4703UA
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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+50@@ -0,0 +1,50 @@+# OPA4703UA++**Texas Instruments** · Operational Amplifier · SOIC-14++OPA4703UA 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 | Output of amplifier A, rated for ±10 mA output current (|VS-VOUT| < 1V) with continuous short-circuit protection, one amplifier per package. |+| 2 | -In A | input | Inverting input of amplifier A; input terminals are diode-clamped to the supply rails, so signals more than 0.3V beyond the rails must be current-limited to 10 mA or less. |+| 3 | +IN A | input | Non-inverting input of amplifier A; the common-mode voltage range extends 0.3V beyond each rail, from (V-) - 0.3V to (V+) + 0.3V. |+| 4 | V+ | power_in | Positive supply; single supply 4V to 12V or dual supplies ±2V to ±6V, with an absolute maximum V+ to V- of 13.2V. |+| 5 | +IN B | input | Non-inverting input of amplifier B; the common-mode voltage range extends 0.3V beyond each rail, from (V-) - 0.3V to (V+) + 0.3V. |+| 6 | -In B | input | Inverting input of amplifier B; input terminals are diode-clamped to the supply rails, so signals more than 0.3V beyond the rails must be current-limited to 10 mA or less. |+| 7 | OUT B | output | Output of amplifier B, rated for ±10 mA output current (|VS-VOUT| < 1V) with continuous short-circuit protection, one amplifier per package. |+| 8 | OUT C | output | Output of amplifier C, rated for ±10 mA output current (|VS-VOUT| < 1V) with continuous short-circuit protection, one amplifier per package. |+| 9 | -In C | input | Inverting input of amplifier C; input terminals are diode-clamped to the supply rails, so signals more than 0.3V beyond the rails must be current-limited to 10 mA or less. |+| 10 | +IN C | input | Non-inverting input of amplifier C; the common-mode voltage range extends 0.3V beyond each rail, from (V-) - 0.3V to (V+) + 0.3V. |+| 11 | V- | power_in | Negative supply rail (V-); the absolute maximum V+ to V- is 13.2V and the specified dual-supply range is ±2V to ±6V. |+| 12 | +IN D | input | Non-inverting input of amplifier D; the common-mode voltage range extends 0.3V beyond each rail, from (V-) - 0.3V to (V+) + 0.3V. |+| 13 | -In D | input | Inverting input of amplifier D; input terminals are diode-clamped to the supply rails, so signals more than 0.3V beyond the rails must be current-limited to 10 mA or less. |+| 14 | OUT D | output | Output of amplifier D, rated for ±10 mA output current (|VS-VOUT| < 1V) with continuous short-circuit protection, one amplifier per package. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-14 |+| Category | Amplifiers/Comparators |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `OPA4703UA`+- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`+- 3D model: SOIC-14 (KiCad packages3D, STEP)+- 3D model files: `opa4703ua-etched.step` / `opa4703ua-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa4703ua.step` / `opa4703ua.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/opa703) (37 pp, sha256 `99e4c54a94dcab23`, 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/opa4703ua-datasheet.pdf)
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input terminals are diode-clamped to the supply rails, so signals more than 0.3V beyond the rails must be current-limited to 10 mA or less."+ },+ {+ "number": "3",+ "name": "+IN A",+ "type": "input",+ "description": "Non-inverting input of amplifier A; the common-mode voltage range extends 0.3V beyond each rail, from (V-) - 0.3V to (V+) + 0.3V."+ },+ {+ "number": "4",+ "name": "V+",+ "type": "power_in",+ "description": "Positive supply; single supply 4V to 12V or dual supplies ±2V to ±6V, with an absolute maximum V+ to V- of 13.2V."+ },+ {+ "number": "5",+ "name": "+IN B",+ "type": "input",+ "description": "Non-inverting input of amplifier B; the common-mode voltage range extends 0.3V beyond each rail, from (V-) - 0.3V to (V+) + 0.3V."+ },+ {+ "number": "6",+ "name": "–In B",+ "type": "input",+ "description": "Inverting input of amplifier B; input terminals are diode-clamped to the supply rails, so signals more than 0.3V beyond the rails must be current-limited to 10 mA or less."+ },+ {+ "number": "7",+ "name": "OUT B",+ "type": "output",+ "description": "Output of amplifier B, rated for ±10 mA output current (|VS-VOUT| < 1V) with continuous short-circuit protection, one amplifier per package."+ },+ {+ "number": "8",+ "name": "OUT C",+ "type": "output",+ "description": "Output of amplifier C, rated for ±10 mA output current (|VS-VOUT| < 1V) with continuous short-circuit protection, one amplifier per package."+ },+ {+ "number": "9",+ "name": "–In C",+ "type": "input",+ "description": "Inverting input of amplifier C; input terminals are diode-clamped to the supply rails, so signals more than 0.3V beyond the rails must be current-limited to 10 mA or less."+ },+ {+ "number": "10",+ "name": "+IN C",+ "type": "input",+ "description": "Non-inverting input of amplifier C; the common-mode voltage range extends 0.3V beyond each rail, from (V-) - 0.3V to (V+) + 0.3V."+ },+ {+ "number": "11",+ "name": "V–",+ "type": "power_in",+ "description": "Negative supply rail (V-); the absolute maximum V+ to V- is 13.2V and the specified dual-supply range is ±2V to ±6V."+ },+ {+ "number": "12",+ "name": "+IN D",+ "type": "input",+ "description": "Non-inverting input of amplifier D; the common-mode voltage range extends 0.3V beyond each rail, from (V-) - 0.3V to (V+) + 0.3V."+ },+ {+ "number": "13",+ "name": "–In D",+ "type": "input",+ "description": "Inverting input of amplifier D; input terminals are diode-clamped to the supply rails, so signals more than 0.3V beyond the rails must be current-limited to 10 mA or less."+ },+ {+ "number": "14",+ "name": "OUT D",+ "type": "output",+ "description": "Output of amplifier D, rated for ±10 mA output current (|VS-VOUT| < 1V) with continuous short-circuit protection, one amplifier per package."+ }+ ],+ "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: Pin numbers were assigned from the page 1 pinout figure, which is a shared TSSOP-14/SO-14 drawing fo; The provided pages (1 of 9 extracted pages) do not include the SO-14 mechanical drawing, so package "+ ],+ "pages_sent": 9,+ "cost_usd": 0.084,+ "at": "2026-10-08T05:00:29"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/opa703",+ "pages": 37,+ "sha256": "99e4c54a94dcab23",+ "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": "opa4703ua.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": "opa4703ua-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": "8bfe8b1b6e8774919e1e938c3ac895a9e003776462b98bbe109235112c15b9fe",+ "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]"+ }+}