component
LMH6503MT
Public Made by Adomby adom
Texas Instruments Programmable / Variable Gain Amplifiers (PGA/VGA), TSSOP-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 @@+# LMH6503MT++**Texas Instruments** · Programmable / Variable Gain Amplifiers (PGA/VGA) · TSSOP-14++LMH6503MT from Texas Instruments, in a TSSOP-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 | V+ | power_in | Positive power supply. |+| 2 | VG | input | Gain control voltage input, gain control range -1V to +1V relative to GND, input impedance 70kΩ. |+| 3 | +VIN | input | Positive differential input, common mode voltage range ±2.0V to ±2.2V, input impedance 750kΩ. |+| 4 | +RG | passive | Positive feedback resistor node, maximum transimpedance current ±2.30 mA. |+| 5 | -RG | passive | Negative feedback resistor node, maximum transimpedance current ±2.30 mA. |+| 6 | -VIN | input | Negative differential input, common mode voltage range ±2.0V to ±2.2V, input impedance 750kΩ. |+| 7 | V- | power_in | Negative power supply. |+| 8 | V- | power_in | Negative power supply. |+| 9 | VREF | power_in | Reference voltage node. |+| 10 | VOUT | output | Output voltage, maximum ±3.20V with 100Ω load, maximum output current ±90 mA. |+| 11 | GND | power_in | Ground reference pin, gain control voltage reference. |+| 12 | I- | passive | Current reference or bias node. |+| 13 | NC | unconnected | No Connect. |+| 14 | V+ | power_in | Positive power supply. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-14 |+| Category | Amplifiers/Comparators |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `LMH6503MT`+- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`+- 3D model: TSSOP-14 (KiCad packages3D, STEP)+- 3D model files: `lmh6503mt-etched.step` / `lmh6503mt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lmh6503mt.step` / `lmh6503mt.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/lmh6503) (38 pp, sha256 `e759f10497c60102`, retrieved 2026-10-07, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (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/lmh6503mt-datasheet.pdf)
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The pin is shown in; Pin 12 (I-): Function not explicitly described in the provided datasheet pages. The pin is shown in "+ ],+ "pages_sent": 7,+ "cost_usd": 0.1244,+ "at": "2026-10-07T08:27:30"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lmh6503",+ "pages": 38,+ "sha256": "e759f10497c60102",+ "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": "lmh6503mt.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 5,+ 1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lmh6503mt-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.4,+ 5,+ 1+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "f5b642fe89a7d2234779e283a09d2bc8b3df5bb2823e2118c6b47985ea28402a",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}