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THS4541IRGTT
Public Made by Adomby adom
Texas Instruments Differential Amplifiers, VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+54@@ -0,0 +1,54 @@+# THS4541IRGTT++**Texas Instruments** · Differential Amplifiers · VQFN-16-EP(3x3)++THS4541IRGTT from Texas Instruments, in a VQFN-16-EP(3x3). 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 | FB- | output | Negative feedback output; connect through external feedback resistor (Rf) to IN+ for signal path configuration; differential output feedback node. |+| 2 | IN+ | input | Positive amplifier input; common mode input range (Vs-) to (Vs+) with ≈1.3V margin below positive supply; accepts differential or single-ended signals. |+| 3 | IN- | input | Negative amplifier input; common mode range extends to (Vs-) - 0.1V minimum; must maintain input impedance balance with IN+ for best performance. |+| 4 | FB+ | output | Positive feedback output; connect through feedback resistor (Rf) to IN- for gain setting; feedback path for FDA configuration. |+| 5 | Vs+ | power_in | Positive power supply input (one of four pins); connect to 2.7V to 5.4V supply with 0.1µF bypass capacitor <0.1" to ground; supports single or dual supply operation. |+| 6 | Vs+ | power_in | Positive power supply input (one of four pins); multiple supply pins reduce inductance; typical single supply 3V to 5V; absolute maximum (Vs+) - (Vs-) = 5.5V. |+| 7 | Vs+ | power_in | Positive power supply input (one of four pins); use for low-inductance power distribution; share larger bypass capacitors (2.2µF) across multiple supply pins. |+| 8 | Vs+ | power_in | Positive power supply input (one of four pins); return path for output stage current; connect to positive supply through decoupling network. |+| 9 | Vocm | input | Common mode output voltage control input; operating range 0.91V to 1.1V margin from supply rails; leave open for default 1/2 Vs or drive with voltage reference; 47kΩ input impedance. |+| 10 | OUT+ | output | Positive amplifier output (rail-to-rail); output voltage swing limited to ≈0.2V margin from each supply rail; capable of ±75mA output current at 25°C. |+| 11 | OUT- | output | Negative amplifier output (rail-to-rail); output common mode voltage set by Vocm input; differential output centered on Vocm for direct ADC interfacing. |+| 12 | PD | input | Power down control input; set ≥(Vs-) + 1.7V for normal operation, ≤(Vs-) + 0.7V for shutdown with ≈2µA static current; CMOS logic input, do not leave floating. |+| 13 | Vs- | power_in | Negative power supply input (one of four pins); typically ground in single supply operation, ≤ -2.7V in dual supply mode; use multiple pins for ground distribution. |+| 14 | Vs- | power_in | Negative power supply input (one of four pins); minimum supply voltage (Vs+) - (Vs-) = 2.7V, maximum 5.5V; connect to ground plane for low impedance. |+| 15 | Vs- | power_in | Negative power supply input (one of four pins); part of differential power supply; share with other ground pins for reduced return path inductance. |+| 16 | Vs- | power_in | Negative power supply input (one of four pins); reference for input and output voltage swings; connect to continuous ground plane with via array. |+| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-16-EP(3x3) |+| Category | Amplifiers/Comparators |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `THS4541IRGTT`+- Footprint: `Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm`+- 3D model: VQFN-16-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `ths4541irgtt-etched.step` / `ths4541irgtt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ths4541irgtt.step` / `ths4541irgtt.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/ths4541) (67 pp, sha256 `7b53ae5aaa38c66d`, retrieved 2026-10-07, 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-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/ths4541irgtt-datasheet.pdf)
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connect through external feedback resistor (Rf) to IN+ for signal path configuration; differential output feedback node."+ },+ {+ "number": "2",+ "name": "IN+",+ "type": "input",+ "description": "Positive amplifier input; common mode input range (Vs-) to (Vs+) with ≈1.3V margin below positive supply; accepts differential or single-ended signals."+ },+ {+ "number": "3",+ "name": "IN–",+ "type": "input",+ "description": "Negative amplifier input; common mode range extends to (Vs-) - 0.1V minimum; must maintain input impedance balance with IN+ for best performance."+ },+ {+ "number": "4",+ "name": "FB+",+ "type": "output",+ "description": "Positive feedback output; connect through feedback resistor (Rf) to IN- for gain setting; feedback path for FDA configuration."+ },+ {+ "number": "5",+ "name": "Vs+",+ "type": "power_in",+ "description": "Positive power supply input (one of four pins); connect to 2.7V to 5.4V supply with 0.1µF bypass capacitor <0.1\" to ground; supports single or dual supply operation."+ },+ {+ "number": "6",+ "name": "Vs+",+ "type": "power_in",+ "description": "Positive power supply input (one of four pins); multiple supply pins reduce inductance; typical single supply 3V to 5V; absolute maximum (Vs+) - (Vs-) = 5.5V."+ },+ {+ "number": "7",+ "name": "Vs+",+ "type": "power_in",+ "description": "Positive power supply input (one of four pins); use for low-inductance power distribution; share larger bypass capacitors (2.2µF) across multiple supply pins."+ },+ {+ "number": "8",+ "name": "Vs+",+ "type": "power_in",+ "description": "Positive power supply input (one of four pins); return path for output stage current; connect to positive supply through decoupling network."+ },+ {+ "number": "9",+ "name": "Vocm",+ "type": "input",+ "description": "Common mode output voltage control input; operating range 0.91V to 1.1V margin from supply rails; leave open for default 1/2 Vs or drive with voltage reference; 47kΩ input impedance."+ },+ {+ "number": "10",+ "name": "OUT+",+ "type": "output",+ "description": "Positive amplifier output (rail-to-rail); output voltage swing limited to ≈0.2V margin from each supply rail; capable of ±75mA output current at 25°C."+ },+ {+ "number": "11",+ "name": "OUT–",+ "type": "output",+ "description": "Negative amplifier output (rail-to-rail); output common mode voltage set by Vocm input; differential output centered on Vocm for direct ADC interfacing."+ },+ {+ "number": "12",+ "name": "PD",+ "type": "input",+ "description": "Power down control input; set ≥(Vs-) + 1.7V for normal operation, ≤(Vs-) + 0.7V for shutdown with ≈2µA static current; CMOS logic input, do not leave floating."+ },+ {+ "number": "13",+ "name": "Vs–",+ "type": "power_in",+ "description": "Negative power supply input (one of four pins); typically ground in single supply operation, ≤ -2.7V in dual supply mode; use multiple pins for ground distribution."+ },+ {+ "number": "14",+ "name": "Vs–",+ "type": "power_in",+ "description": "Negative power supply input (one of four pins); minimum supply voltage (Vs+) - (Vs-) = 2.7V, maximum 5.5V; connect to ground plane for low impedance."+ },+ {+ "number": "15",+ "name": "Vs–",+ "type": "power_in",+ "description": "Negative power supply input (one of four pins); part of differential power supply; share with other ground pins for reduced return path inductance."+ },+ {+ "number": "16",+ "name": "Vs–",+ "type": "power_in",+ "description": "Negative power supply input (one of four pins); reference for input and output voltage swings; connect to continuous ground plane with via array."+ },+ {+ "number": "17",+ "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-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Exposed thermal pad (EP) is electrically isolated from die and should be connected to thermal power ",+ "exposed pad 17 added from the footprint"+ ],+ "pages_sent": 47,+ "cost_usd": 0.3674,+ "at": "2026-10-07T01:22:42"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/ths4541",+ "pages": 67,+ "sha256": "7b53ae5aaa38c66d",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 17,+ "described": 17,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "ths4541irgtt.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 3,+ 3,+ 0.785+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "ths4541irgtt-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 3,+ 3,+ 0.785+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "16362be3a1139506beb76775f74fb19a9c94a6d646be9d4cfb1fcc6337ed631e",+ "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]"+ }+}