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LMV344IPWRQ1
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Texas Instruments Operational Amplifier, TSSOP-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 @@+# LMV344IPWRQ1++**Texas Instruments** · Operational Amplifier · TSSOP-14++LMV344IPWRQ1 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 | 1OUT | output | Output of amplifier 1, rail-to-rail; output swing is specified as tens of mV from the supply rails at RL = 2 kΩ and 10 kΩ, and short-circuit source/sink current is listed as IOS. |+| 2 | 1IN- | input | Inverting input of amplifier 1; input bias current is typically 1 pA at 25°C, and common-mode input range is -0.2 V to 4.2 V at V+ = 5 V (CMRR > 50 dB). |+| 3 | 1IN+ | input | Non-inverting input of amplifier 1; input offset voltage is typically 0.25 mV, and common-mode input range is -0.2 V to 4.2 V at V+ = 5 V (CMRR > 50 dB). |+| 4 | V+ | power_in | Positive supply pin; recommended single-supply operation is 2.5 V to 5.5 V and the absolute maximum supply voltage is 5.5 V. |+| 5 | 2IN+ | input | Non-inverting input of amplifier 2; input bias current is typically 1 pA at 25°C, with the same common-mode input range as the other channels. |+| 6 | 2IN- | input | Inverting input of amplifier 2; input bias current is typically 1 pA at 25°C, with the same common-mode input range as the other channels. |+| 7 | 2OUT | output | Output of amplifier 2, rail-to-rail; output swing is specified as tens of mV from the supply rails, and short-circuit source/sink current is listed as IOS. |+| 8 | 3OUT | output | Output of amplifier 3, rail-to-rail; output swing is specified as tens of mV from the supply rails, and short-circuit source/sink current is listed as IOS. |+| 9 | 3IN- | input | Inverting input of amplifier 3; input bias current is typically 1 pA at 25°C, with the same common-mode input range as the other channels. |+| 10 | 3IN+ | input | Non-inverting input of amplifier 3; input bias current is typically 1 pA at 25°C, with the same common-mode input range as the other channels. |+| 11 | GND | power_in | Ground / negative supply reference (0 V) for the single-supply operation; the datasheet defines all voltages relative to this GND pin. |+| 12 | 4IN+ | input | Non-inverting input of amplifier 4; input bias current is typically 1 pA at 25°C, with the same common-mode input range as the other channels. |+| 13 | 4IN- | input | Inverting input of amplifier 4; input bias current is typically 1 pA at 25°C, with the same common-mode input range as the other channels. |+| 14 | 4OUT | output | Output of amplifier 4, rail-to-rail; output swing is specified as tens of mV from the supply rails, and short-circuit source/sink current is listed as IOS. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-14 |+| Category | Amplifiers/Comparators |+| Pins | 14 |++## CAD (KiCad official)++- Symbol: `LMV344IPWRQ1`+- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`+- 3D model: TSSOP-14 (KiCad packages3D, STEP)+- 3D model files: `lmv344ipwrq1-etched.step` / `lmv344ipwrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lmv344ipwrq1.step` / `lmv344ipwrq1.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/lmv341-q1) (34 pp, sha256 `4fcc158599c0c6a7`, 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/lmv344ipwrq1-datasheet.pdf)
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output swing is specified as tens of mV from the supply rails at RL = 2 kΩ and 10 kΩ, and short-circuit source/sink current is listed as IOS."+ },+ {+ "number": "2",+ "name": "1IN-",+ "type": "input",+ "description": "Inverting input of amplifier 1; input bias current is typically 1 pA at 25°C, and common-mode input range is -0.2 V to 4.2 V at V+ = 5 V (CMRR > 50 dB)."+ },+ {+ "number": "3",+ "name": "1IN+",+ "type": "input",+ "description": "Non-inverting input of amplifier 1; input offset voltage is typically 0.25 mV, and common-mode input range is -0.2 V to 4.2 V at V+ = 5 V (CMRR > 50 dB)."+ },+ {+ "number": "4",+ "name": "V+",+ "type": "power_in",+ "description": "Positive supply pin; recommended single-supply operation is 2.5 V to 5.5 V and the absolute maximum supply voltage is 5.5 V."+ },+ {+ "number": "5",+ "name": "2IN+",+ "type": "input",+ "description": "Non-inverting input of amplifier 2; input bias current is typically 1 pA at 25°C, with the same common-mode input range as the other channels."+ },+ {+ "number": "6",+ "name": "2IN-",+ "type": "input",+ "description": "Inverting input of amplifier 2; input bias current is typically 1 pA at 25°C, with the same common-mode input range as the other channels."+ },+ {+ "number": "7",+ "name": "2OUT",+ "type": "output",+ "description": "Output of amplifier 2, rail-to-rail; output swing is specified as tens of mV from the supply rails, and short-circuit source/sink current is listed as IOS."+ },+ {+ "number": "8",+ "name": "3OUT",+ "type": "output",+ "description": "Output of amplifier 3, rail-to-rail; output swing is specified as tens of mV from the supply rails, and short-circuit source/sink current is listed as IOS."+ },+ {+ "number": "9",+ "name": "3IN-",+ "type": "input",+ "description": "Inverting input of amplifier 3; input bias current is typically 1 pA at 25°C, with the same common-mode input range as the other channels."+ },+ {+ "number": "10",+ "name": "3IN+",+ "type": "input",+ "description": "Non-inverting input of amplifier 3; input bias current is typically 1 pA at 25°C, with the same common-mode input range as the other channels."+ },+ {+ "number": "11",+ "name": "GND",+ "type": "power_in",+ "description": "Ground / negative supply reference (0 V) for the single-supply operation; the datasheet defines all voltages relative to this GND pin."+ },+ {+ "number": "12",+ "name": "4IN+",+ "type": "input",+ "description": "Non-inverting input of amplifier 4; input bias current is typically 1 pA at 25°C, with the same common-mode input range as the other channels."+ },+ {+ "number": "13",+ "name": "4IN-",+ "type": "input",+ "description": "Inverting input of amplifier 4; input bias current is typically 1 pA at 25°C, with the same common-mode input range as the other channels."+ },+ {+ "number": "14",+ "name": "4OUT",+ "type": "output",+ "description": "Output of amplifier 4, rail-to-rail; output swing is specified as tens of mV from the supply rails, and short-circuit source/sink current is listed as IOS."+ }+ ],+ "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 page 4 text extraction is scrambled: the 14-pin quad layout is printed under the heading 'LMV341; The datasheet gives no per-pin functional descriptions. The descriptions above are derived from the ; The PW package is confirmed for LMV344IPWRQ1 on the device comparison table (page 3) and package add"+ ],+ "pages_sent": 34,+ "cost_usd": 0.1194,+ "at": "2026-10-08T15:12:20"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lmv341-q1",+ "pages": 34,+ "sha256": "4fcc158599c0c6a7",+ "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": "lmv344ipwrq1.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": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lmv344ipwrq1-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": "2290801f63388ac6d0044e3199d19a422f5a198c60147203b38f9f8c58a0bb1c",+ "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]"+ }+}