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ONET1130ECRSMT
Public Made by Adomby adom
Texas Instruments Special Purpose Amplifiers, VQFN-32-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+70@@ -0,0 +1,70 @@+# ONET1130ECRSMT++**Texas Instruments** · Special Purpose Amplifiers · VQFN-32-EP(4x4)++ONET1130ECRSMT from Texas Instruments, in a VQFN-32-EP(4x4). 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 | LOL | output | Transmitter and receiver loss of lock indicator; open drain output (3.3 V tolerant) that requires an external 4.7-10 kΩ pull-up resistor to VCC. |+| 2 | MONB | output | Bias current monitor output. |+| 3 | GND | power_in | Circuit ground. |+| 4 | TXIN+ | input | Non-inverted transmitter data input with on-chip 100 Ω differential termination to TXIN-; must be AC coupled. |+| 5 | TXIN- | input | Inverted transmitter data input with on-chip 100 Ω differential termination to TXIN+; must be AC coupled. |+| 6 | GND | power_in | Circuit ground. |+| 7 | PD | bidirectional | Photodiode input capable of sourcing or sinking current based on register setting. |+| 8 | MONP | output | Photodiode current monitor output. |+| 9 | TX_LF | input | Transmitter loop filter capacitor connection. |+| 10 | BIAS | bidirectional | Laser bias current pin that sinks or sources bias current for both APC and open-loop modes. |+| 11 | VCC_TX | power_in | 2.5 V ± 5% supply voltage for the transmitter. |+| 12 | TXOUT- | output | Inverted transmitter data output internally terminated in single-ended operation mode. |+| 13 | TXOUT+ | output | Non-inverted transmitter data output. |+| 14 | VCC_TX | power_in | 2.5 V ± 5% supply voltage for the transmitter. |+| 15 | VDD | power_in | 2.5 V ± 5% supply voltage for the digital circuitry. |+| 16 | AMP | input | Output amplitude control input (0-2 V range) to adjust transmitter output amplitude; leave open when not used. |+| 17 | SDA | bidirectional | 2-wire serial data input/output (3.3 V tolerant) requiring an external 4.7-10 kΩ pull-up resistor to VCC. |+| 18 | SCK | input | 2-wire serial clock input (3.3 V tolerant) requiring an external 4.7-10 kΩ pull-up resistor to VCC. |+| 19 | GND | power_in | Circuit ground. |+| 20 | RXIN+ | input | Non-inverted receiver data input with on-chip 100 Ω differential termination to RXIN-; must be AC coupled. |+| 21 | RXIN- | input | Inverted receiver data input with on-chip 100 Ω differential termination to RXIN+; must be AC coupled. |+| 22 | GND | power_in | Circuit ground. |+| 23 | COMP | input | APC loop compensation pin; connect a 0.01 µF capacitor to ground for bandwidth control. |+| 24 | RX_LOS | output | Receiver loss of signal indicator; open drain output (3.3 V tolerant) that requires an external 4.7-10 kΩ pull-up resistor to VCC. |+| 25 | RX_LF | input | Receiver loop filter capacitor connection. |+| 26 | RX_DIS | input | Receiver output buffer disable input (3.3 V tolerant) with integrated 250 kΩ pull-up to VCC; ground to enable, high to disable. |+| 27 | VCC_RX | power_in | 2.5 V ± 5% supply voltage for the receiver. |+| 28 | RXOUT- | output | Inverted receiver data output with 45 Ω back termination to VCC. |+| 29 | RXOUT+ | output | Non-inverted receiver data output with 45 Ω back termination to VCC. |+| 30 | VCC_RX | power_in | 2.5 V ± 5% supply voltage for the receiver. |+| 31 | TX_FLT | output | Transmitter fault detection flag; open drain output (3.3 V tolerant) that requires an external 4.7-10 kΩ pull-up resistor to VCC. |+| 32 | TX_DIS | input | Transmitter bias and modulation disable input (3.3 V tolerant) with integrated 250 kΩ pull-up to VCC; high disables both bias and modulation currents, can toggle to reset fault. |+| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-32-EP(4x4) |+| Category | Amplifiers/Comparators |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `ONET1130ECRSMT`+- Footprint: `Package_DFN_QFN:QFN-32-1EP_4x4mm_P0.4mm_EP2.9x2.9mm`+- 3D model: VQFN-32-EP(4x4) (KiCad packages3D, STEP)+- 3D model files: `onet1130ecrsmt-etched.step` / `onet1130ecrsmt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `onet1130ecrsmt.step` / `onet1130ecrsmt.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/onet1130ec) (64 pp, sha256 `ec8ce9f01f56cdb7`, retrieved 2026-10-03, 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/onet1130ecrsmt-datasheet.pdf)
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open drain output (3.3 V tolerant) that requires an external 4.7-10 kΩ pull-up resistor to VCC."+ },+ {+ "number": "2",+ "name": "MONB",+ "type": "output",+ "description": "Bias current monitor output."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Circuit ground."+ },+ {+ "number": "4",+ "name": "TXIN+",+ "type": "input",+ "description": "Non-inverted transmitter data input with on-chip 100 Ω differential termination to TXIN-; must be AC coupled."+ },+ {+ "number": "5",+ "name": "TXIN–",+ "type": "input",+ "description": "Inverted transmitter data input with on-chip 100 Ω differential termination to TXIN+; must be AC coupled."+ },+ {+ "number": "6",+ "name": "GND",+ "type": "power_in",+ "description": "Circuit ground."+ },+ {+ "number": "7",+ "name": "PD",+ "type": "bidirectional",+ "description": "Photodiode input capable of sourcing or sinking current based on register setting."+ },+ {+ "number": "8",+ "name": "MONP",+ "type": "output",+ "description": "Photodiode current monitor output."+ },+ {+ "number": "9",+ "name": "TX_LF",+ "type": "input",+ "description": "Transmitter loop filter capacitor connection."+ },+ {+ "number": "10",+ "name": "BIAS",+ "type": "bidirectional",+ "description": "Laser bias current pin that sinks or sources bias current for both APC and open-loop modes."+ },+ {+ "number": "11",+ "name": "VCC_TX",+ "type": "power_in",+ "description": "2.5 V ± 5% supply voltage for the transmitter."+ },+ {+ "number": "12",+ "name": "TXOUT–",+ "type": "output",+ "description": "Inverted transmitter data output internally terminated in single-ended operation mode."+ },+ {+ "number": "13",+ "name": "TXOUT+",+ "type": "output",+ "description": "Non-inverted transmitter data output."+ },+ {+ "number": "14",+ "name": "VCC_TX",+ "type": "power_in",+ "description": "2.5 V ± 5% supply voltage for the transmitter."+ },+ {+ "number": "15",+ "name": "VDD",+ "type": "power_in",+ "description": "2.5 V ± 5% supply voltage for the digital circuitry."+ },+ {+ "number": "16",+ "name": "AMP",+ "type": "input",+ "description": "Output amplitude control input (0-2 V range) to adjust transmitter output amplitude; leave open when not used."+ },+ {+ "number": "17",+ "name": "SDA",+ "type": "bidirectional",+ "description": "2-wire serial data input/output (3.3 V tolerant) requiring an external 4.7-10 kΩ pull-up resistor to VCC."+ },+ {+ "number": "18",+ "name": "SCK",+ "type": "input",+ "description": "2-wire serial clock input (3.3 V tolerant) requiring an external 4.7-10 kΩ pull-up resistor to VCC."+ },+ {+ "number": "19",+ "name": "GND",+ "type": "power_in",+ "description": "Circuit ground."+ },+ {+ "number": "20",+ "name": "RXIN+",+ "type": "input",+ "description": "Non-inverted receiver data input with on-chip 100 Ω differential termination to RXIN-; must be AC coupled."+ },+ {+ "number": "21",+ "name": "RXIN–",+ "type": "input",+ "description": "Inverted receiver data input with on-chip 100 Ω differential termination to RXIN+; must be AC coupled."+ },+ {+ "number": "22",+ "name": "GND",+ "type": "power_in",+ "description": "Circuit ground."+ },+ {+ "number": "23",+ "name": "COMP",+ "type": "input",+ "description": "APC loop compensation pin; connect a 0.01 µF capacitor to ground for bandwidth control."+ },+ {+ "number": "24",+ "name": "RX_LOS",+ "type": "output",+ "description": "Receiver loss of signal indicator; open drain output (3.3 V tolerant) that requires an external 4.7-10 kΩ pull-up resistor to VCC."+ },+ {+ "number": "25",+ "name": "RX_LF",+ "type": "input",+ "description": "Receiver loop filter capacitor connection."+ },+ {+ "number": "26",+ "name": "RX_DIS",+ "type": "input",+ "description": "Receiver output buffer disable input (3.3 V tolerant) with integrated 250 kΩ pull-up to VCC; ground to enable, high to disable."+ },+ {+ "number": "27",+ "name": "VCC_RX",+ "type": "power_in",+ "description": "2.5 V ± 5% supply voltage for the receiver."+ },+ {+ "number": "28",+ "name": "RXOUT–",+ "type": "output",+ "description": "Inverted receiver data output with 45 Ω back termination to VCC."+ },+ {+ "number": "29",+ "name": "RXOUT+",+ "type": "output",+ "description": "Non-inverted receiver data output with 45 Ω back termination to VCC."+ },+ {+ "number": "30",+ "name": "VCC_RX",+ "type": "power_in",+ "description": "2.5 V ± 5% supply voltage for the receiver."+ },+ {+ "number": "31",+ "name": "TX_FLT",+ "type": "output",+ "description": "Transmitter fault detection flag; open drain output (3.3 V tolerant) that requires an external 4.7-10 kΩ pull-up resistor to VCC."+ },+ {+ "number": "32",+ "name": "TX_DIS",+ "type": "input",+ "description": "Transmitter bias and modulation disable input (3.3 V tolerant) with integrated 250 kΩ pull-up to VCC; high disables both bias and modulation currents, can toggle to reset fault."+ },+ {+ "number": "33",+ "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": [+ "exposed pad 33 added from the footprint",+ "dropped thermal pad ['EP'] absent from footprint"+ ],+ "pages_sent": 8,+ "cost_usd": 0.1774,+ "at": "2026-10-03T08:48:17"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/onet1130ec",+ "pages": 64,+ "sha256": "ec8ce9f01f56cdb7",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 33,+ "described": 33,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}