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ONET1130EPRSMR
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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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ONET1130EPRSMR
Texas Instruments · Special Purpose Amplifiers · VQFN-32-EP(4x4)
ONET1130EPRSMR 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 | NC | unconnected | Do not connect. |
| 2 | MONB | output | Analog output that monitors the laser bias current. |
| 3 | GND | power_in | Circuit ground. |
| 4 | TXIN+ | input | Non-inverted transmitter data input, on-chip differentially 100 Ω terminated to TXIN-, must be AC coupled. |
| 5 | TXIN- | input | Inverted transmitter data input, on-chip differentially 100 Ω terminated to TXIN+, must be AC coupled. |
| 6 | GND | power_in | Circuit ground. |
| 7 | PD | passive | Photodiode input; the pin can source or sink current depending on register setting. |
| 8 | MONP | output | Analog output that monitors the photodiode current. |
| 9 | NC | unconnected | Do not connect. |
| 10 | BIAS | passive | Sinks or sources the laser bias current in both APC and open-loop modes. |
| 11 | VCC_TX | power_in | 2.5 V ±5% supply for the transmitter. |
| 12 | TXOUT- | output | Inverted transmitter CML data output, internally terminated in single-ended operation mode. |
| 13 | TXOUT+ | output | Non-inverted transmitter CML data output. |
| 14 | VCC_TX | power_in | 2.5 V ±5% supply for the transmitter. |
| 15 | VDD | power_in | 2.5 V ±5% supply for the digital circuitry. |
| 16 | AMP | input | Output amplitude control input; a voltage of 0 to 2 V sets the output amplitude, and the pin should be left open when not used. |
| 17 | SDA | bidirectional | 2-wire interface serial data input/output; requires an external 4.7 kΩ to 10 kΩ pull-up to VCC and is 3.3-V tolerant. |
| 18 | SCK | input | 2-wire interface serial clock input; requires an external 4.7 kΩ to 10 kΩ pull-up to VCC and is 3.3-V tolerant. |
| 19 | GND | power_in | Circuit ground. |
| 20 | RXIN+ | input | Non-inverted receiver data input, on-chip differentially 100 Ω terminated to RXIN-, must be AC coupled. |
| 21 | RXIN- | input | Inverted receiver data input, on-chip differentially 100 Ω terminated to RXIN+, must be AC coupled. |
| 22 | GND | power_in | Circuit ground. |
| 23 | COMP | passive | Compensation pin that sets the APC loop bandwidth; connect a 0.01-µF capacitor to ground. |
| 24 | RX_LOS | output | Receiver loss-of-signal open-drain output; high indicates the input is below the programmed threshold, requires a 4.7 kΩ to 10 kΩ pull-up to VCC, and is 3.3-V tolerant. |
| 25 | NC | unconnected | Do not connect. |
| 26 | RX_DIS | input | Disables the receiver output buffer when high; includes a 250 kΩ internal pull-up to VCC, ground to enable output, and is 3.3-V tolerant. |
| 27 | VCC_RX | power_in | 2.5 V ±5% supply for the receiver. |
| 28 | RXOUT- | output | Inverted receiver CML data output, 45 Ω back-terminated to VCC. |
| 29 | RXOUT+ | output | Non-inverted receiver CML data output, 45 Ω back-terminated to VCC. |
| 30 | VCC_RX | power_in | 2.5 V ±5% supply for the receiver. |
| 31 | TX_FLT | output | Transmitter fault detection flag; high indicates a fault, open-drain output requiring a 4.7 kΩ to 10 kΩ pull-up to VCC, and is 3.3-V tolerant. |
| 32 | TX_DIS | input | Disables bias and modulation currents when high; includes a 250 kΩ internal pull-up to VCC, requires an external 4.7 kΩ to 10 kΩ pull-up, and is 3.3-V tolerant. |
| 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:
ONET1130EPRSMR - 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:
onet1130eprsmr-etched.step/onet1130eprsmr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);onet1130eprsmr.step/onet1130eprsmr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (59 pp, sha256
14b09249b8f34a00, retrieved 2026-10-12, 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, primaryclaude-haiku-5-5(text), consensusclaude-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).
# ONET1130EPRSMR
**Texas Instruments** · Special Purpose Amplifiers · VQFN-32-EP(4x4)
ONET1130EPRSMR 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 | NC | unconnected | Do not connect. |
| 2 | MONB | output | Analog output that monitors the laser bias current. |
| 3 | GND | power_in | Circuit ground. |
| 4 | TXIN+ | input | Non-inverted transmitter data input, on-chip differentially 100 Ω terminated to TXIN-, must be AC coupled. |
| 5 | TXIN- | input | Inverted transmitter data input, on-chip differentially 100 Ω terminated to TXIN+, must be AC coupled. |
| 6 | GND | power_in | Circuit ground. |
| 7 | PD | passive | Photodiode input; the pin can source or sink current depending on register setting. |
| 8 | MONP | output | Analog output that monitors the photodiode current. |
| 9 | NC | unconnected | Do not connect. |
| 10 | BIAS | passive | Sinks or sources the laser bias current in both APC and open-loop modes. |
| 11 | VCC_TX | power_in | 2.5 V ±5% supply for the transmitter. |
| 12 | TXOUT- | output | Inverted transmitter CML data output, internally terminated in single-ended operation mode. |
| 13 | TXOUT+ | output | Non-inverted transmitter CML data output. |
| 14 | VCC_TX | power_in | 2.5 V ±5% supply for the transmitter. |
| 15 | VDD | power_in | 2.5 V ±5% supply for the digital circuitry. |
| 16 | AMP | input | Output amplitude control input; a voltage of 0 to 2 V sets the output amplitude, and the pin should be left open when not used. |
| 17 | SDA | bidirectional | 2-wire interface serial data input/output; requires an external 4.7 kΩ to 10 kΩ pull-up to VCC and is 3.3-V tolerant. |
| 18 | SCK | input | 2-wire interface serial clock input; requires an external 4.7 kΩ to 10 kΩ pull-up to VCC and is 3.3-V tolerant. |
| 19 | GND | power_in | Circuit ground. |
| 20 | RXIN+ | input | Non-inverted receiver data input, on-chip differentially 100 Ω terminated to RXIN-, must be AC coupled. |
| 21 | RXIN- | input | Inverted receiver data input, on-chip differentially 100 Ω terminated to RXIN+, must be AC coupled. |
| 22 | GND | power_in | Circuit ground. |
| 23 | COMP | passive | Compensation pin that sets the APC loop bandwidth; connect a 0.01-µF capacitor to ground. |
| 24 | RX_LOS | output | Receiver loss-of-signal open-drain output; high indicates the input is below the programmed threshold, requires a 4.7 kΩ to 10 kΩ pull-up to VCC, and is 3.3-V tolerant. |
| 25 | NC | unconnected | Do not connect. |
| 26 | RX_DIS | input | Disables the receiver output buffer when high; includes a 250 kΩ internal pull-up to VCC, ground to enable output, and is 3.3-V tolerant. |
| 27 | VCC_RX | power_in | 2.5 V ±5% supply for the receiver. |
| 28 | RXOUT- | output | Inverted receiver CML data output, 45 Ω back-terminated to VCC. |
| 29 | RXOUT+ | output | Non-inverted receiver CML data output, 45 Ω back-terminated to VCC. |
| 30 | VCC_RX | power_in | 2.5 V ±5% supply for the receiver. |
| 31 | TX_FLT | output | Transmitter fault detection flag; high indicates a fault, open-drain output requiring a 4.7 kΩ to 10 kΩ pull-up to VCC, and is 3.3-V tolerant. |
| 32 | TX_DIS | input | Disables bias and modulation currents when high; includes a 250 kΩ internal pull-up to VCC, requires an external 4.7 kΩ to 10 kΩ pull-up, and is 3.3-V tolerant. |
| 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: `ONET1130EPRSMR`
- 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: `onet1130eprsmr-etched.step` / `onet1130eprsmr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `onet1130eprsmr.step` / `onet1130eprsmr.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/onet1130ep) (59 pp, sha256 `14b09249b8f34a00`, retrieved 2026-10-12, 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/onet1130eprsmr-datasheet.pdf)