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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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Contents

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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.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 (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