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ISO7731QDWRQ1

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Texas Instruments Digital Isolators, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ISO7731QDWRQ1

Texas Instruments · Digital Isolators · SOIC-16-300mil

ISO7731QDWRQ1 from Texas Instruments, in a SOIC-16-300mil. 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 VCC1 power_in Power supply, VCC1 for the side-1 circuitry of the isolator.
2 GND1 power_in Ground connection for VCC1.
3 INA input Input, channel A.
4 INB input Input, channel B.
5 OUTC output Output, channel C.
6 NC unconnected Not connected.
7 EN1 input Output enable 1. Output pins on side 1 are enabled when EN1 is high or open and in high-impedance state when EN1 is low.
8 GND1 power_in Ground connection for VCC1.
9 GND2 power_in Ground connection for VCC2.
10 EN2 input Output enable 2. Output pins on side 2 are enabled when EN2 is high or open and in high-impedance state when EN2 is low.
11 NC unconnected Not connected.
12 INC input Input, channel C.
13 OUTB output Output, channel B.
14 OUTA output Output, channel A.
15 GND2 power_in Ground connection for VCC2.
16 VCC2 power_in Power supply, VCC2 for the side-2 circuitry of the isolator.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-16-300mil
Category Signal Isolation Devices
Pins 16

CAD (KiCad official)

  • Symbol: ISO7731QDWRQ1
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16-300mil (KiCad packages3D, STEP)
  • 3D model files: iso7731qdwrq1-etched.step / iso7731qdwrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); iso7731qdwrq1.step / iso7731qdwrq1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (56 pp, sha256 de10b8c94b20f811, 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