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ISO7720DWR

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Texas Instruments Digital Isolators, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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ISO7720DWR

Texas Instruments · Digital Isolators · SOIC-16

ISO7720DWR from Texas Instruments, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 GND1 power_in Input side ground return for VCC1, referenced to all input-side logic and power pins.
2 NC unconnected No internal connection.
3 VCC1 power_in Input side power supply, operating range 2.25V to 5.5V, requires 0.1µF bypass capacitor to GND1.
4 INA input Channel A digital input, accepts logic levels from 0V to VCCI; input high threshold 0.7×VCCI, input low threshold 0.3×VCCI.
5 INB input Channel B digital input, accepts logic levels from 0V to VCCI; input high threshold 0.7×VCCI, input low threshold 0.3×VCCI.
6 NC unconnected No internal connection.
7 GND1 power_in Input side ground return for VCC1, referenced to all input-side logic and power pins.
8 NC unconnected No internal connection.
9 GND2 power_in Output side ground return for VCC2, referenced to all output-side logic and power pins.
10 NC unconnected No internal connection.
11 NC unconnected No internal connection.
12 OUTB output Channel B digital output, drives CMOS logic levels; output high voltage VCCO−0.4V (at 5V, IOH=−4mA), output low voltage 0.4V (at 5V, IOL=4mA).
13 OUTA output Channel A digital output, drives CMOS logic levels; output high voltage VCCO−0.4V (at 5V, IOH=−4mA), output low voltage 0.4V (at 5V, IOL=4mA).
14 VCC2 power_in Output side power supply, operating range 2.25V to 5.5V, requires 0.1µF bypass capacitor to GND2; independent from VCC1.
15 NC unconnected No internal connection.
16 GND2 power_in Output side ground return for VCC2, referenced to all output-side logic and power pins.

Key specifications

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

CAD (KiCad official)

  • Symbol: ISO7720DWR
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: iso7720dwr-etched.step / iso7720dwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); iso7720dwr.step / iso7720dwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (51 pp, sha256 7158bdf150cc2c73, retrieved 2026-09-23, 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 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-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