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ISO7420FEDR
Public Made by Adomby adom
Texas Instruments Digital Isolators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownISO7420FEDR
Texas Instruments · Digital Isolators · SOIC-8
ISO7420FEDR from Texas Instruments, in a SOIC-8. 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 for input side channels, 3.0 V to 5.5 V |
| 2 | INA | input | Isolated digital input for channel A with TTL thresholds and 5 V tolerance |
| 3 | INB | input | Isolated digital input for channel B with TTL thresholds and 5 V tolerance |
| 4 | GND1 | power_in | Ground reference for VCC1 input side supply |
| 5 | GND2 | power_in | Ground reference for VCC2 output side supply |
| 6 | OUTB | output | Isolated digital output for channel B with 4 mA output current capability |
| 7 | OUTA | output | Isolated digital output for channel A with 4 mA output current capability |
| 8 | VCC2 | power_in | Power supply for output side channels, 3.0 V to 5.5 V |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Signal Isolation Devices |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
ISO7420FEDR - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
iso7420fedr-etched.step/iso7420fedr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);iso7420fedr.step/iso7420fedr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (35 pp, sha256
fd2697d2a8652c8e, retrieved 2026-10-03, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(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).