component
CA-IS3021G
Public Made by Adomby adom
Chipanalog I2C Isolators, SOIC-8-300mil. Datasheet-verified pinout, 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
markdownCA-IS3021G
Chipanalog · I2C Isolators · SOIC-8-300mil
CA-IS3021G from Chipanalog, in a SOIC-8-300mil. 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 | VDDA | power_in | A-side power supply input with 3.0V to 5.5V operating range. |
| 2 | SDAA | bidirectional | A-side bidirectional data line, open-drain output with 3.5mA maximum sink current at 40pF load capacity. |
| 3 | SCLA | input | A-side clock input with Schmitt trigger and 40pF maximum load capacitance. |
| 4 | GNDA | power_in | A-side ground reference. |
| 5 | GNDB | power_in | B-side ground reference. |
| 6 | SCLB | output | B-side clock output with open-drain configuration, 35mA maximum sink current at 400pF load capacity. |
| 7 | SDAB | bidirectional | B-side bidirectional data line, open-drain output with 35mA maximum sink current at 400pF load capacity. |
| 8 | VDDB | power_in | B-side power supply input with 3.0V to 5.5V operating range. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Chipanalog |
| Package | SOIC-8-300mil |
| Category | Signal Isolation Devices |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
CA-IS3021G - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8-300mil (KiCad packages3D, STEP)
- 3D model files:
ca-is3021g-etched.step/ca-is3021g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ca-is3021g.step/ca-is3021g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Chipanalog datasheet (22 pp, sha256
f22cb16e7b686413, retrieved 2026-09-18, 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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).