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ISO1211D
Public Made by Adomby adom
Texas Instruments Interface - Specialized, 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
markdownISO1211D
Texas Instruments · Interface - Specialized · SOIC-8
ISO1211D 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 control side, 2.25V to 5.5V operating range |
| 2 | EN | input | Output enable input; when high or open circuit, enables output pins; when low, places output in high-impedance state |
| 3 | OUT | output | Channel digital output to control side |
| 4 | GND1 | power_in | Ground return connection for VCC1 power supply |
| 5 | SUB | passive | Internal connection to input chip substrate; connect to 2mm x 2mm floating copper pad for thermal performance, do not connect to FGND or any other signal/plane |
| 6 | FGND | power_in | Field side ground reference |
| 7 | IN | input | Field side current input; accepts 24V to 60V DC or AC digital input signals with internal current limiting |
| 8 | SENSE | input | Field side voltage sense input; monitors input signal voltage level for threshold comparison and detection |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Communication Interface Chip/UART/485/232 |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
ISO1211D - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
iso1211d-etched.step/iso1211d-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);iso1211d.step/iso1211d.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (46 pp, sha256
06a6a27831b66423, retrieved 2026-10-01, 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, 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).