ISO7720FDR

@@ -0,0 +1,52 @@+# ISO7720FDR++**Texas Instruments** · Digital Isolators · SOIC-8++ISO7720FDR from Texas Instruments, in a SOIC-8. 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 | VCC1 | power_in | Input-side power supply, 2.25 V to 5.5 V. Bypass with a low-ESR ceramic capacitor to GND1 close to the pin. |+| 2 | INA | input | Digital input for channel A. LVCMOS/CMOS-compatible; VIH = 0.7 x VCC1, VIL = 0.3 x VCC1. Default output HIGH if input floats or supply is lost. |+| 3 | INB | input | Digital input for channel B. LVCMOS/CMOS-compatible; VIH = 0.7 x VCC1, VIL = 0.3 x VCC1. Default output HIGH if input floats or supply is lost. |+| 4 | GND1 | power_in | Ground reference for VCC1 (input side). |+| 5 | GND2 | power_in | Ground reference for VCC2 (output side). |+| 6 | OUTB | output | Digital output for channel B, referenced to VCC2/GND2. IOH = -4 mA (5 V), -2 mA (3.3 V), -1 mA (2.5 V); IOL = 4 mA (5 V), 2 mA (3.3 V), 1 mA (2.5 V). |+| 7 | OUTA | output | Digital output for channel A, referenced to VCC2/GND2. IOH = -4 mA (5 V), -2 mA (3.3 V), -1 mA (2.5 V); IOL = 4 mA (5 V), 2 mA (3.3 V), 1 mA (2.5 V). |+| 8 | VCC2 | power_in | Output-side power supply, 2.25 V to 5.5 V. Bypass with a low-ESR ceramic capacitor to GND2 close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Comm/UART |+| Pins | 8 |++## Ordering variants++- `ISO7720FDR`+- `ISO7720FDRISO7720DWV`+- `ISO7720FDRISO7720FDWV`+- `ISO7720FDRISO7720DW`+- `ISO7720FDRISO7720FDW`++## CAD (KiCad official)++- Symbol: `ISO7720FDR`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](docs/iso7720fdr-datasheet.pdf) (38 pp, sha256 `6cd4876010fb4841`, retrieved 2026-08-17, 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:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/iso7720fdr-datasheet.pdf)

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