RS358AXk

@@ -0,0 +1,49 @@+# RS358AXk++**Jiangsu RUNIC Tech** · Operational Amplifier · SOIC-8++RS358AXk from Jiangsu RUNIC Tech, 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 | OUTA | output | Output of amplifier A. Rail-to-rail output, capable of sourcing up to ~130mA. Swings within 8mV of rail with RL=10kΩ and 25mV with RL=2kΩ. |+| 2 | -INA | input | Inverting input of amplifier A. Rail-to-rail input, common-mode voltage range -0.1V to +5.6V with Vs=5.5V. Ultra-low input bias current (~10pA typical). |+| 3 | +INA | input | Non-inverting input of amplifier A. Rail-to-rail input, common-mode voltage range -0.1V to +5.6V with Vs=5.5V. Ultra-low input bias current (~10pA typical). |+| 4 | V- | power_in | Negative supply pin (or ground for single-supply operation). Total supply range V+ to V- is 2.5V to 5.5V. Absolute maximum V+ to V- is 7.0V. |+| 5 | +INB | input | Non-inverting input of amplifier B. Rail-to-rail input, common-mode voltage range -0.1V to +5.6V with Vs=5.5V. Ultra-low input bias current (~10pA typical). |+| 6 | -INB | input | Inverting input of amplifier B. Rail-to-rail input, common-mode voltage range -0.1V to +5.6V with Vs=5.5V. Ultra-low input bias current (~10pA typical). |+| 7 | OUTB | output | Output of amplifier B. Rail-to-rail output, capable of sourcing up to ~130mA. Swings within 8mV of rail with RL=10kΩ and 25mV with RL=2kΩ. |+| 8 | V+ | power_in | Positive supply pin. Operating supply range 2.5V to 5.5V referenced to V-. Absolute maximum V+ to V- is 7.0V. Bypass with 0.1uF close to the pin. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Jiangsu RUNIC Tech |+| Package | SOIC-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++- `RS358AXK`+- `RS358AXkRS358AXM`+- `RS358AXkRS358AXQ`++## CAD (KiCad official)++- Symbol: `RS358AXk`+- 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:** [Jiangsu RUNIC Tech datasheet](docs/rs358axk-datasheet.pdf) (10 pp, sha256 `4846f1da0efeb36a`, retrieved 2026-08-17, tier: lcsc)+- **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/rs358axk-datasheet.pdf)

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