RS722PXK

@@ -0,0 +1,50 @@+# RS722PXK++**Jiangsu RUNIC Tech** · Operational Amplifier · SOP-8++RS722PXK from Jiangsu RUNIC Tech, in a SOP-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 channel A. Rail-to-rail output; can source/sink up to ~140 mA typical, short-circuit protected. |+| 2 | -INA | input | Inverting input, channel A. Rail-to-rail CMOS input; common-mode range -0.2V to +5.7V with Vs=5.5V. Input bias current ~1 pA typical. |+| 3 | +INA | input | Noninverting input, channel A. Rail-to-rail CMOS input; common-mode range -0.2V to +5.7V with Vs=5.5V. Input bias current ~1 pA typical. |+| 4 | V- | power_in | Negative (lowest) power supply. Connect to ground for single-supply operation; supports single-supply 2.5V to 5.5V or dual-supply ±1.25V to ±2.75V. |+| 5 | +INB | input | Noninverting input, channel B. Rail-to-rail CMOS input; common-mode range -0.2V to +5.7V with Vs=5.5V. Input bias current ~1 pA typical. |+| 6 | -INB | input | Inverting input, channel B. Rail-to-rail CMOS input; common-mode range -0.2V to +5.7V with Vs=5.5V. Input bias current ~1 pA typical. |+| 7 | OUTB | output | Output of amplifier channel B. Rail-to-rail output; can source/sink up to ~140 mA typical, short-circuit protected. |+| 8 | V+ | power_in | Positive (highest) power supply. Single-supply 2.5V to 5.5V, absolute max Vs=(V+)-(V-)=7V. Quiescent current ~1.1 mA per amplifier. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Jiangsu RUNIC Tech |+| Package | SOP-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++- `RS722PXK`+- `RS722PXKXM`+- `RS722PXKXQ`+- `RS722PXKXTDE8`++## CAD (KiCad official)++- Symbol: `RS722PXK`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Jiangsu RUNIC Tech datasheet](docs/rs722pxk-datasheet.pdf) (23 pp, sha256 `396034a195cebc33`, 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/rs722pxk-datasheet.pdf)

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