JRC4558D

@@ -0,0 +1,47 @@+# JRC4558D++**UMW** · Operational Amplifier · SOP-8++JRC4558D from UMW, 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 | OUT1 | output | Output of op-amp A. Drives loads down to 2 kΩ with ±13 V typical output swing on ±15 V supplies; short-circuit current 40-80 mA. |+| 2 | IN1- | input | Inverting input of op-amp A. Typical input bias current 25 nA, input offset voltage 2 mV (Rs < 10 kΩ). |+| 3 | IN1+ | input | Non-inverting (in-phase) input of op-amp A. Common-mode input voltage range typically ±14 V on ±15 V supplies. |+| 4 | VEE | power_in | Negative supply rail. Rated to −18 V max; typical operation at −15 V. Supply current 3.5 mA typical (both amplifiers). |+| 5 | IN2+ | input | Non-inverting (in-phase) input of op-amp B. Common-mode input voltage range typically ±14 V on ±15 V supplies. |+| 6 | IN2- | input | Inverting input of op-amp B. Typical input bias current 25 nA, input offset voltage 2 mV (Rs < 10 kΩ). |+| 7 | OUT2 | output | Output of op-amp B. Drives loads down to 2 kΩ with ±13 V typical output swing on ±15 V supplies; short-circuit current 40-80 mA. |+| 8 | VCC | power_in | Positive supply rail. Rated to +18 V max; typical operation at +15 V. Bypass to VEE with a local decoupling capacitor. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | UMW |+| Package | SOP-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++- `JRC4558D`++## CAD (KiCad official)++- Symbol: `JRC4558D`+- 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:** [UMW datasheet](docs/jrc4558d-datasheet.pdf) (9 pp, sha256 `fea0f3600e8f1c74`, 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/jrc4558d-datasheet.pdf)

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