JRC4558

@@ -0,0 +1,43 @@+# JRC4558++**MSKSEMI** · Operational Amplifier · SOP-8++JRC4558 from MSKSEMI, 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 | Amplifier A output. Op-amp output with short-circuit protection; can source/sink up to 5 mA at typical VOH=13.4 V (VCC+=15 V, Iout=-5 mA). |+| 2 | IN1- | input | Amplifier A inverting input. Typical input bias current 50 nA, offset current 10 nA. Common-mode range from VCC- to (VCC+ - 1.5 V). |+| 3 | IN1+ | input | Amplifier A non-inverting input. Typical input bias current 50 nA. Common-mode range from VCC- to (VCC+ - 1.5 V). |+| 4 | VCC- | power_in | Negative supply / ground. Connect to GND for single-supply operation (VCC+ = 3 V to 30 V) or to -15 V for dual-supply operation (±15 V). Absolute maximum single-supply 36 V, dual-supply ±18 V. |+| 5 | IN2+ | input | Amplifier B non-inverting input. Typical input bias current 50 nA. Common-mode range from VCC- to (VCC+ - 1.5 V). |+| 6 | IN2- | input | Amplifier B inverting input. Typical input bias current 50 nA, offset current 10 nA. Common-mode range from VCC- to (VCC+ - 1.5 V). |+| 7 | OUT2 | output | Amplifier B output. Op-amp output with short-circuit protection; can source/sink up to 5 mA at typical VOH=13.4 V (VCC+=15 V, Iout=-5 mA). |+| 8 | VCC+ | power_in | Positive supply. Single-supply range 3 V to 30 V (VCC- = GND) or dual-supply +15 V. Typical quiescent current 0.5 mA at VCC+=5 V, 0.8 mA at VCC+=30 V. Absolute maximum single-supply 36 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | MSKSEMI |+| Package | SOP-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `JRC4558`+- 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:** [MSKSEMI datasheet](docs/jrc4558-datasheet.pdf) (7 pp, sha256 `e3e4998fc56208de`, 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/jrc4558-datasheet.pdf)

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