MS8552

@@ -0,0 +1,44 @@+# MS8552++**Hangzhou Ruimeng Tech** · Precision OpAmps · SOP-8++MS8552 from Hangzhou Ruimeng 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 | Amplifier A output. Rail-to-rail; swings within a few mV of the supply rails with a 10k or 100k load. |+| 2 | -INA | input | Amplifier A inverting input. High-impedance CMOS input, 20pA typ input bias current, common-mode range 0V to VS. |+| 3 | +INA | input | Amplifier A non-inverting input. High-impedance CMOS input, 20pA typ input bias current, common-mode range 0V to VS. |+| 4 | -VS | power_in | Negative supply / ground. Typically tied to GND for single-supply operation; total supply (VS to -VS) range is 2.5V to 5.5V. |+| 5 | +INB | input | Amplifier B non-inverting input. High-impedance CMOS input, 20pA typ input bias current, common-mode range 0V to VS. |+| 6 | -INB | input | Amplifier B inverting input. High-impedance CMOS input, 20pA typ input bias current, common-mode range 0V to VS. |+| 7 | OUTB | output | Amplifier B output. Rail-to-rail; swings within a few mV of the supply rails with a 10k or 100k load. |+| 8 | +VS | power_in | Positive supply. Single-supply range 2.5V to 5.5V referenced to -VS. Quiescent current 400µA/channel typ. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Hangzhou Ruimeng Tech |+| Package | SOP-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `MS8552`+- 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:** [Hangzhou Ruimeng Tech datasheet](docs/ms8552-datasheet.pdf) (16 pp, sha256 `afd06b3ec4fea5da`, 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/ms8552-datasheet.pdf)

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