MS8311

@@ -0,0 +1,47 @@+# MS8311++**Hangzhou Ruimeng Tech** · Precision OpAmps · SOT-23-5++MS8311 from Hangzhou Ruimeng Tech, in a SOT-23-5. 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 | OUT | output | Amplifier output. Rail-to-rail output stage; short-circuit current typ. +/-80 mA at Vs=5 V. |+| 2 | -Vs | power_in | Negative supply / ground reference (VSS). Tie to GND for single-supply 2.7-5.5 V operation. |+| 3 | +IN | input | Non-inverting input. Rail-to-rail input range (0 V to Vs); input bias current 1 pA max. |+| 4 | -IN | input | Inverting input. Rail-to-rail input range (0 V to Vs); input bias current 1 pA max; differential input voltage rating +/-6 V. |+| 5 | +Vs | power_in | Positive supply (VDD). 2.7 V to 5.5 V single-supply; absolute maximum 6 V. Quiescent current typ. 1.5 mA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Hangzhou Ruimeng Tech |+| Package | SOT-23-5 |+| Category | Op-amp/Cmp |+| Pins | 5 |++## Ordering variants++- `MS8311`+- `MS8311MS8312`+- `MS8311MS8312M`++## CAD (KiCad official)++- Symbol: `MS8311`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Hangzhou Ruimeng Tech datasheet](docs/ms8311-datasheet.pdf) (18 pp, sha256 `23d2a5bcc3ad0345`, 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/ms8311-datasheet.pdf)

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