HGV8541M

@@ -0,0 +1,54 @@+# HGV8541M++**HGSEMI** · Operational Amplifier · SOP-8++HGV8541M from HGSEMI, 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 | NC | unconnected | No internal connection. Leave floating or tie to ground for best PCB practice. |+| 2 | -IN | input | Inverting input of the operational amplifier. Rail-to-rail input range from GND (0 V) to VS (up to 5.5 V). Very low input bias current (4 pA typ) enables high-impedance source usage. |+| 3 | +IN | input | Non-inverting input of the operational amplifier. Rail-to-rail common-mode range from GND (0 V) to VS. Very low input bias current (4 pA typ). |+| 4 | V- | power_in | Negative supply / ground pin. Tie to GND in single-supply operation, or to the negative rail in split-supply operation. Total supply span (V+ minus V-) must not exceed 6 V absolute maximum. |+| 5 | NC | unconnected | No internal connection. Leave floating or tie to ground for best PCB practice. |+| 6 | OUT | output | Rail-to-rail amplifier output. Drives up to ~15 mA (VOUT = VS - 1 V) with short-circuit current ±20 mA. Closed-loop output impedance ~50 Ω at 200 kHz, AV=1. |+| 7 | V+ | power_in | Positive supply pin. Single-supply operation from 2.7 V to 5.5 V (absolute maximum 6 V). Supply current is only 45 uA typical per amplifier. Decouple with a local 0.1 uF ceramic capacitor to V-. |+| 8 | NC | unconnected | No internal connection. Leave floating or tie to ground for best PCB practice. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HGSEMI |+| Package | SOP-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++Same part, different packaging or reel option.++- `HGV8541MM5`+- `HGV8541MM7`+- `HGV8541MM`+- `HGV8541MMM`+- `HGV8541MDQ3`++## CAD (KiCad official)++- Symbol: `HGV8541M`+- 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:** [HGSEMI datasheet](docs/hgv8541m-datasheet.pdf) (23 pp, sha256 `eef28e61ba02a7d3`, 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/hgv8541m-datasheet.pdf)

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