FM8002E

@@ -0,0 +1,43 @@+# FM8002E++**Shenzhen Fuman** · Audio Power OpAmps · SOP-8-150mil++FM8002E from Shenzhen Fuman, in a SOP-8-150mil. 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 | SHUTDOWN | input | Shutdown control input. Drive high (=VDD) to disable the amplifier and drop supply current to ~4.2 µA; drive low to enable normal operation. Must be driven to a valid logic level (a pull-up resistor is recommended when driven by a single-pole switch). |+| 2 | BYPASS | passive | Internal bias voltage reference (VDD/2) bypass node. Connect a 1.0 µF capacitor (CB) to GND as close as possible to the device to stabilize the internal bias and improve PSRR. Larger capacitance further improves PSRR. |+| 3 | +IN | input | Non-inverting audio input of the first op-amp. Typically biased to VDD/2 via the internal Bypass network in the standard inverting-gain configuration. |+| 4 | -IN | input | Inverting audio input of the first op-amp. Connect via Ci (0.1-0.39 µF) to the audio source and via Rf to VO1; closed-loop differential gain is AVD = 2 × (Rf/Ri). |+| 5 | VO1 | output | BTL speaker output 1 (positive side of the bridge). Drives one terminal of the load (typ. 4-8 Ω); no external DC-blocking capacitor is required. |+| 6 | VDD | power_in | Positive supply. Operating range 1.6 V to 6 V (typ. 5 V); decouple with a 1.0 µF tantalum capacitor (Cs) to GND close to the pin. |+| 7 | GND | power_in | Device ground return. Connect to the system analog ground plane. |+| 8 | VO2 | output | BTL speaker output 2 (negative side of the bridge). Driven by the internal fixed-gain second op-amp 180° out of phase with VO1 to double the swing across the load. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Shenzhen Fuman |+| Package | SOP-8-150mil |+| Category | Op-amp/Cmp |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `FM8002E`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8-150mil (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Shenzhen Fuman datasheet](docs/fm8002e-datasheet.pdf) (6 pp, sha256 `47f8d9bc8ff76c50`, 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/fm8002e-datasheet.pdf)

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