SC8002B from Shenzhen Fuman, 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	SHUTDOWN	input	Shutdown control input. Drive high (near VDD) to place the amplifier in low-power shutdown mode (IQ ≈ 0.6µA). A pull-up resistor is recommended when driven by a switch to avoid indeterminate intermediate levels.
2	BYPASS	passive	Internal bias reference (VDD/2) bypass. Connect a 1µF capacitor to GND placed close to the IC to stabilize the internal mid-supply bias and improve PSRR. Larger CB values further improve PSRR.
3	+IN	input	Non-inverting audio input to the first internal op-amp. Typically referenced to the BYPASS node in single-ended input applications.
4	-IN	input	Inverting audio input to the first internal op-amp. Combined with Rf and Ri sets closed-loop gain AVD = 2 × (Rf/Ri); typical Rf = Ri = 20kΩ for AVD = 2.
5	VO1	output	Bridge-tied-load audio output 1 (first op-amp output). Connect one side of the speaker (typ. 4Ω or 8Ω) between VO1 and VO2; no output DC blocking capacitor is required.
6	VDD	power_in	Positive supply input, 2.0V to 5.0V (absolute max 5.5V). Bypass with a 1µF tantalum (Cs) to GND close to the pin.
7	GND	power_in	Ground / 0V reference for the amplifier and bias network.
8	VO2	output	Bridge-tied-load audio output 2 (second op-amp output, fixed gain AV = -1, inverted with respect to VO1). Connect the other side of the speaker between VO2 and VO1.

Key specifications

Parameter	Value
Manufacturer	Shenzhen Fuman
Package	SOP-8
Category	Op-amp/Cmp
Pins	8

CAD (KiCad official)

Symbol: SC8002B
Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
3D model: SOP-8 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File	Size	Use it when
`sc8002b.step`	122 KB	You want the bare part, or you mark your own boards.
`sc8002b-etched.step`	2.2 MB	You want the part with `SC8002B` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 508 faces against 147 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Shenzhen Fuman datasheet (6 pp, sha256 5e481ab2fb5cf65b, 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