NS8002

@@ -0,0 +1,44 @@+# NS8002++**Shenzhen Nsiway Tech** · Audio Power OpAmps · SOP-8++NS8002 from Shenzhen Nsiway 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 | SD | input | Shutdown control pin. Active-high shutdown: drive HIGH to disable the amplifier (low-power mode, typ. 1µA), drive LOW to enable normal operation. Must not be left floating. |+| 2 | Bypass | passive | Internal common-mode (VCC/2) bias bypass. Connect a 1.0µF capacitor from this pin to GND to filter the mid-rail reference and improve PSRR. |+| 3 | +IN | input | Non-inverting analog audio input to the internal op-amp. Typically AC-coupled through an input capacitor. |+| 4 | -IN | input | Inverting analog audio input to the internal op-amp. Used with an external feedback resistor (Rf) and input resistor (Ri) to set the closed-loop gain. |+| 5 | VO1 | output | Analog audio output 1 - one leg of the BTL bridge to the loudspeaker. Connect directly to one terminal of the 4Ω/8Ω load (no output coupling capacitor required). |+| 6 | VDD | power_in | Positive supply voltage input. Operating range 3.0V to 5.25V (abs-max 2.8-5.5V). Decouple with a 1.0µF tantalum (Cs) close to the pin. |+| 7 | GND | power_in | Power/ground return. Connect to the system ground plane. |+| 8 | VO2 | output | Analog audio output 2 - the second (inverted, Av=-1) leg of the BTL bridge to the loudspeaker. Connect directly to the other terminal of the 4Ω/8Ω load. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Shenzhen Nsiway Tech |+| Package | SOP-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `NS8002`+- 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:** [Shenzhen Nsiway Tech datasheet](docs/ns8002-datasheet.pdf) (14 pp, sha256 `abdf6c36ebb2278b`, 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/ns8002-datasheet.pdf)

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