PAM8303DBSC

@@ -0,0 +1,50 @@+# PAM8303DBSC++**Diodes Incorporated** · Audio Power OpAmps · MSOP-8++PAM8303DBSC from Diodes Incorporated, in a MSOP-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 | OUT+ | output | Positive BTL (bridge-tied load) Class-D switching output. Drives one terminal of the speaker via an optional ferrite-bead EMI filter. High-side PMOS / low-side NMOS output stage; RDS(on) ~365 mΩ typ at VDD=5V (MSOP/DFN). |+| 2 | PVDD | power_in | Power supply for the H-bridge output stage. Recommended operating range 2.8V to 5.5V (abs max 6.0V). Decouple with 1µF ceramic close to the pin plus a 10µF bulk cap; keep separate from analog VDD trace. |+| 3 | VDD | power_in | Analog power supply for the input amplifier, bias and reference. 2.8V to 5.5V operating; decouple with 1µF ceramic close to the pin. Route separately from PVDD back to the supply. |+| 4 | IN- | input | Negative differential audio input. AC-coupled through an input capacitor Ci and gain-setting resistor Ri; internal 150 kΩ feedback sets Gain = 2 × 150 kΩ / Ri (V/V). Input biased to VDD/2 internally. |+| 5 | IN+ | input | Positive differential audio input. AC-coupled through Ci and Ri; for single-ended sources the unused input is AC-grounded through Ci. Input biased to VDD/2 internally. |+| 6 | SD | input | Active-low shutdown terminal. Drive low (VIL ≤ 0.3V at VDD=5V) to place the device in shutdown (ISD ≈ 0.5µA typ); drive high (VIH ≥ 1.5V at VDD=5V) for normal operation. Do not leave floating. |+| 7 | GND | power_in | Device ground reference. Tie signal-ground return of input components to this pin, then to system ground; keep separated from power-stage ground return per layout guidelines. |+| 8 | OUT- | output | Negative BTL Class-D switching output. Drives the opposite speaker terminal from OUT+ (180° out of phase). Use an optional ferrite-bead + capacitor EMI filter for radiated emissions. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Diodes Incorporated |+| Package | MSOP-8 |+| Category | Op-amp/Cmp |+| Pins | 8 |++## Ordering variants++Same part, different packaging or reel option.++- `PAM8303DBSC`+- `PAM8303DBSCDBYC`++## CAD (KiCad official)++- Symbol: `PAM8303DBSC`+- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`+- 3D model: MSOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Diodes Incorporated datasheet](https://www.diodes.com/assets/Datasheets/PAM8303DBSC.pdf) (16 pp, sha256 `4ccb55a4051beba8`, retrieved 2026-08-17, tier: manufacturer)+- **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/pam8303dbsc-datasheet.pdf)

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