PAM8406DR

@@ -0,0 +1,55 @@+# PAM8406DR++**Diodes Incorporated** · Audio Power OpAmps · SOIC-16++PAM8406DR from Diodes Incorporated, in a SOIC-16. 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_L | output | Left channel positive (non-inverting) speaker output from the BTL power stage. Drives one terminal of the left speaker load (2Ω/4Ω/8Ω) in Class-D or Class-AB mode. |+| 2 | PGNDL | power_in | Power ground return for the left channel Class-D/AB output stage. Should be tied to the main system ground plane with low-impedance routing. |+| 3 | -OUT_L | output | Left channel negative (inverting) speaker output from the BTL power stage. Second terminal of the left speaker load, differential with +OUT_L. |+| 4 | PVDDL | power_in | Power supply input for the left channel output stage (2.5V-5.5V). Bypass locally with ceramic capacitors close to the pin. |+| 5 | MUTE | input | Active-low mute control input. Drive low to mute both channels; drive high (VIH ≥ 1.4V) for normal operation. VIL ≤ 0.4V at VDD = 5.0V. |+| 6 | VDD | power_in | Analog VDD supply for the internal small-signal circuitry (2.5V-5.5V). Bypass to GND with a low-ESR ceramic capacitor. |+| 7 | INL | input | Left channel single-ended audio input. AC-coupled through an external input capacitor to set the high-pass corner; internally biased to VDD/2. |+| 8 | VREF | passive | Internal analog reference (mid-supply bias) output. Connect a bypass capacitor from VREF to GND for PSRR and low-noise operation. |+| 9 | MODE | input | Output mode select. Logic high (≥1.4V) selects Class-D filterless output; logic low (≤0.4V) selects Class-AB output. |+| 10 | INR | input | Right channel single-ended audio input. AC-coupled through an external input capacitor to set the high-pass corner; internally biased to VDD/2. |+| 11 | GND | power_in | Analog ground return for the small-signal front end and reference circuitry. Tie to the system ground plane. |+| 12 | SHDN | input | Active-low shutdown control. Drive low to place the device in low-current shutdown (ISD < 1µA); drive high (≥1.4V) to enable. VIL ≤ 0.4V at VDD = 5.0V. |+| 13 | PVDDR | power_in | Power supply input for the right channel output stage (2.5V-5.5V). Bypass locally with ceramic capacitors close to the pin. |+| 14 | -OUT_R | output | Right channel negative (inverting) speaker output from the BTL power stage. Second terminal of the right speaker load, differential with +OUT_R. |+| 15 | PGNDR | power_in | Power ground return for the right channel Class-D/AB output stage. Tie to the main system ground plane with low-impedance routing. |+| 16 | +OUT_R | output | Right channel positive (non-inverting) speaker output from the BTL power stage. Drives one terminal of the right speaker load (2Ω/4Ω/8Ω) in Class-D or Class-AB mode. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Diodes Incorporated |+| Package | SOIC-16 |+| Category | Op-amp/Cmp |+| Pins | 16 |++## Ordering variants++- `PAM8406DR`++## CAD (KiCad official)++- Symbol: `PAM8406DR`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Diodes Incorporated datasheet](https://www.diodes.com/assets/Datasheets/PAM8406DR.pdf) (13 pp, sha256 `45fdb7cfce8744ac`, 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/pam8406dr-datasheet.pdf)

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