Diodes Incorporated — Analog and discrete power solutions
W QFN5050 32

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details. W-QFN5050-32 (Standard)

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PAM8620

20W Stereo Class D with NCPL and Higher VDD

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Description

The PAM8620 is a 20W (per channel) stereo Class-D audio amplifier which offers low THD+N (0.2%), low EMI and good PSRR thus high-quality sound reproduction.

The PAM8620 runs off of an 8V to 26V supply at much higher efficiency.

The PAM8620 only requires very few external components, significantly saving cost and board space.

The PAM8620 is available in a small W-QFN5050-32 (Standard) package.

Feature(s)

  • 30W x 2 into a 8Ω Speaker Music Playing at VCC = 24V
  • 20W x 2 into a 4Ω or 8Ω Speaker with Continuous Power
  • Low Noise: -90dB
  • Over 90% Efficiency
  • Shutdown/Mute Function
  • Overcurrent, OVP, UVLO, Thermal and Short-Circuit Protection
  • Low THD+N
  • Power Limit with Non-Clip
  • Low Quiescent Current
  • Pop Noise Suppression
  • Small Package Outlines: W-QFN5050-32 (Standard)
  • Lead-Free Finish; RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3)
  • For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/

Application(s)

  • Flat monitors/LCD TVs
  • Multi-media speaker systems
  • DVD players, game machines
  • Boom boxes
  • Music instruments

Specifications & Technical Documents

Product Parameters

Compliance (Only Automotive Supports PPAP)

Standard

AEC Qualified

No

Input Type

Analog In

Category

Speaker Amplifier

Minimum VDD (V)

8

Maximum VDD (V)

26 V

Mono or Stereo

Stereo

Architecture

Class D

IQ (mA)

16.5 mA

Minimum Load (Ω)

4

Control Interface

Hardware

Power/CH (W) @ THD=10%

23

Power/CH (W) @ THD=1%

18.5

Headphone Out

No

Efficiency (%)

90 %

SNR

90 dB

Related Content

Packages

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Purchase & Availability

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Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2770 2025-10-30 2025-10-30 Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products