PAM8945 Series

4.0W Class-G Audio Amplifier with Integrated Boost Converter and Battery Tracking AGC

Catalog

4.0W Class-G Audio Amplifier with Integrated Boost Converter and Battery Tracking AGC

Part	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Supply [Min]	Voltage - Supply [Max]	Max Output Power x Channels @ Load [custom]	Max Output Power x Channels @ Load	Mounting Type	Supplier Device Package	Features	Package / Case	Output Type	Type
Diodes Inc PAM8945PJR	85 °C	-40 °C	2.8 V	5.2 V	1	4 W	Surface Mount	W-QFN2030-12	Short-Circuit and Thermal Protection Shutdown	12-PowerWFQFN	1-Channel (Mono)	Class G

Catalog

4.0W Class-G Audio Amplifier with Integrated Boost Converter and Battery Tracking AGC

Key Features

• Built-in Battery Tracking Automatic Gain Control (AGC)

• High-Efficiency Integrated Boost Converter Over 85%

• 0W into a 4Ω Load at 10% THD

• 2W into a 4Ω Load at 1% THD

• Operates from 2.8V to 5.2V

• Efficient Class-G Prolongs Battery Life

• Minimized ON/OFF Pop Noise

• Superior Low Noise

• High PSRR

• DC Input Protection

• Auto-Recovery Short-Circuit Protection

• Thermal Shutdown

• Available in 2.0mm x 3.0mm 12L W-QFN Package

• Totally Lead-Free & Fully 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), pleasecontact usor your local Diodes representative.https://www.diodes.com/quality/product-definitions/

Description

The PAM8945 is a high-efficiency Class-G audio power amplifier with an integrated boost converter. It drives up to 4.0W (10% THD+N) into a 4Ω speaker. With 85% typical efficiency, the PAM8945 helps extend battery life when playing audio.