KBA2338 Datasheet 3w F Ilterless C Lass-d Audio Power Amplifier

Manufacturer: Kingbor Technology

Overview: Kingbor Technology Co.,Ltd TEL:(86)0755-26508846 FAX:(86)0755-26509052 KBA2338 www.DataSheet4U.

Datasheet Details

Part number	KBA2338
Manufacturer	Kingbor Technology
File Size	288.44 KB
Description	3W F ilterless C lass-D Audio Power Amplifier
Datasheet	KBA2338_KingborTechnology.pdf

General Description

The kB2338A is a high efficiency, 3W mono class-D audio power amplifier.

A low noise, filterless PWM architecture eliminates the output filter, reducing external component count, system cost, and simplifying design.

Operating in a single 5V supply, kB2338A is capable of driving 4ȍ speaker load at a continuous average output of 3W/10% THD+N or 2W/1% THD+N.

Key Features

z z Unique Modulation Scheme Reduces EMI Emissions Efficiency at 3.6V With an 8-ȍ Speaker: í 88% at 400 mW í 80% at 100 mW Low 2.38-mA Quiescent Current and 0.5-µA Shutdown Current 2.5V to 6.0V Wide Supply Voltage Optimized PWM Output Stage Eliminates LC Output Filter Improved PSRR (í72 dB) Eliminates Need for a Voltage Regulator Fully Differential Design Reduces RF Rectification and Eliminates Bypass Capacitor Improved CMRR Eliminates Two Input Coupling Capacitors Internally Generated 250-kHz S.

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