LY8261_12 Datasheet, PDF (1/18 Pages) Lyontek Inc. – 3.3W Stereo & FM Enhancement Class D Audio Power Amplifier

®
Rev. 1.5
LY8261
3.3W Stereo & FM Enhancement Class D Audio Power Amplifier
„ FEATURES
„ 3.3W/CH Into 4Ω from 5.5V power supply at
THD+N = 10%.
„ 2.2V~5.5V Power supply.
„ Support FM enhancement function.
„ Support headphone function.
„ Support mute function.
„ Low shutdown Current.
„ Low Quiescent Current.
„ Short-Circuit Protection and automatic recovery.
„ Over-Heat Protection and automatic recovery.
„ Minimum external components.
„ No output filter required for inductive loads.
„ Low noise during turn-on and turn-off transitions.
„ Lead free and green package available.
(RoHS Compliant)
„ Package : 16 pin 150 mil SOP.
„ APPLICATION
„ Portable electronic devices
„ Mobile phones, PDAs
„ DVD/CD Players, TFT LCD TVs/Monitors
„ USB Audio, Audio System
„ iPod dock.
„ PIN CONFIGURATION
„ GENERAL DESCRIPTION
The LY8261 is a high efficiency, high quality 3.3W
stereo class D audio power amplifier which can
operate FM enhance function to get good
performance in FM mode. It is a low noise, filterless
PWM architecture eliminates the output filter,
reducing external component count, system cost
(BOM cost), and simplify design.
The device was designed to meet of Multimedia
application includes mini speaker and other portable
electronic devices.
The LY8261 is a single 5.5V power supply, it is
capable of driving 4Ω speaker load at a continuous
average output of 3.3W/CH with 10% THD+N.
The device also features an internal thermal
shutdown protection and output pin short circuit
( short to output pin, short to ground and short to
VDD ) protection prevent the device from damage
during fault conditions.
The LY8261 is easily to be used in various portable
applications and products. such as FM speaker,
MP3, MP4 and MP5 media players.
LY8261 SOP16 Pin Configuration (Top View)
Lyontek Inc. reserves the rights to change the specifications and products without notice.
5F, No. 2, lndustry E . Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan
TEL: [phone]
FAX: [phone]
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