LY8209_13 Datasheet, PDF (1/17 Pages) Lyontek Inc. – 3.3W/CH Stereo Class D Audio Power Amplifier

®
Rev. 1.2
LY8209
3.3W/CH Stereo Class D Audio Power Amplifier
„ FEATURES
„ 3.3W Stereo into 4Ω from 5.5V power supply at
THD+N = 10% (Typ.).
„ 2.0W Stereo into 8Ω from 5.5V power supply at
THD+N = 10% (Typ.).
„ 2.5V~5.5V Power supply.
„ Low shutdown current.
„ Low quiescent current.
„ Output pin 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 : 10pin 150mil MSOP
(without thermal pad) available.
„ APPLICATION
„ Portable electronic devices.
„ Mobile phones.
„ USB audio.
„ Speaker docking.
„ Bluetooth speaker.
„ GENERAL DESCRIPTION
The LY8209 is a high efficiency, high quality 3.3W
stereo class D audio power amplifier. It is a low
noise, filterless PWM architecture eliminates the
output filter, reducing external component count,
system cost, and simplify design.
The device is designed to meet of Multimedia
application includes mobile phones 、mini speaker
and other portable electronic devices.
The LY8209 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
protection prevent the device from damage during
fault conditions.
The LY8209 is easily to be used in various portable
applications and products.
„ PIN CONFIGURATION
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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