TMPA420DS Datasheet, PDF (1/14 Pages) List of Unclassifed Manufacturers – 15W/Ch STEREO CLASS-D AUDIO POWER AMPLIFIER

tai'mec
Preliminary
www.taimec.com.tw / www.class-d.com.tw
TMPA420DS
Rev.3.0 August 15, 2007
15W/Ch STEREO CLASS-D AUDIO POWER AMPLIFIER
GENERAL DESCRIPTION
FEATURES
The TMPA420DS is a Bridge-Tied-Load (BTL) output Class-D
audio power amplifier for driving speakers with high power
♦ 15W/Ch Stereo Class-D Output
♦ Power efficiency is up to 82%
efficiency. It is able to drive 4Ω, 6Ω, 8Ω or 16Ω speakers.
The output power can be up to 15W per channel. No external
heat-sink is necessary.
♦ Convenient gain control
♦ Time delay for de-pop control
♦ Thermal Protection
The gain of the amplifier is defined by either gain0/gain1
gain control or by input resistance. Thermal protection and
short-circuit protection are integrated for safety purpose.
♦ Output Pin Short-Circuit Protection
♦ Low Quiescent Current (10mA Typical at 12V)
♦ Low Current in Shutdown Mode (<1µA Typical)
The internal de-pop circuitry eliminates pop noise at
power-up & shutdown operations.
♦ Separate VCC & PVCC
♦ Regulated 5-V Supply Output
APPLICATIONS
LCD Monitors, TVs, DVD Players and Powered Speakers
PACKAGE
QFN48 available
For best performance, please refer to
http://www.taimec.com.tw/English/EVM.htm
http://www.class-d.com.tw/English/EVM.htm
for PCB layout.
REFERENCE CIRCUIT
Copyright ©2005,Tai-1 Microelectronics Corp.
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