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TMPA401DM Datasheet

  • TMPA401DM

  • 15-W MONO CLASS-D AUDIO POWER AMPLIFIER

  • 221.16KB

  • 12頁

  • ETC

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Tai-1 Microelectronics
www.taimec.com.tw
TMPA401DM
May 25, 2005
15-W MONO CLASS-D AUDIO POWER AMPLIFIER
GENERAL DESCRIPTION
The TMPA401DM is a bridged-tied (BTL) Class-D audio
amplifier for driving speakers with high power efficiency. It
can drive 4惟, 6惟, 8惟 or 16惟 speakers. The output power
can be up to 15W. No external heat-sink is necessary.
The gain of the amplifier is defined by input resistance. The
internally fully differential input structure provides good
common mode rejection and power supply rejection.
Thermal
protection
and
short-circuit
protection
are
FEATURES
鈾?/div>
15-W Class-D Output
鈾?/div>
Power efficiency is up to 82%
鈾?/div>
Time delay for de-pop control
鈾?/div>
Thermal Protection
鈾?/div>
Output Pin Short-Circuit Protection (Short to
Other Outputs, Short to VCC, Short to Ground)
鈾?/div>
Differential / Single-Ended Input
鈾?/div>
Low Supply Current (5mA Typical at 12V)
鈾?/div>
Low Current in Shutdown Mode (<1碌A Typical)
鈾?/div>
Separate VCC & PVCC
integrated for safety purpose.
The internal de-pop circuitry eliminates pop noise at
power-up & shutdown operations.
PACKAGE
TSSOP20 available
APPLICATIONS
LCD Monitors, TVs, DVD Players and Powered Speakers
For best performance, please refer to
http://www.taimec.com.tw/data/Tmpa401EVM/tmpa401dmEVM.pdf
for PCB layout.
REFERENCE CIRCUIT
Copyright
漏2004,Tai-1
Microelectronics Corp.
1
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