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TPA3125D2N Fiches technique(PDF) 1 Page - Texas Instruments |
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TPA3125D2N Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 26 page 1 FEATURES APPLICATIONS DESCRIPTION 1 F m SD MuteControl PVCCL TPA3125D2 SIMPLIFIED APPLICATIONCIRCUIT PVCCR VCLAMP GAIN1 BYPASS 1 F m 1 F m 0.22 F m AGND LeftChannel RightChannel 10Vto26V 10Vto26V 4-StepGainControl ShutdownControl LIN RIN BSR BSL PGNDR PGNDL 0.22 F m 33 H m 33 H m 470 F m 0.22 F m 1 F m 470 F m GAIN0 AVCC MUTE ROUT LOUT S0267-02 0.22 F m TPA3125D2 www.ti.com ........................................................................................................................................................................................... SLOS611 – DECEMBER 2008 10-W STEREO CLASS-D AUDIO POWER AMPLIFIER • Flat Panel Televisions 234 • 10-W/Ch (stereo SE) into an 8-Ω Load From a 24-V Supply • DLP® TVs • CRT TVs • 20-W/Ch (mono BTL) into an 8-Ω Load from a 24-V Supply • Powered Speakers • Operates From 10 V to 26 V • Operates From +24 V LCD Backlight Supply The TPA3125D2 is a 10-W (per channel), efficient, • Efficient Class-D Operation Eliminates Need class-D audio power amplifier for driving stereo for Heat Sinks speakers in a single-ended configuration; or, a mono • Four Selectable, Fixed-Gain Settings speaker in a bridge-tied-load configuration. The • Single-Ended Analog Inputs TPA3125D2 can drive stereo speakers as low as 4 Ω. The efficiency of the TPA3125D2 eliminates the need • Thermal and Short-Circuit Protection With for an external heat sink when playing music. The Auto Recovery gain of the amplifier is controlled by two gain select • 20-Pin DIP Package pins. The gain selections are 20, 26, 32, and 36 dB. • Advanced Power-Off Pop Reduction The patented start-up and shutdown sequences minimize pop noise in the speakers without additional circuitry. The thru-hole package allows placement on single-sided printed circuit boards. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 DLP is a registered trademark of Texas Instruments. 3 System Two, Audio Precision are trademarks of Audio Precision, Inc. 4 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2008, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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