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TPA3123D2PWPRG4 데이터시트(PDF) 1 Page - Texas Instruments |
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TPA3123D2PWPRG4 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 30 page 1 F m SD MuteControl PVCCL TPA3123D2 TPA3120D2 SIMPLIFIED APPLICATIONCIRCUIT PVCCR VCLAMP GAIN1 BYPASS 1 F m 1 F m 0.22 F m AGND LeftChannel RightChannel 10Vto30V 10Vto30V }4-StepGain Control Shutdown Control LIN RIN BSR BSL PGNDR PGNDL 0.22 F m 22 H m 22 H m 0.68 F m 470 F m 0.68 F m 1 F m 470 F m GAIN0 AVCC MUTE ROUT LOUT TPA3123D2 www.ti.com SLOS541C – JULY 2007 – REVISED AUGUST 2010 25-W STEREO CLASS-D AUDIO POWER AMPLIFIER Check for Samples: TPA3123D2 1 FEATURES APPLICATIONS • Televisions 2 • 25-W/ch into a 4- Ω Load from a 27-V Supply • 20-W/ch into a 4- Ω Load from a 24-V Supply DESCRIPTION • Operates from 10 V to 30 V The TPA3123D2 is a 25-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 • Internal Oscillator (No External Components TPA3123D2 can drive stereo speakers as low as 4 Ω. The efficiency of the TPA3123D2 eliminates the need Required) for an external heat sink when playing music. • Single-Ended Analog Inputs The gain of the amplifier is controlled by two gain • Thermal and Short-Circuit Protection With select pins. The gain selections are 20, 26, 32, Auto Recovery 36 dB. • Space-Saving Surface-Mount 24-Pin TSSOP The patented start-up and shut-down sequences Package minimize pop noise in the speakers without additional • Pin-to-Pin compatible with TPA3120D2 circuitry. • Advanced Power-Off Pop Reduction 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 System Two, Audio Precision are trademarks of Audio Precision, Inc. PRODUCTION DATA information is current as of publication date. Copyright © 2007–2010, 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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