전자부품 데이터시트 검색엔진 |
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TPA2012D2 데이터시트(PDF) 1 Page - Texas Instruments |
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TPA2012D2 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 15 page RTJ YZH www.ti.com FEATURES APPLICATIONS DESCRIPTION Shutdown Control TPA4411 SDR SDL G0 G1 AVDD TPA2012D2 TLV320AIC26 or TLV320AIC28 INR+ INR− HPL or SPK1 HPR or SPK2 CS To Battery PVDD INL+ INL− PGND AGND OUTR+ OUTR− OUTL+ OUTL− Gain Control APPLICATION CIRCUIT TPA2012D2 SLOS438 – DECEMBER 2004 2.1 W/CH STEREO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER • Wireless or Cellular Handsets and PDAs • 2.1 W/Ch Into 4 Ω at 5 V • Portable DVD Player • 1.4 W/Ch Into 8 Ω at 5 V • Notebook PC • 720 mW/Ch Into 8 Ω at 3.6 V • Portable Radio • Only Two External Components Required • Portable Gaming • Power Supply Range: 2.5 V to 5.5 V • Educational Toys • Independent Shutdown Control for Each Channel • USB Speakers • Selectable Gain of 6, 12, 18, and 24 dB • Internal Pulldown Resistor On Shutdown Pins • High PSRR: 77 dB at 217 Hz The TPA2012D2 is a stereo, filter-free Class-D audio amplifier available in a WCSP or QFN package. The • Fast Startup Time (3.5 ms) TPA2012D2 only requires two external components • Low Supply Current for operation. • Low Shutdown Current The TPA2012D2 features independent shutdown • Short-Circuit and Thermal Protection controls for each channel. The gain can be selected • Space Saving Packages to 6, 12, 18, or 24 dB utilizing the G0 and G1 gain • 2 mm X 2 mm NanoFree™ WCSP (YZH) select pins. High PSRR and differential architecture (Future Product) provide increased immunity to noise and RF rectifi- • 4 mm X 4 mm Pb-Free Thin QFN (RTJ) cation. In addition to these features, a fast startup with PowerPAD™ time and small package size make the TPA2012D2 an ideal choice for both cellular handsets and PDAs. The TPA2012D2 is capable of driving 1.4 W/Ch at 5 V or 720 mW/Ch at 3.6 V into 8 Ω. The TPA2012D2 is also capable of driving 4 Ω. The TPA2012D2 provides thermal and short circuit protection. 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. NanoFree, PowerPAD are trademarks of Texas Instruments. UNLESS OTHERWISE NOTED this document contains PRO- Copyright © 2004, Texas Instruments Incorporated DUCTION DATA information current as of publication date. Prod- ucts conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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