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TPA2017D2RTJR Scheda tecnica(PDF) 1 Page - Texas Instruments |
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TPA2017D2RTJR Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 20 page 1 FEATURES DESCRIPTION APPLICATIONS SIMPLIFIED APPLICATION DIAGRAM AVdd INL- INL+ AGND PGND OUTL+ OUTL- PVddR 10 F m ToBattery AGC2 INR- INR+ C 1 F IN m OUTR+ OUTR- AGC1 EN Enable1 Enable2 MasterShutdown TPA2017D2 (optional) Digital BaseBand Analog Baseband or CODEC PVddL TPA2017D2 www.ti.com ..................................................................................................................................................................................................... SLOS584 – APRIL 2009 2.8-W/Ch Stereo Class-D Audio Amplifier with SmartGainTM Dynamic Range Compression and AGC • Filter-Free Class-D Architecture The TPA2017D2 (sometimes referred to as TPA2017) is a stereo, filter-free Class-D audio power • 3 SmartGainTM functions amplifier with SmartGainTM dynamic range – AGC DRC Function compression (DRC), automatic gain control (AGC), – AGC Limiter Function and noise gate. It is available in a 4 mm x 4mm QFN – AGC Noise Gate Function package. • 1.7 W/Ch Into 8 Ω at 5 V (10% THD+N) SmartGainTM functions are configured to automatically prevent distortion of the audio signal • 750 mW/Ch Into 8 Ω at 3.6 V (10% THD+N) and enhance quiet passages that are normally not • 2.8 W/Ch Into 4 Ω at 5 V (10% THD+N) heard. SmartGainTM is a combined AGC DRC and • 1.5 W/Ch Into 4 Ω at 3.6 V (10% THD+N) Limiter that protects the speaker from damage at high • Power Supply Range: 2.5 V to 5.5 V power levels and compress the dynamic range of voice or music to fit within the dynamic range of the • Low Supply Current: 3.5 mA speaker. SmartGainTM DRC, limiter, and noise gate • Low Shutdown Current: 0.2 µA functions can be enabled or disabled. The • High PSRR: 75 dB at 217 Hz TPA2017D2 (TPA2017) is capable of driving 1.7 W/Ch at 4 V or 750mW/Ch at 3.6 V into 8 Ω load or • Fast Start-up Time: 5 ms 2.8 W/Ch at 5 V or 1.5 W/Ch at 3.6 V into 4 Ω. The • Short-Circuit and Thermal Protection device features an enable pin and also provides • Space-Saving Package thermal and short circuit protection. – 4 mm × 4 mm QFN (RTJ) In addition to these features, a fast start-up time and small package size make the TPA2017D2 (TPA2017) an ideal choice for Notebook PCs, PDAs and other portable applications. • Wireless or Cellular Handsets and PDAs • Portable Navigation Devices • Portable DVD Player • Notebook PCs • Portable Radio • Portable Games • Educational Toys • USB Speakers 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. PRODUCTION DATA information is current as of publication date. Copyright © 2009, 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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