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TPA2029D1 数据表(PDF) 1 Page - Texas Instruments |
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TPA2029D1 数据表(HTML) 1 Page - Texas Instruments |
1 / 17 page IN- IN+ PGND OUT+ OUT- 10 F m ToBattery AGC2 AGC1 EN GPIO MasterEnable TPA2029D1 Digital BaseBand Analog Baseband or CODEC PVdd C 1 F (Optional) IN m TPA2029D1 www.ti.com SLOS661A – DECEMBER 2011 – REVISED APRIL 2012 3-W Mono Class-D Audio Amplifier With SmartGain™ AGC/DRC Check for Samples: TPA2029D1 1 FEATURES DESCRIPTION The TPA2029D1 is a mono, filter-free Class-D audio 2 • Filter-Free Class-D Architecture power amplifier with dynamic range compression • 3 W Into 4 Ω at 5 V (10% THD+N) (DRC) and automatic gain control (AGC). It is • 880 mW Into 8 Ω at 3.6 V (10% THD+N) available in a 1.63 mm x 1.63 mm WCSP package. • Power Supply Range: 2.5 V to 5.5 V The DRC/AGC function in the TPA2029D1 can be • 3 Selectable AGC functions enabled and disabled. The DRC/AGC function is configured to automatically prevent distortion of the • Low Supply Current: 1.8 mA audio signal and enhance quiet passages that are • Low Shutdown Current: 0.2 μA normally not heard. The DRC/AGC is also configured • High PSRR: 80 dB to protect the speaker from damage at high power levels and compress the dynamic range of music to fit • Fast Start-up Time: 5 ms within the dynamic range of the speaker. The • AGC Enable/Disable Function TPA2029D1 is capable of driving 3 W at 5 V into 4 Ω • Limiter Enable/Disable Function load or 880 mW at 3.6 V into 8 Ω load. The device features an enable pin and also provides thermal and • Short-Circuit and Thermal Protection short circuit protection. • Space-Saving Package In addition to these features, a fast start-up time and – 1.63 mm × 1.63 mm WCSP (YZF) small package size make the TPA2029D1 an ideal choice for Notebook PCs, PDAs and other portable APPLICATIONS applications. • Wireless or Cellular Handsets and PDAs TPA2029D1 is available with different default • Portable Navigation Devices AGC/DRC settings for various system requirements. • Portable DVD Player See Table 2 for more detail. • Notebook PCs • Portable Radio • Portable Games • Educational Toys • USB Speakers SIMPLIFIED APPLICATION DIAGRAM 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 SmartGain is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2011–2012, 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. |
类似零件编号 - TPA2029D1 |
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类似说明 - TPA2029D1 |
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