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TPA6204A1 Datasheet(PDF) 1 Page - Texas Instruments |
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TPA6204A1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 18 page TPA6204A1 SLOS429 − MAY 2004 1.7W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER FEATURES D Designed for Wireless or Cellular Handsets and PDAs D 1.7 W Into 8 Ω From a 5-V Supply at THD = 10% (Typ) D Low Supply Current: 4 mA typ at 5 V D Shutdown Current: 0.01 mA Typ D Fast Startup With Minimal Pop D Only Three External Components − Improved PSRR (−80 dB) and Wide Supply Voltage (2.5 V to 5.5 V) for Direct Battery Operation − Fully Differential Design Reduces RF Rectification − −63 dB CMRR Eliminates Two Input Coupling Capacitors D Pin to Pin Compatible With TPA2005D1 and TPA6211A1 in QFN Package D Available in 3 mm X 3 mm QFN Package (DRB) APPLICATIONS D Ideal for Wireless Handsets D PDAs D Notebook Computers DESCRIPTION The TPA6204A1 is a 1.7-W mono fully-differential amplifier designed to drive a speaker with at least 8- Ω impedance while consuming only 20 mm2 total printed-circuit board (PCB) area in most applications. The device operates from 2.5 V to 5.5 V, drawing only 4 mA of quiescent supply current. The TPA6204A1 is available in the space-saving 3 mm x 3 mm QFN (DRB) package. The TPA6204A1 is ideal for PDA/smart phone applications due to features such as −80-dB supply voltage rejection from 20 Hz to 2 kHz, improved RF rectification immunity, small PCB area, and a fast startup with minimal pop. APPLICATION CIRCUIT _ + VDD VO+ VO− GND 6 5 8 7 To Battery Cs Bias Circuitry IN− IN+ 4 3 2 + − In From DAC SHUTDOWN RI RI 1 C(BYPASS)(1) 100 k Ω 40 k Ω 40 k Ω 8 SHUTDOWN BYPASS IN+ IN− VO− GND VDD VO+ 8-pin QFN (DRB) PACKAGE (TOP VIEW) 7 6 5 1 2 3 4 (1) C(BYPASS) is optional. DGN Package (TOP VIEW) 1 2 3 4 8 7 6 5 SHUTDOWN BYPASS IN+ IN− VO− GND VDD VO+ PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. 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. www.ti.com Copyright 2004, Texas Instruments Incorporated |
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