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TPA6021A4N Datasheet(PDF) 1 Page - Texas Instruments |
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TPA6021A4N Datasheet(HTML) 1 Page - Texas Instruments |
1 / 26 page www.ti.com FEATURES DESCRIPTION APPLICATIONS -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 30 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 Volume [Pin 18] - V DC VOLUME CONTROL BTL Volume PGND ROUT- PVDD RIN+ RIN- VDD LIN- LIN+ PVDD LOUT- 1 ROUT+ SE/BTL VOLUME AGND NC BYPASS FADE SHUTDOWN LOUT+ PGND 2 3 4 5 6 7 8 9 10 11 12 14 15 16 17 13 18 19 20 Ci VDD VDD Right Positive Differential Input Signal Left Negative Differential Input Signal Right Negative Differential Input Signal Left Positive Differential Input Signal Ci C C i i Power Supply Power Supply VDD 100 kW 100 kW C 330 F O m C 330 F O m 0.47 F m 0.47 F m 0.47 F m 0.47 F m 0.47 F m 0.47 F m 0.47 F m C 10 F S m C 0.47 F (BYP) m In From DAC or Potentiometer (DC Voltage) System Control Right Speaker Left Speaker Headphones 1 kW 1 kW TPA6021A4 SLOS465 – JUNE 2005 2-W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL • 2 W Into 4- Ω Speakers With External Heatsink The TPA6021A4 is a stereo audio power amplifier that drives 2 W/channel of continuous RMS power • DC Volume Control With 2-dB into a 4- Ω load when utilizing a heat sink. Advanced Steps from -40 dB to 20 dB dc volume control minimizes external components – Fade Mode and allows BTL (speaker) volume control and SE – -85-dB Mute Mode (headphone) volume control. • Differential Inputs The 20-pin DIP package allows for the use of a • 1-µA Shutdown Current (Typical) heatsink which provides higher output power. • Headphone Mode To ensure a smooth transition between active and shutdown modes, a fade mode ramps the volume up and down. • LCD Monitors 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 © 2005, 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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