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TPA6030A4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPA6030A4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 30 page TPA6030A4 SLOS395B − DECEMBER 2002 − REVISED JANUARY 2005 3-W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL FEATURES D 3 W Into 16 Ω From 12-V Supply D Volume Control for Speakers (BTL) and Headphones (SE) D Differential Inputs D Depop Circuitry D 1 µA Shutdown Current D Surface-Mount Package APPLICATIONS D LCD Monitors and LCD TVs D Multimedia Speakers D Notebook Computers DESCRIPTION The TPA6030A4 is designed to drive 3 W into 16-Ω speakers using a surface-mount package without the need for an external heatsink. These features make it ideal for 15I−17I LCD monitors, small multimedia speakers, and notebook computers. To simplify system design, the speaker volume level is adjusted by applying a dc voltage to the VOLUME terminal. The delta between speaker volume and headphone volume can be adjusted by applying a dc voltage to the SEDIFF terminal. To avoid an unexpected high volume level through the headphones, a third terminal, SEMAX, limits the headphone volume level when a dc voltage is applied. Integrated depop circuitry and the fully differential design minimize pops, clicks, and unwanted noise to provide a high level of audio performance. The device is available in a 28-pin TSSOP PowerPAD package. The PowerPAD package is designed to transfer heat into the ground plane, eliminating the need for external heat sinks—minimizing solution cost and size. From TV From TV From TV From TV VCC = 12V System Control 47 nF From DAC or Potentiometers (DC Voltage) Shutdown PVcc PVcc R Mux R Mux L Mux L Mux Input Mux Control 32−Step Volume Control VCC/2 + − + − VCC/2 Power Management Vcc Output Mode System Control Gnd 5VREF Rout + Rout − Lout + Lout − To Potentiometers or DAC reference Bypass RIN1+ CLK SEMAX SEDIFF VOLUME SE/BTL IN2/IN1 From CD Player From CD Player From CD Player From CD Player 0.47 µF 220 µF 220 µF 16 Ω 16 Ω 1 kΩ 1 kΩ Control Depop Circuitry RIN2+ RIN1− RIN2− LIN1+ LIN2+ 0.47 µF LIN1− LIN2− 1 µF 10 µF 100 kΩ 100 kΩ 0.47 µF 0.47 µF 0.47 µF 0.47 µF 0.47 µF 0.47 µF 0.47 µF 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 2003, Texas Instruments Incorporated PowerPAD is a trademark of Texas Instruments. |
Número de pieza similar - TPA6030A4_07 |
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Descripción similar - TPA6030A4_07 |
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