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TPA3007D1PWRG4 Folha de dados(PDF) 1 Page - Texas Instruments |
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TPA3007D1PWRG4 Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 20 page www.ti.com FEATURES DESCRIPTION APPLICATIONS INN INP GAIN0 SHUTDOWN PGND VCLAMP BSN PVCC OUTN OUTN PGND VCC VREF BYPASS COSC ROSC AGND AGND BSP PVCC OUTP GAIN1 OUTP PGND 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 R3 51 Ω C9 0.22 µF C6 1 µF D1 VCC C12 220 pF C11 1 µF C3 1 µF C4 1 µF VCC L2 (Ferrite Bead) L1 (Ferrite Bead) C15 1 nF C14 1 nF D2 R2 51 Ω C8 0.22 µF C5 1 µF C7 10 µF C10 1 µF C1 0.47 µF C2 0.47 µF IN− IN+ GAIN SELECT GAIN SELECT SHUTDOWN CONTROL U1 TPA3007D1 VCC R1 120 k Ω TPA3007D1 SLOS418A – SEPTEMBER 2003 – REVISED DECEMBER 2004 6.5-W MONO CLASS-D AUDIO POWER AMPLIFIER • 6.5 W Into 8- Ω Load From 12-V Supply The TPA3007D1 is a 6.5-W mono bridge-tied load (10% THD+N) (BTL) class-D audio power amplifier with high ef- ficiency, eliminating the need for heat sinks. The • Short Circuit Protection (Short to VCC, Short TPA3007D1 can drive 8- Ω speakers with only a to GND, Short Between Outputs) ferrite bead filter required to reduce EMI. • Third-Generation Modulation Technique: The gain of the amplifier is controlled by two input – Replaces Large LC Filter With Small, terminals, GAIN1 and GAIN0. This allows the ampli- Low-Cost Ferrite Bead Filter in Most fier to be configured for a gain of 12, 18, 23.6, and 36 Applications dB. The differential input stage provides high com- – Improved Efficiency mon mode rejection and improved power supply rejection. – Improved SNR • Low Supply Current . . . 8 mA Typ at 12 V The amplifier also includes depop circuitry to reduce the amount of pop at power-up and when cycling • Shutdown Control . . . <1 µA Typ SHUTDOWN. The TPA3007D1 is available in the 24-pin TSSOP package (PW) and does not require an external heat • LCD Monitors/TVs sink. • Desktop Replacement Notebook PCs • Hands-Free Car Kits • Powered Speakers Functional Schematic Diagram 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 © 2003–2004, 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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