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TPA3007D1 Folha de dados(PDF) 1 Page - Texas Instruments |
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TPA3007D1 Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 24 page 1 FEATURES DESCRIPTION APPLICATIONS Functional Schematic Diagram 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 SLOS418D – SEPTEMBER 2003 – REVISED MARCH 2008 www.ti.com 6.5-W MONO CLASS-D AUDIO POWER AMPLIFIER • 6.5 W Into 8-Ω Load From 12-V Supply (10% THD+N) The TPA3007D1 is a 6.5-W mono bridge-tied load (BTL) class-D audio power amplifier with high • Short Circuit Protection (Short to V CC, Short to efficiency, eliminating the need for heat sinks. The GND, Short Between Outputs) TPA3007D1 can drive 8- Ω speakers with only a • Third-Generation Modulation Technique: ferrite bead filter required to reduce EMI. – Replaces Large LC Filter With Small, The gain of the amplifier is controlled by two input Low-Cost Ferrite Bead Filter in Most terminals, GAIN1 and GAIN0. This allows the Applications amplifier to be configured for a gain of 12, 18, 23.6, – Improved Efficiency and 36 dB. The differential input stage provides high common mode rejection and improved power supply – Improved SNR rejection. • Low Supply Current ... mA Typ at 12 V The amplifier also includes "de-pop" circuitry to • Shutdown Control ... < 1µA Typ reduce the amount of pop at power-up and when cycling SHUTDOWN. • LCD Monitors/TVs The TPA3007D1 is available in the 24-pin TSSOP package (PW) and does not require an external heat • Desktop Replacement Notebook PCs sink. • Hands-Free Car Kits • Powered Speakers 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. PRODUCTION DATA information is current as of publication date. Copyright © 2003–2008, 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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