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TPA3001D1 데이터시트(PDF) 1 Page - Texas Instruments |
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TPA3001D1 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 28 page www.ti.com FEATURES DESCRIPTION APPLICATIONS 0 10 20 30 40 50 60 70 80 90 0 4 8 12 16 20 PO − Output Power − W EFFICIENCY vs OUTPUT POWER 4 Ω 8 Ω 5 7 9 11 13 15 17 19 21 3.6 4 5 6 7 8 9 10 VCC = 18 V VCC = 15 V VCC = 12 V TA = 25°C, 10% THD Maximum RL − Load Impedance − Ω MAXIMUM OUTPUT POWER vs LOAD IMPEDANCE VCC = 18 V TPA3001D1 SLOS398C – DECEMBER 2002 – REVISED JULY 2006 20-W MONO CLASS-D AUDIO POWER AMPLIFIER • 20 W Into 8- Ω Load From 18-V Supply (10% The TPA3001D1 (sometimes referred to as THD+N) TPA3001) is a 20-W mono bridge-tied load (BTL) class-D audio power amplifier (class-D amp) with • Short Circuit Protection (Short to VCC, Short high efficiency, eliminating the need for heat sinks. to GND, Short Between Outputs) The TPA3001D1 (TPA3001) can drive 4- Ω or 8-Ω • Third-Generation Modulation Technique: speakers with only a ferrite bead filter required to – Replaces Large LC Filter With Small, reduce EMI. Low-Cost Ferrite Bead Filter in Most The gain of the amplifier is controlled by two input Applications terminals, GAIN1 and GAIN0. This allows the – Improved Efficiency amplifier to be configured for a gain of 12, 18, 23.6, and 36 dB. The differential input stage provides high – Improved SNR common mode rejection and improved power supply • Low Supply Current: 8 mA Typ at 12 V rejection. • Shutdown Control: < 1 µA Typ The amplifier also includes depop circuitry to reduce • Space-Saving, Thermally-Enhanced the amount of pop at power-up and when cycling PowerPAD™ Packaging SHUTDOWN. The TPA3001D1 (TPA3001) is available in the 24-pin thermally enhanced TSSOP package (PWP) which • LCD Monitors/TVs eliminates the need for an external heat sink. • Hands-Free Car Kits • Powered Speakers 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. PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2002–2006, 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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