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TPA2000D2 Datasheet(PDF) 1 Page - Texas Instruments |
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TPA2000D2 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 17 page TPA2000D2 2-W FILTERLESS STEREO CLASS-D AUDIO POWER AMPLIFIER SLOS291B – MARCH 2000 – REVISED APRIL 2000 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Modulation Scheme Optimized to Operate Without a Filter D 2 W Into 3-Ω Speakers (THD+N< 0.4%) D < 0.08% THD+N at 1 W, 1 kHz, Into 4-Ω Load D Extremely Efficient 3rd Generation 5-V Class-D Technology: – Low Supply Current (No Filter) ...8 mA – Low Supply Current (Filter) ...15 mA – Low Shutdown Current ...1 µA – Low Noise Floor ...56 µVRMS – Maximum Efficiency into 3 Ω, 65 – 70% – Maximum Efficiency into 8 Ω, 75 – 85% – 4 Internal Gain Settings ...8 – 23.5 dB – PSRR . . . –77 dB D Integrated Depop Circuitry D Short-Circuit Protection (Short to Battery, Ground, and Load) D –40°C to 85°C Operating Temperature Range description The TPA2000D2 is the third generation 5-V class-D amplifier from Texas Instruments. Improvements to previous generation devices include: lower supply current, lower noise floor, better efficiency, four different gain settings, smaller packaging, and fewer external components. The most significant advancement with this device is its modulation scheme that allows the amplifier to operate without the output filter. Eliminating the output filter saves the user approximately 30% in system cost and 75% in PCB area. The TPA2000D2 is a monolithic class-D power IC stereo audio amplifier, using the high switching speed of power MOSFET transistors. These transistors reproduce the analog signal through high-frequency switching of the output stage. The TPA2000D2 is configured as a bridge-tied load (BTL) amplifier capable of delivering greater than 2 W of continuous average power into a 3- Ω load at less than 1% THD+N from a 5-V power supply in the high fidelity range (20 Hz to 20 kHz). With 1 W being delivered to a 4- Ω load at 1 kHz, the typical THD+N is less than 0.08%. A BTL configuration eliminates the need for external coupling capacitors on the output. Low supply current of 8 mA makes the device ideal for battery-powered applications. Protection circuitry increases device reliability: thermal, over-current, and under-voltage shutdown. Efficient class-D modulation enables the TPA2000D2 to operate at full power into 3- Ω loads at an ambient temperature of 85 °C. AVAILABLE OPTIONS TA PACKAGED DEVICE TA TSSOP (PWP) –40 °C to 85°C TPA2000D2PWP NOTE: The PWP package is available taped and reeled. To order a taped and reeled part, add the suffix R to the part number (e.g., TPA2000D2PWPR). Copyright © 2000, Texas Instruments Incorporated 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. PowerPAD is a trademark of Texas Instruments. 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 PGND LOUTN GAIN0 PVDD LINN AGND COSC RINN PVDD SHUTDOWN ROUTN PGND PGND LOUTP BYPASS PVDD LINP VDD ROSC RINP PVDD GAIN1 ROUTP PGND PWP PACKAGE (TOP VIEW) |
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