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TPA032D01 Datasheet(PDF) 1 Page - Texas Instruments |
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TPA032D01 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page TPA032D01 10W MONO CLASSD AUDIO POWER AMPLIFIER SLOS282B − DECEMBER 1999 − REVISED JUNE 2000 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Extremely Efficient Class-D Mono Operation D Drives Mono Speaker D 10-W BTL Output Into 4 Ω From 12 V D 32-W Peak Music Power D Fully Specified for 12-V Operation D Low Shutdown Current D Thermally-Enhanced PowerPAD Surface- Mount Packaging D Thermal and Under-Voltage Protection description The TPA032D01 is a monolithic power IC mono audio amplifier that operates in extremely efficient Class-D operation, using the high switching speed of power DMOS transistors to replicate the analog input signal through high-frequency switching of the output stage. This allows the TPA032D01 to be configured as a bridge-tied load (BTL) amplifier capable of delivering up to 10 W of continuous average power into a 4- Ω load at 0.5% THD+N from a 12-V power supply in the high-fidelity audio frequency range (20 Hz to 20 kHz). A BTL configuration eliminates the need for external coupling capacitors on the output. A chip-level shutdown control is provided to limit total supply current to 20 µA, making the device ideal for battery-powered applications. The output stage is compatible with a range of power supplies from 8 V to 14 V. Protection circuitry is included to increase device reliability: thermal and under-voltage shutdown, with a status feedback terminal for use when any error condition is encountered. The high switching frequency of the TPA032D01 allows the output filter to consist of three small capacitors and two small inductors per channel. The high switching frequency also allows for good THD+N performance. The TPA032D01 is offered in the thermally enhanced 48-pin PowerPAD TSSOP surface-mount package (designator DCA). 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. SHUTDOWN MUTE AGND INN INP COMP AGND VDD PVDD OUTP OUTP PGND PGND OUTN OUTN PVDD VCCREG NC NC AGND PVDD VCP NC CP1 COSC AGND AGND AGND AGND AGND FAULT0 FAULT1 PVDD NC NC PGND PGND NC NC PVDD VCC NC NC V2P5 PVDD PGND NC CP2 NC − No internal connection 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 DCA PACKAGE (TOP VIEW) |
Número de pieza similar - TPA032D01_07 |
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Descripción similar - TPA032D01_07 |
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