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TPA032D02 Datasheet(PDF) 1 Page - Texas Instruments

Part No. TPA032D02
Description  10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TPA032D02 Datasheet(HTML) 1 Page - Texas Instruments

 
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TPA032D02
10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
SLOS243A – DECEMBER 1999 – REVISED MARCH 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Extremely Efficient Class-D Stereo
Operation
D Drives L and R Channels
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 TPA032D02 is a monolithic power IC stereo
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 TPA032D02 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 TPA032D02 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 TPA032D02 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 Incorporated.
SHUTDOWN
MUTE
AGND
LINN
LINP
LCOMP
AGND
VDD
LPVDD
LOUTP
LOUTP
PGND
PGND
LOUTN
LOUTN
LPVDD
VCCREG
NC
NC
AGND
PVDD
VCP
NC
CP1
COSC
AGND
AGND
RINN
RINP
RCOMP
FAULT0
FAULT1
RPVDD
ROUTP
ROUTP
PGND
PGND
ROUTN
ROUTN
RPVDD
VCC
NC
NC
V2P5
PVDD
PGND
NC
CP2
NC – No internal connection
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DCA PACKAGE
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