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TPA005D02DCA Datasheet

  • TPA005D02DCA

  • 2-W STEREO CLASS-D AUDIO POWER AMPLIFIER

  • 381.89KB

  • 25頁

  • TI

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TPA005D02
2-W STEREO CLASS-D AUDIO POWER AMPLIFIER
SLOS227C 鈥?AUGUST 1998 鈥?REVISED MARCH 2000
NOT RECOMMENDED FOR NEW DESIGNS
D
D
D
D
D
D
D
D
D
D
DCA PACKAGE
(TOP VIEW)
Choose TPA2000D2 For Upgrade
Extremely Efficient Class-D Stereo
Operation
Drives L and R Channels
2-W BTL Output into 4
鈩?/div>
5-W Peak Music Power
Fully Specified for 5-V Operation
Low Quiescent Current
Shutdown Control
Thermally-Enhanced PowerPAD鈩?Surface-
Mount Packaging
Thermal and Under-Voltage Protection
description
The TPA005D02 is a monolithic power IC stereo
audio amplifier. It operates in extremely efficient
Class-D operation, using the high switching speed
of power DMOS transistors. These transistors
replicate the analog signal through high-frequen-
cy switching of the output stage. This allows the
TPA005D02 to be configured as a bridge-tied load
(BTL) amplifier.
When configured as a BTL amplifier, the
TPA005D02 is capable of delivering up to 2 W of
continuous average power into a 4-鈩?load at 0.5%
THD+N from a 5-V power supply in the high fidelity
range (20 Hz to 20 kHz).
SHUTDOWN
MUTE
AGND
LINN
LINP
LCOMP
AGND
V
DD
LPV
DD
LOUTP
LOUTP
PGND
PGND
LOUTN
LOUTN
LPV
DD
NC
NC
NC
AGND
PV
DD
VCP
CP3
CP2
1
2
3
4
5
6
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9
10
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48
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COSC
AGND
AGND
RINN
RINP
RCOMP
FAULT0
FAULT1
RPV
DD
ROUTP
ROUTP
PGND
PGND
ROUTN
ROUTN
RPV
DD
PV
DD
NC
NC
V2P5
LSBIAS
PGND
CP4
CP1
NC 鈥?No internal connection
A BTL configuration eliminates the need for external coupling capacitors on the output. A chip-level shutdown
control limits total supply current to 400
碌A(chǔ).
This makes the device ideal for battery-powered applications.
Protection circuitry increases device reliability: thermal and under-voltage shutdown, with two status feedback
terminals for use when any error condition is encountered.
The high switching frequency of the TPA005D02 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 TPA005D02 is offered in the thermally enhanced 48-pin PowerPAD TSSOP surface-mount package
(designator DCA).
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.
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.
Copyright
漏
2000, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

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