Datasheet
QFN
HTQFP
Simplified ApplicationCircuit
TV Audio
Processor
RINP
BSRN
BSRP
VCLAMPR
VCLAMPL
PGNDR
PGNDL
VREG
VBYP
ROSC
BSLN
ROUTN
LOUTN
LOUTP
BSLP
ROUTP
TPA3100D2
LINN
RINN
LINP
MUTE
GAIN0
GAIN1
SYNC
FAULT
PVCCR
PVCCL
AVCC
AGND
MSTR/SLV
SHUTDOWN
Shutdown
Control
MuteControl
SyncControl
FaultFlag
10Vto26V
GainSelect
1 Fm
1 Fm
1 Fm
1 Fm
10nF
100kW
0.22 Fm
0.22 Fm
0.22 Fm
0.22 Fm
1 Fm
1 Fm
1 Fm
TPA3100D2
www.ti.com
SLOS469F –OCTOBER 2005–REVISED AUGUST 2010
20-W STEREO CLASS-D AUDIO POWER AMPLIFIER
Check for Samples: TPA3100D2
1
FEATURES
APPLICATIONS
• Televisions
• 20-W/ch into an 8-Ω Load From a 18-V Supply
• 10-W/ch into an 8-Ω Load From a 12-V Supply
DESCRIPTION
• 15-W/ch into an 4-Ω Load From a 12-V Supply
The TPA3100D2 is a 20-W (per channel) efficient,
• Operates from 10 V to 26 V
Class-D audio power amplifier for driving bridged-tied
• 92% Efficient Class-D Operation Eliminates
stereo speakers. The TPA3100D2 can drive stereo
Need for Heat Sinks
speakers as low as 4 Ω. The high efficiency of the
• Four Selectable, Fixed Gain Settings TPA3100D2, 92%, eliminates the need for an
external heat sink when playing music.
• Differential Inputs
The gain of the amplifier is controlled by two gain
• Thermal and Short-Circuit Protection With
select pins. The gain selections are 20, 26, 32,
Auto Recovery Feature
36 dB.
• Clock Output for Synchronization With
The outputs are fully protected against shorts to
Multiple Class-D Devices
GND, V
CC
, and output-to-output shorts with an auto
• Surface Mount 7 mm × 7 mm, 48-pin QFN
recovery feature and monitor output.
Package
• Surface Mount 9 mm × 9 mm, 48-pin HTQFP
Package
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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.
PRODUCTION DATA information is current as of publication date.
Copyright © 2005–2010, 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.