Texas Instruments TPA3008D2 ユーザーズマニュアル
www.ti.com
FEATURES
DESCRIPTION
APPLICATIONS
10
µ
F
220 nF
220 nF
PVCC
PVCC
220 nF
220 nF
PVCC
PVCC
220 pF
Left Differential
Inputs
Inputs
Right Differential
Inputs
Inputs
Shutdown/Mute
Gain
Control
Control
BSLP
PVCCL
PVCCL
LOUTP
LOUTP
PGNDL
PGNDL
LOUTN
LOUTN
PVCCL
PVCCL
BSLN
TPA3008D2
VCLAMPR
SHUTDOWN
V2P5
RINP
LINN
LINP
AVDDREF
NC
GAIN0
GAIN1
NC
NC
AVDD
AGND
COSC
ROSC
AVCC
VCLAMPL
BSRP
PVCCR
PVCCR
ROUTP
ROUTP
PGNDR
PGNDR
ROUTN
ROUTN
PVCCR
PVCCR
BSRN
RINN
AVCC
AGND
10
µ
F
0.1
µ
F
0.1
µ
F
0.47
µ
F
0.47
µ
F
0.47
µ
F
0.47
µ
F
0.47
µ
F
0.1
µ
F
0.1
µ
F
10
µ
F
10
µ
F
1
µ
F
120 k
Ω
1
µ
F
NC
NC
NC
FAULT
0.1
µ
F
10
µ
F
1
µ
F
Control
†Optional output filter for EMI suppression
†
TPA3008D2
SLOS435A – MAY 2004 – REVISED JULY 2004
10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
•
10-W/Channel Into an 16-
Ω
Load From a
The TPA3008D2 is a 10-W (per channel) efficient,
17-V Supply
class-D audio amplifier for driving bridged-tied stereo
speakers. The TPA3008D2 can drive stereo speakers
speakers. The TPA3008D2 can drive stereo speakers
•
Up to 92% Efficient, Class-D Operation
as low as 8
Ω
. The high efficiency of the TPA3008D2
Eliminates Need For Heatsinks
eliminates the need for external heatsinks when
•
8.5-V to 18-V Single-Supply Operation
playing music.
•
Four Selectable, Fixed Gain Settings
The gain of the amplifier is controlled by two gain
•
Differential Inputs Minimizes Common-Mode
select pins. The gain selections are 15.3, 21.2, 27.2,
Noise
and 31.8 dB.
•
Space-Saving, Thermally Enhanced
The outputs are fully protected against shorts to
PowerPAD™ Packaging
GND, VCC, and output-to-output shorts. A fault ter-
•
Thermal and Short-Circuit Protection
minal allows short-circuit fault reporting and automatic
With Auto Recovery Option
recovery. Thermal protection ensures that the maxi-
mum junction temperature is not exceeded.
mum junction temperature is not exceeded.
•
Pinout Similar to TPA3000D Family
•
LCD Monitors and TVs
•
All-In-One PCs
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.
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2004, 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.
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.