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TPA3120D2PWP-TPA3120D2PWPR
25-W Stereo Class-D Audio Power Amplifier with SE Outputs (TPA3120) 24-HTSSOP -40 to 85
1FEATURES
DESCRIPTION
APPLICATIONSFm
Mute Control
PVCCL
TPA3120D2
TPA3120D2 APPLICATION CIRCUIT
PVCCR
VCLAMP
GAIN1
BYPASSFm
Fm
0.22Fm
AGND
Left Channel
Right Channel
10 V to 30 V
10 V to 30 V
4-Step Gain
Control
Shutdown
Control
LIN
RIN
BSR
BSL
PGNDR
PGNDL
0.22Fm
Hm
Hm
0.68Fm
470Fm
0.68Fm
Fm
470Fm
GAIN0
AVCC
MUTE
ROUT
LOUT
TPA3120D2SLOS507E–MARCH 2007–REVISED SEPTEMBER 2007
www.ti.com
25-W STEREO CLASS-D AUDIO POWER AMPLIFIER 25-W/ch intoa 4-Ω Load froma 27-V Supply 20-W/ch intoa 4-Ω Load froma 24-V Supply The TPA3120D2isa 25-W (per channel) efficient,
Class-D audio power amplifier for driving stereo•
Operates from10Vto30V speakersina single-ended configurationora mono•
Efficient Class-D Operation Eliminates Need bridge-tied speaker. The TPA3120D2 can drive
for Heat Sinks stereoas lowas4Ω. The efficiencyof the
Four Selectable, Fixed-Gain Settings TPA3120D2 eliminates the need for an external heat
sink when playing music.•
Internal Oscillator (No External Components
Required) The gainof the amplifieris controlled by two gain
select pins. The gain selections are 20, 26, 32,•
Single-Ended Analog Inputs dB.•
Thermal and Short-Circuit Protection WithThe patented start-up and shut-down sequences
Auto Recoveryminimize pop noisein the speakers without additional•
Space-Saving Surface-Mount 24-Pin TSSOP circuitry.
Package Televisions