TPA3125D2
www.ti.com . SLOS611 – DECEMBER 2008 10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
FEATURES APPLICATIONS 10-W/Ch (stereo SE) into an 8-Ω Load From a
24-V Supply 20-W/Ch (mono BTL) into an 8-Ω Load from a
24-V Supply Operates From 10 V to 26 V Operates From +24 V LCD Backlight Supply Efficient Class-D Operation Eliminates Need
for Heat Sinks Four Selectable, Fixed-Gain Settings Single-Ended Analog Inputs Thermal and Short-Circuit Protection With
Auto Recovery 20-Pin DIP Package Advanced Power-Off Pop Reduction 1 234 Flat Panel Televisions
DLPВ® TVs
CRT TVs
Powered Speakers DESCRIPTION
The TPA3125D2 is a 10-W (per channel), efficient,
class-D audio power amplifier for driving stereo
speakers in a single-ended configuration; or, a mono
speaker in a bridge-tied-load configuration. The
TPA3125D2 can drive stereo speakers as low as 4 Ω.
The efficiency of the TPA3125D2 eliminates the need
for an external heat sink when playing music. The
gain of the amplifier is controlled by two gain select
pins. The gain selections are 20, 26, 32, and 36 dB.
The patented start-up and shutdown sequences
minimize pop noise in the speakers without additional
circuitry.
The thru-hole package allows …
