FEATURES
3 W Into 16 Ω From 12-V Supply
Volume Control for Speakers (BTL) and
Headphones (SE)
Differential Inputs
Depop Circuitry
1 μA Shutdown Current
Surface-Mount Package

APPLICATIONS
LCD Monitors and LCD TVs
Multimedia Speakers
Notebook Computers

DESCRIPTION
The TPA6030A4 is designed to drive 3 W into 16-Ω
speakers using a surface-mount package without the need
for an external heatsink. These features make it ideal for
15−17 LCD monitors, small multimedia speakers, and
notebook computers.
To simplify system design, the speaker volume level is
adjusted by applying a dc voltage to the VOLUME
terminal. The delta between speaker volume and
headphone volume can be adjusted by applying a dc
voltage to the SEDIFF terminal. To avoid an unexpected
high volume level through the headphones, a third
terminal, SEMAX, limits the headphone volume level
when a dc voltage is applied. Integrated depop circuitry
and the fully differential design minimize pops, clicks, and
unwanted noise to provide a high level of audio
performance.
The device is available in a 28-pin TSSOP PowerPAD
package. The PowerPAD package is designed to
transfer heat into the ground plane, eliminating the need
for external heat sinks—minimizing solution cost and size.